URI: 
  TEXT View Source
       
       # MAXTECH CORPORATION
       
          SR 288HV (SF1128HV/S1)
       
          Card Type              Modem/Fax card                          
          Chip Set               Unidentified                            
          I/O Options            Line out(RJ-11), line in(RJ-11),        
                                 speaker, microphone                     
          Maximum Modem Rate     28.8Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Modulation        Bell 103/212A                           
          Protocol                                                       
                                 ITU-T V34, V.32bis, V.32, V.22bis,      
                                 V.22, V.21                              
          Fax Modulation         ITU-T V.17, V.27ter, V.29, V.21         
          Protocol               
          Error                  MNP5, V.42, V.42bis                     
          Correction/Compression 
          Fax Class              Class I & II                            
          Data Bus               16-bit ISA                              
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function       | Label  |   Function    |   Label    |
          |------------------------------------------------------------|
          | RJ-11 line out            |   CN1   | Speaker out   | CN3  |
          |---------------------------+---------+---------------+------|
          | RJ-11 line in             |   CN2   | Microphone in | CN4  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SUPPORTED COMMAND SET                    |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | AT, +++, A/                                                |
          |------------------------------------------------------------|
          | A, E, H, M, O, P, T, V, X, Y, Z                            |
          |------------------------------------------------------------|
          | &F, &V, &W, &Y, &Z                                         |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \Q                                                         |
          |------------------------------------------------------------|
          | %A                                                         |
          |------------------------------------------------------------|
          |                        S Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S18, S25, S26, S38                                         |
          |------------------------------------------------------------|
          |                       Voice Commands                       |
          |------------------------------------------------------------|
          | #CC, #VA=m, #VAA=n, #VB=f1,t, #VBL=n, #VBO=n, #VBS=n, #VC, |
          | #VCH, #VDR=e,r, #VDO, #VD1, #VF=n                          |
          |------------------------------------------------------------|
          | #VG=n, #VH=n, #VL, #VM=n, #VNH=n, #VRA=n, #VRN=n, #VSC=n,  |
          | #VSC=n, #VSC=n, #VSD=0,1,2,                                |
          |------------------------------------------------------------|
          | #VSI=n, #VSM=n, #VSn, #VSP=n, #VSR=n, #VSS=n, #VST, #VSV,  |
          | #VTI=n, #VTn, #VTR=n, #VZ=n                                |
          |------------------------------------------------------------|
          |                                                            |
          |------------------------------------------------------------|
          | Note: See MHI Help File for full command documentation.    |
          +------------------------------------------------------------+
       
                                                                        
       
                            PROPRIETARY AT COMMAND SET
       
          +------------------------------------------------------------+
          |                 AUTO-FALLFORWARD/FALLBACK                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables/disables auto fallforward/fallback  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &A0      | Auto fallforward/fallback disabled          |
          |--------------+---------------------------------------------|
          |     &A1      | Auto fallforward/fallback enabled           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COMMUNICATIONS MODE                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects communications mode                 |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |     &M0      | Asynchronous mode                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DATA CARRIER DETECT (DCD)                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the DCD option is enabled   |
          |              | or disabled                                 |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &C0      | DCD enabled                                 |
          |--------------+---------------------------------------------|
          |    í &C1     | DCD enabled after carrier signal detected   |
          |--------------+---------------------------------------------|
          |     &C2      | DCD enabled. Toggle on disconnect           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects data compression                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %C0      | Data compression disabled                   |
          |--------------+---------------------------------------------|
          |     %C1      | V.42bis/MNP5 enabled                        |
          |--------------+---------------------------------------------|
          |     %C2      | V.42bis transmit enabled                    |
          |--------------+---------------------------------------------|
          |     %C3      | V.42bis receive enabled                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DATA SET READY (DSR)                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DSR options                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &S0      | DSR forced high. Toggle off on disconnect   |
          |--------------+---------------------------------------------|
          |     &S1      | DSR high in on-line mode. Off in command    |
          |              | mode                                        |
          |--------------+---------------------------------------------|
          |     &S2      | DSR follows Carrier Detect                  |
          |--------------+---------------------------------------------|
          |     &S3      | DSR forced high                             |
          +------------------------------------------------------------+
       
