ACER, INC. ========== FM56-EX Card Type Modem/Fax (asynchronous) Chip Set Unidentified I/O Options Serial port, microphone in, speaker out, line in, line out Maximum Modem Rate 56Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103A/212A Protocol ITU-T V.21, V.22, V.23, V.22bis, V.32, V.32bis, V.34, K56flex Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29 Protocol Error ITU-T V.42, V.42bis, MNP5 Correction/Compression Fax Class Class I & II Data Bus External +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | AC power connector | CN1 | Speaker | CN4 | | | | mini-phone | | | | | out | | |----------------------------+---------+---------------+-----| | Serial DB-9 female | CN2 | Line out | CN5 | | connector | | | | |----------------------------+---------+---------------+-----| | Microphone mini-phone in | CN3 | Line in | CN6 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Setting | Label | Position | |-----------------------------------------+-------+----------| | Power on | SW1 | On | |-----------------------------------------+-------+----------| | Power off | SW1 | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |-----+--------------+----------+----------------------------| | AA | Unidentified | On | Auto-answer enabled | |-----+--------------+----------+----------------------------| | AA | Unidentified | Off | Auto-answer disabled | |-----+--------------+----------+----------------------------| | AA | Unidentified | Blinking | Phone is ringing | |-----+--------------+----------+----------------------------| | CD | Unidentified | On | Carrier signal detected | |-----+--------------+----------+----------------------------| | CD | Unidentified | Off | Carrier signal not | | | | | detected | |-----+--------------+----------+----------------------------| | HS | Unidentified | On | DTE-to-modem speed is | | | | | 4,800bps or above | |-----+--------------+----------+----------------------------| | HS | Unidentified | Off | DTE-to-modem speed is | | | | | below 4,800bps | |-----+--------------+----------+----------------------------| | MR | Unidentified | On | Modem is receiving power | |-----+--------------+----------+----------------------------| | MR | Unidentified | Off | Modem is not receiving | | | | | power | |-----+--------------+----------+----------------------------| | MR | Unidentified | Blinking | Test mode enabled | |-----+--------------+----------+----------------------------| | OH | Unidentified | On | Modem is picking up or | | | | | answering telephone line | |-----+--------------+----------+----------------------------| | OH | Unidentified | Off | Modem is not picking up or | | | | | answering telephone line | |-----+--------------+----------+----------------------------| | RD | Unidentified | Blinking | Modem is receiving data | |-----+--------------+----------+----------------------------| | RD | Unidentified | Off | Modem is not receiving | | | | | data | |-----+--------------+----------+----------------------------| | SD | Unidentified | Blinking | Modem is transmitting data | |-----+--------------+----------+----------------------------| | SD | Unidentified | Off | Modem is not transmitting | | | | | data | |-----+--------------+----------+----------------------------| | TR | Unidentified | On | Modem is receiving DTR | | | | | signal from the local DTE | |-----+--------------+----------+----------------------------| | TR | Unidentified | Off | Modem is not receiving DTR | | | | | signal from the local DTE | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED COMMAND SET | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | AT, '+++', A/ | |------------------------------------------------------------| | A, B, E, H, M, O, P, Q, S, T, V, X, Y, Z | |------------------------------------------------------------| | &C, &M, &P, &Q, &R, &W, &Y, &Z | |------------------------------------------------------------| | Extended AT Commands | |------------------------------------------------------------| | \A, \G, \K, \N, \V, | |------------------------------------------------------------| | %C, %E, %L, %Q, %7, %8 | |------------------------------------------------------------| | S Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S16, S18, S21, S24, S25, S29, S30, S31, | |------------------------------------------------------------| | S32, S33, S38, S91, S92, S201 | |------------------------------------------------------------| | Special Commands | |------------------------------------------------------------| | +MS?, +H, "V, -K, _SEC, #CLS, #MFR, #MDL, #REV, #VBQ, #VCI | |------------------------------------------------------------| | #VSD, #VRX, #VSK | |------------------------------------------------------------| | Note: See MHI Help File for full command documentation. | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | AUTO-MODE DETECTION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Nn [cmds] | |--------------+---------------------------------------------| | Description: | Selects various options for the automatic | | | detection and negotiation of protocols | | | during the handshake process if the modem | | | is communicating with a remote modem of | | | dissimilar speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | N0 | Auto-mode detection disabled | |--------------+---------------------------------------------| | N1 | Auto-mode detection enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONFIGURATION PROFILES | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &V [cmds] | |--------------+---------------------------------------------| | Description: | Displays active and stored configuration | | | profiles | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &V1 | Display last connection status | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA SET READY (DSR) | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Sn [cmds] | |--------------+---------------------------------------------| | Description: | Selects DSR options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &S0 | DSR forced high | |--------------+---------------------------------------------| | &S1 | DSR high only while modem is connected | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA TERMINAL READY (DTR) | |------------------------------------------------------------| | Type: | Configuration | |---------------+--------------------------------------------| | Format: | AT [cmds] &Dn [cmds] | |---------------+--------------------------------------------| | Description: | Selects modem response to DTR | |------------------------------------------------------------| | Note: The action each variant of &D causes depends | | on the setting of &Q | |------------------------------------------------------------| | &Q Setting | &D0 | &D1 | &D2 | |------------------+-------------+-------------+-------------| | &Q0, &Q5, &Q6 | NONE | Command 3 | Command 3 | |------------------+-------------+-------------+-------------| | &Q1, &Q4 | Command 1 | Command 3 | Command 3 | |------------------+-------------+-------------+-------------| | &Q2, &Q3 | Command 2 | Command 2 | Command 2 | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | Command 0 | Modem does not respond to DTR | |---------------+--------------------------------------------| | Command 1 | Modem goes to command mode after DTR goes | | | is off | |---------------+--------------------------------------------| | Command 2 | Modem goes to command mode and disconnects | | | (hangs up) after DTR goes off; Auto-Answer | | | is disabled. | |---------------+--------------------------------------------| | Command 3 | Modem is initialized after DTR goes off | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | 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* | Dials the star digit on tone dialing mode | |--------------+---------------------------------------------| | D# | Dials the gate digit on tone dialing mode | |--------------+---------------------------------------------| | D! | Flash function initiated. Modem commanded | | | to go off-hook for specified time before | | | returning on-hook. | |--------------+---------------------------------------------| | D; | Modem returned to idle state after dialing. | | | The semicolon can only be placed at the end | | | of the dial command. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FACTORY DEFAULT PROFILE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &F [cmds] | |--------------+---------------------------------------------| | Description: | Sets values in active profile to values | | | found in the default profile | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &F0 | Restore factory configuration 0 | |--------------+---------------------------------------------| | &F1 | Restore factory configuration 1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Kn [cmds] | |--------------+---------------------------------------------| | Description: | Enables flow control options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &K0 | Flow control disabled | |--------------+---------------------------------------------| | &K3 | RTS to CTS flow control enabled | |--------------+---------------------------------------------| | &K4 | XON/XOFF flow control enabled | |--------------+---------------------------------------------| | &K5 | Transparent XON/XOFF flow control enabled | |--------------+---------------------------------------------| | &K6 | RTS/CTS & XON/XOFF flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | GUARD TONE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Gn [cmds] | |--------------+---------------------------------------------| | Description: | Commands the modem to transmit a guard tone | | | in V.22/V.22bis | |------------------------------------------------------------| | Note: Used primarily for international data | | transmission | |------------------------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &G0 | Guard tone disabled | |--------------+---------------------------------------------| | &G1 | Guard tone disabled | |--------------+---------------------------------------------| | &G2 | 1800Hz guard tone enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP10 - FALLBACK | |------------------------------------------------------------| | Type: | Configuration | |---------+--------------------------------------------------| | Format: | AT [cmds] -Qn [cmds] | |---------+--------------------------------------------------| | Note: | This command is included only for compatibility | | | and performs no function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP10 - LINK NEGOTIATION | |------------------------------------------------------------| | Type: | Configuration | |---------+--------------------------------------------------| | Format: | AT [cmds] *Hn [cmds] | |---------+--------------------------------------------------| | Note: | Included only for compatibility and performs no | | | function | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP10 - POWER LEVEL ADJUST | |------------------------------------------------------------| | Type: | Configuration | |---------+--------------------------------------------------| | Format: | AT [cmds] )Mn [cmds] | |---------+--------------------------------------------------| | Note: | This command is included only for compatibility | | | and performs no function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PLUG AND PLAY SERIAL NUMBER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %7 [cmds] | |--------------+---------------------------------------------| | Description: | Sets and stores plug and play serial | | | number. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PLUG AND PLAY VENDOR ID AND PRODUCT NUMBER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %8 [cmds] | |--------------+---------------------------------------------| | Description: | Sets and stores plug and play vendor ID and | | | product number. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports product code | |--------------+---------------------------------------------| | I1 | Reports ROM checksum (normally "255") | |--------------+---------------------------------------------| | I2 | Reports "OK" | |--------------+---------------------------------------------| | I3 | Reports firmware revision (VX.XXX) | |--------------+---------------------------------------------| | I4 | Reports OEM defined identifier string | |--------------+---------------------------------------------| | I5 | Reports country code parameter | |--------------+---------------------------------------------| | I6 | Reports modem data pump model and internal | | | code revision | |--------------+---------------------------------------------| | I7 | Reports "255" | +------------------------------------------------------------+ +------------------------------------------------------------+ | SPEAKER VOLUME | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Ln [cmds] | |--------------+---------------------------------------------| | Description: | Controls speaker volume | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | L0 | Low volume setting | |--------------+---------------------------------------------| | L1 | Low volume setting | |--------------+---------------------------------------------| | 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 | |--------------+---------------------------------------------| | &T2 | Returns ERROR | |--------------+---------------------------------------------| | &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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | TONE GENERATOR LENGTH | |------------------------------------------------------------| | Format | AT [cmds] #VBT=n [cmds] | |--------------+---------------------------------------------| | Default: | 10 | |--------------+---------------------------------------------| | Range: | 0 - 40 | |--------------+---------------------------------------------| | Unit: | 0.1 second | |--------------+---------------------------------------------| | Description: | Sets the length of DTMF tones that are | | | generated. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | #VBT0 | Disables the tone generation capability | |--------------+---------------------------------------------| | #VBT1 | Sets tone duration time to .1 second | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRANSMISSION LEVEL - CELLULAR | |------------------------------------------------------------| | Type: | Configuration | |---------+--------------------------------------------------| | Format: | AT [cmds] @Mn [cmds] | |---------+--------------------------------------------------| | Range: | 11-31 | |---------+--------------------------------------------------| | Unit: | -1dBm | |---------+--------------------------------------------------| | Note: | This command is included only for compatibility | | | and performs no function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 - COMPROMISE EQUALIZER | |------------------------------------------------------------| | Type: | Configuration | |---------+--------------------------------------------------| | Format: | AT [cmds] :En [cmds] | |---------+--------------------------------------------------| | Note: | This command is included only for compatibility | | | and performs no function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 OR V.34 MODULATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] "Vn [cmds] | |--------------+---------------------------------------------| | Description: | Controls modulation for V.32 or V.34 | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | "V.32" | V.32 or V.32bis modulation | |--------------+---------------------------------------------| | "V.34"* | V.34 modulation | +------------------------------------------------------------+ +------------------------------------------------------------+ | VOICE - DISPLAY COMPRESSION TYPE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] #VCI? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the type of compression currently | | | in use. | +------------------------------------------------------------+ +------------------------------------------------------------+ | VOICE - LOCAL SERIAL PORT SPEED | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] #BDR=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the speed of the local serial port | | | when in voice mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | #BDR=0 | Autobank selected | |--------------+---------------------------------------------| | #BDR=1 | Set speed to 2400bps | |--------------+---------------------------------------------| | #BDR=2 | Set speed to 4800bps | |--------------+---------------------------------------------| | #BDR=4 | Set speed to 9600bps | |--------------+---------------------------------------------| | #BDR=6 | Set speed to 14.4Kbps | |--------------+---------------------------------------------| | #BDR=8 | Set speed to 19.2Kbps | |--------------+---------------------------------------------| | #BDR=12 | Set speed to 28.8Kbps | |--------------+---------------------------------------------| | #BDR=16 | Set speed to 38.4Kbps | |--------------+---------------------------------------------| | #BDR=24 | Set speed to 57.6Kbps | +------------------------------------------------------------+ +------------------------------------------------------------+ | VOICE BUFFER SPACE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] #VSK=n [cmds] | |--------------+---------------------------------------------| | Default: | 255 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Unit: | 1 byte | |--------------+---------------------------------------------| | Description: | Sets the amount of data the modem can send | | | into the buffer after the XOFF signal is | | | sent. | +------------------------------------------------------------+ +------------------------------------------------------------+ | VOICE DEVICE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] #VLS=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects the I/O device for the DSP chip. | |--------------+---------------------------------------------| | Note: | This modem may not support all options | | | listed below. The #VLS? Command will | | | display the available options. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i #VLS=0 | Telephone line and handset used for voice | | | I/O. | |--------------+---------------------------------------------| | #VLS=1 | Telephone handset used for voice I/O. | |--------------+---------------------------------------------| | #VLS=2 | Internal speaker only used for voice I/O. | |--------------+---------------------------------------------| | #VLS=3 | External microphone only used for voice | | | I/O. | |--------------+---------------------------------------------| | #VLS=4 | Telephone line and handset used for voice | | | I/O; internal speaker enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | VOICE RECEIVE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] #VRX=n [cmds] | |--------------+---------------------------------------------| | Description: | Commands the modem to begin receiving voice | | | data. | +------------------------------------------------------------+ +------------------------------------------------------------+ | VOICE RE-RING DETECT TIME | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] #VRA=n [cmds] | |--------------+---------------------------------------------| | Default: | 70 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 10 mS | |--------------+---------------------------------------------| | Description: | Sets the maximum time the modem will wait | | | for the remote station to ring again before | | | it assumes that it has gone off-hook. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | #VRA=0 | Ringback goes away timer disabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | VOICE RING DETECT TIME | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] #VRN=n [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | Unidentified | |--------------+---------------------------------------------| | Description: | Sets the maximum time the modem will wait | | | for the remote station to ring before it | | | assumes that it went off-hook before it | | | rang. | |------------------------------------------------------------| | Command | Function | |------------+-----------------------------------------------| | #VRN=0 | Disables voice ring detect time | +------------------------------------------------------------+ +------------------------------------------------------------+ | VOICE SAMPLE QUALITY | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] #VBS=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects the number of bits per sample that | | | the modem records. | |------------------------------------------------------------| | Note: | This modem may not support all options | | | listed below. The #VBS? Command will | | | display the available options. | |------------------------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | #VBS=2 | Modem records 2 bits per sample in ADPCM | | | encoding. | |--------------+---------------------------------------------| | #VBS=3 | Modem records 3 bits per sample in ADPCM | | | encoding. | |--------------+---------------------------------------------| | i #VBS=4 | Modem records 4 bits per sample in ADPCM | | | encoding. | +------------------------------------------------------------+ S(status) -REGISTERS +------------------------------------------------------------+ | BIT-MAPPED REGISTER S14 | |------------------------------------------------------------| | Format: | AT [cmds] S14=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-174 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls echo, result codes and display, | | | dial mode, and answer/originate mode. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 0 | Not used | |------+-------+---------------------------------------------| | 1 | 0 | Command echo disabled | | | | | | | 1 | Command echo enabled | |------+-------+---------------------------------------------| | 2 | 0 | Result codes enabled | | | | | | | 1 | Result codes disabled | |------+-------+---------------------------------------------| | 3 | 0 | Display result codes in numeric format | | | | | | | 1 | Display result codes in verbose format | |------+-------+---------------------------------------------| | 5 | 0 | Tone dial enabled | | | | | | | 1 | Pulse dial enabled | |------+-------+---------------------------------------------| | 6 | 0 | Not used | |------+-------+---------------------------------------------| | 7 | 0 1 | Answer mode enabled | | | | | | | | Originate mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S19 | |------------------------------------------------------------| | Format | AT [cmds] S19=n [cmds] | |--------------+---------------------------------------------| | Default: | 0, 0, 0, 0 | |--------------+---------------------------------------------| | Range: | 0-253 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects communications protocol, address | | | detection, NRZ mode, and idle indicator. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 1 | 0 | Selects BSC format | | | | | | | 1 | Selects HDLC format | |------+-------+---------------------------------------------| | 2 | 0 | Address detection disabled | | | | | | | 1 | Address detection enabled | |------+-------+---------------------------------------------| | 3 | 0 | NRZI coding enabled | | | | | | | 1 | NRZ coding enabled | |------+-------+---------------------------------------------| | 4 | 0 | Mark idle