                                                                        
       
          +------------------------------------------------------------+
          |                 DATA TERMINAL READY (DTR)                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects modem response to DTR               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     í&D0     | DTR override                                |
          |--------------+---------------------------------------------|
          |     &D1      | DTR toggle causes online command mode       |
          |--------------+---------------------------------------------|
          |     &D2      | Normal DTR operations                       |
          |--------------+---------------------------------------------|
          |     &D3      | Resets on receipt of DTR                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            DIAL                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] D<#> [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Dials telephone number according to any     |
          |              | modifiers included in the string            |
          |--------------+---------------------------------------------|
          | Note:        | Any combination of modifiers can be used to |
          |              | produce the desired dial functions in       |
          |              | sequence.                                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      DP      | Pulse dialing enabled                       |
          |--------------+---------------------------------------------|
          |      DL      | Re-dial last number.                        |
          |--------------+---------------------------------------------|
          |     DS=n     | Dial stored telephone number n              |
          |--------------+---------------------------------------------|
          |      DT      | Tone dialing enabled/Pulse dialing disabled |
          |--------------+---------------------------------------------|
          |      DW      | Dialing resumed following dial tone         |
          |              | detection                                   |
          |--------------+---------------------------------------------|
          |      D,      | Dialing paused for amount of time specified |
          |              | in S8 register                              |
          |--------------+---------------------------------------------|
          |      D!      | Flash function initiated. Modem commanded   |
          |              | to go off-hook for specified time before    |
          |              | returning on-hook.                          |
          |--------------+---------------------------------------------|
          |      D@      | Wait for Quite Answer function enabled.     |
          |              | Modem waits until a "quiet answer," a       |
          |              | ring-back signal followed by silence up to  |
          |              | the time specified in S7, is received prior |
          |              | to executing the rest of the dial string.   |
          |--------------+---------------------------------------------|
          |      D;      | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       HANDSHAKE MODE                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Hn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects data handshake mode                 |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |    í &H0     | V.34 auto handshake mode                    |
          |--------------+---------------------------------------------|
          |     &H1      | V.34 handshake mode                         |
          |--------------+---------------------------------------------|
          |     &H2      | V.32bis auto handshake mode                 |
          |--------------+---------------------------------------------|
          |     &H3      | V.32bis handshake mode                      |
          |--------------+---------------------------------------------|
          |     &H4      | V.32 auto handshake mode                    |
          |--------------+---------------------------------------------|
          |     &H5      | V.32 handshake mode                         |
          |--------------+---------------------------------------------|
          |     &H6      | V.22bis hand shake mode                     |
          |--------------+---------------------------------------------|
          |     &H7      | V.22 handshake mode                         |
          |--------------+---------------------------------------------|
          |     &H8      | Bell 212A handshake mode                    |
          |--------------+---------------------------------------------|
          |     &H9      | Bell 103 handshake mode                     |
          |--------------+---------------------------------------------|
          |     &H10     | V.21 handshake mode                         |
          +------------------------------------------------------------+
       
                                                                        
       
          +------------------------------------------------------------+
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Reports four digit product code             |
          |--------------+---------------------------------------------|
          |      I1      | Display 000                                 |
          |--------------+---------------------------------------------|
          |      I2      | Reports internal memory test                |
          |--------------+---------------------------------------------|
          |      I3      | Reports firmware ID                         |
          |--------------+---------------------------------------------|
          |      I4      | Reports configuration settings              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        RESULT CODES                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Qn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables modem to send result codes to the   |
          |              | DTE                                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      Q0      | Result code sending enabled                 |
          |--------------+---------------------------------------------|
          |      Q1      | Result code sending disabled                |
          |--------------+---------------------------------------------|
          |      Q2      | Result code sending enabled in originate    |
          |              | mode                                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          RTS/CTS                           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Rn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects RTS/CTS options                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &R0      | CTS high in command mode                    |
          |--------------+---------------------------------------------|
          |    í &R1     | CTS follows flow control requirements       |
          |--------------+---------------------------------------------|
          |     &R2      | CTS high when modem is ready to receive a   |
          |              | signal from the DTE                         |
          |--------------+---------------------------------------------|
          |     &R3      | CTS forced high                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       SPEAKER VOLUME                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Ln [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Controls speaker volume                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      L0      | Low volume setting                          |
          |--------------+---------------------------------------------|
          |      L1      | Low volume setting                          |
          |--------------+---------------------------------------------|
          |     í L2     | Medium volume setting                       |
          |--------------+---------------------------------------------|
          |      L3      | Highest volume setting                      |
          +------------------------------------------------------------+
       
                                                                        
       
          +------------------------------------------------------------+
          |                         TEST MODES                         |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Tn                               |
          |--------------+---------------------------------------------|
          | Description: | Selects test options                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &T0      | End current test                            |
          |--------------+---------------------------------------------|
          |     &T1      | Begin local analog loopback test            |
          |--------------+---------------------------------------------|
          |     &T3      | Begin local digital loopback                |
          |--------------+---------------------------------------------|
          |     &T4      | Grant remote digital loopback request       |
          |--------------+---------------------------------------------|
          |     &T5      | Deny remote digital loopback request        |
          |--------------+---------------------------------------------|
          |     &T6      | Request remote digital loopback             |
          |--------------+---------------------------------------------|
          |     &T7      | Request remote digital loopback and         |
          |              | self-test                                   |
          |--------------+---------------------------------------------|
          |     &T8      | Begin local analog loopback and self-test   |
          |--------------+---------------------------------------------|
          |     &T9      | Complete self diagnostic                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       TRELLIS CODING                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables/disables trellis coding             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     í&U0     | V.32 trellis coding enabled                 |
          |--------------+---------------------------------------------|
          |     &U1      | V.32 trellis coding disabled                |
          +------------------------------------------------------------+
       
                             EXTENDED AT COMMAND SET
       
          +------------------------------------------------------------+
          |          AUTO-RELIABLE TIME BUFFER CONFIGURATION           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the handling of incoming data      |
          |              | during auto-reliable time period            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \C0      | Data is discarded                           |
          |--------------+---------------------------------------------|
          |     \C1      | Data is buffered for 4 seconds, until       |
          |              | receiving 200 characters or until packet is |
          |              | detected                                    |
          |--------------+---------------------------------------------|
          |    í \C2     | Data is discarded; modem returns to normal  |
          |              | mode on receiving auto-reliable fallback    |
          |              | character.                                  |
          |--------------+---------------------------------------------|
          |     \C3      | Data is buffered with ITU-T V.14            |
          |--------------+---------------------------------------------|
          |     \C4      | Data is not buffered with ITU-T V.14        |
          +------------------------------------------------------------+
       
                                                                        
       
          +------------------------------------------------------------+
          |                         BREAK TYPE                         |
          |------------------------------------------------------------|
          | Type:            | Configuration                           |
          |------------------+-----------------------------------------|
          | Format:          | AT [cmds] \Kn [cmds]                    |
          |------------------+-----------------------------------------|
          | Description:     | Configures action of break signal       |
          |------------------------------------------------------------|
          |  Command   |                Break from DTE                 |
          |------------+-----------------------------------------------|
          |    \K0     | Expedite break, destroy buffered data         |
          |------------+-----------------------------------------------|
          |    \K1     | Expedite break, save buffered data            |
          |------------+-----------------------------------------------|
          |    \K2     | Timed break, save buffered data               |
          |------------+-----------------------------------------------|
          |    \K3     | Ignore breaks sent from DTE                   |
          |------------+-----------------------------------------------|
          |    \K4     | Timed break until no break character; save    |
          |            | buffered data                                 |
          |------------+-----------------------------------------------|
          |    \K5     | Timed break until no break character; save    |
          |            | buffered data                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CONNECT MODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the type of connection the modem   |
          |              | will operate in                             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \N0      | Normal mode enabled                         |
          |--------------+---------------------------------------------|
          |     \N1      | Direct mode enabled                         |
          |--------------+---------------------------------------------|
          |     \N2      | V.42/MNP mode enabled                       |
          |--------------+---------------------------------------------|
          |     \N3      | MNP or Normal mode enabled                  |
          |--------------+---------------------------------------------|
          |     \N4      | V.42 mode enabled                           |
          |--------------+---------------------------------------------|
          |     \N5      | V.42 or MNP reliable mode enabled           |
          |--------------+---------------------------------------------|
          |     \N6      | Simulated controlled carrier (half-duplex)  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            DATA SET READY (DSR) DURING LOOPBACK            |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables/disables DSR during loopback test   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %D0      | DSR forced high during loopback test        |
          |--------------+---------------------------------------------|
          |     %D1      | DSR off during loopback test                |
          +------------------------------------------------------------+
       
                                                                        
       
          +------------------------------------------------------------+
          |                         DTE SPEED                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] \Tn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DTE speed during data transfer      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \T0      | Auto-baud speed                             |
          |--------------+---------------------------------------------|
          |    í \T1     | Last AT command speed                       |
          |--------------+---------------------------------------------|
          |     \T2      | 300bps                                      |
          |--------------+---------------------------------------------|
          |     \T3      | 1200bps                                     |
          |--------------+---------------------------------------------|
          |     \T4      | 2400bps                                     |
          |--------------+---------------------------------------------|
          |     \T5      | 4800bps                                     |
          |--------------+---------------------------------------------|
          |     \T6      | 7200bps                                     |
          |--------------+---------------------------------------------|
          |     \T7      | 9600bps                                     |
          |--------------+---------------------------------------------|
          |     \T8      | 12Kbps                                      |
          |--------------+---------------------------------------------|
          |     \T9      | 14.4Kbps                                    |
          |--------------+---------------------------------------------|
          |     \T10     | 16.8Kbps                                    |
          |--------------+---------------------------------------------|
          |     \T11     | 19.2Kbps                                    |
          |--------------+---------------------------------------------|
          |     \T12     | 21.6bps                                     |
          |--------------+---------------------------------------------|
          |     \T13     | 24.0Kbps                                    |
          |--------------+---------------------------------------------|
          |     \T14     | 26.4Kbps                                    |
          |--------------+---------------------------------------------|
          |     \T15     | 28.8Kbps                                    |
          |--------------+---------------------------------------------|
          |     \T16     | 38.4Kbps                                    |
          |--------------+---------------------------------------------|
          |     \T17     | 57.6Kbps                                    |
          |--------------+---------------------------------------------|
          |     \T18     | 76.8Kbps                                    |
          |--------------+---------------------------------------------|
          |     \T19     | 115.2Kbps                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  DTR TRANSITION AUTODIAL                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Zn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DTR off/on autodial options         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %Z0      | DTR off-to-on autodial disabled             |
          |--------------+---------------------------------------------|
          |    %Z1=n     | Dial telephone number n (1-3) of stored     |
          |              | profiles after off-to-on transition         |
          |--------------+---------------------------------------------|
          |     %Z2      | Modem goes off hook and attempts to         |
          |              | handshake after off-to-on DTR transition    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   EXTENDED RESULT CODES                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects extended result codes               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \V0      | Reports DCE speed; extended result codes    |
          |              | disabled                                    |
          |--------------+---------------------------------------------|
          |     \V1      | Reports DCE speed; extended result codes    |
          |              | enabled                                     |
          |--------------+---------------------------------------------|
          |     \V2      | Reports DTE speed; extended result codes    |
          |              | and /REL enabled                            |
          |--------------+---------------------------------------------|
          |    í \V3     | Reports DTE speed; extended result codes    |
          |              | disabled                                    |
          +------------------------------------------------------------+
       
                                                                        
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DCE flow control                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \G0     | DCE flow control disabled                   |
          |--------------+---------------------------------------------|
          |     \G1      | DCE flow control enabled                    |
          |--------------+---------------------------------------------|
          |     \G2      | DCE flow control enabled (Transmit)         |
          |--------------+---------------------------------------------|
          |     \G3      | DCE flow control with passthrough enabled   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                LINE SIGNAL QUALITY RETRAIN                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Q [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables/disables retrain in relation to     |
          |              | signal quality                              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %Q0      | Retrain disabled on poor signal quality     |
          |--------------+---------------------------------------------|
          |     %Q1      | Retrain enabled; disconnect if unsuccessful |
          |              | after three attempts                        |
          |--------------+---------------------------------------------|
          |     %Q2      | Retrain enabled; retrain until line quality |
          |              | is good                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            MAXIMUM BLOCK SIZE FOR TRANSMISSION             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum transmittable block size   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \B0      | 6N1 character length                        |
          |--------------+---------------------------------------------|
          |     \B1      | 7N1 character length                        |
          |--------------+---------------------------------------------|
          |    í \B2     | 7P1 character length                        |
          |--------------+---------------------------------------------|
          |     \B3      | 8N1 character length                        |
          |--------------+---------------------------------------------|
          |     \B4      | 7P2 character length                        |
          |--------------+---------------------------------------------|
          |     \B5      | 8P1 character length                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      ORIGINATE/ANSWER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %On [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects originate or answer mode            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %O0      | Normal answer mode enabled                  |
          |--------------+---------------------------------------------|
          |     %O1      | Originate call in answer mode               |
          |--------------+---------------------------------------------|
          |     %O2      | Answer call in originate mode               |
          +------------------------------------------------------------+
       
                                                                        
       
          +------------------------------------------------------------+
          |                           PARITY                           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Pn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets parity options                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \P0      | Even parity                                 |
          |--------------+---------------------------------------------|
          |     \P1      | Space parity                                |
          |--------------+---------------------------------------------|
          |     \P2      | Odd parity                                  |
          |--------------+---------------------------------------------|
          |     \P3      | Mark parity                                 |
          |--------------+---------------------------------------------|
          |    í \P4     | Automatic parity form last AT command       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      RESULT CODE RATE                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] %Rn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects result code sending speed           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %R0      | Auto-baud result code                       |
          |--------------+---------------------------------------------|
          |    í %R1     | Last connect speed                          |
          |--------------+---------------------------------------------|
          |     %R2      | 300bps                                      |
          |--------------+---------------------------------------------|
          |     %R3      | 1200bps                                     |
          |--------------+---------------------------------------------|
          |     %R4      | 2400bps                                     |
          |--------------+---------------------------------------------|
          |     %R5      | 4800bps                                     |
          |--------------+---------------------------------------------|
          |     %R6      | 7200bps                                     |
          |--------------+---------------------------------------------|
          |     %R7      | 9600bps                                     |
          |--------------+---------------------------------------------|
          |     %R8      | 12Kbps                                      |
          |--------------+---------------------------------------------|
          |     %R9      | 14.4Kbps                                    |
          |--------------+---------------------------------------------|
          |     %R10     | 16.8Kbps                                    |
          |--------------+---------------------------------------------|
          |     %R11     | 19.2Kbps                                    |
          |--------------+---------------------------------------------|
          |     %R12     | 21.6bps                                     |
          |--------------+---------------------------------------------|
          |     %R13     | 24.0Kbps                                    |
          |--------------+---------------------------------------------|
          |     %R14     | 26.4Kbps                                    |
          |--------------+---------------------------------------------|
          |     %R15     | 28.8Kbps                                    |
          |--------------+---------------------------------------------|
          |     %R16     | 38.4Kbps                                    |
          |--------------+---------------------------------------------|
          |     %R17     | 57.6Kbps                                    |
          |--------------+---------------------------------------------|
          |     %R18     | 76.8Kbps                                    |
          |--------------+---------------------------------------------|
          |     %R19     | 115.2Kbps                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      SPEED CORRECTION                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects over-speed correction protocols     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \A0     | 1.25% over-speed correction during V.14     |
          |              | connection                                  |
          |--------------+---------------------------------------------|
          |     \A1      | 2.5% over-speed correction during V.14      |
          |              | connection                                  |
          +------------------------------------------------------------+
       
                                                                        
       
                               S(status) REGISTERS
       
          +------------------------------------------------------------+
          |                   RETRANSMISSION COUNTER                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S70=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Determines the number of retransmissions.   |
          |              | Default=100                                 |
          +------------------------------------------------------------+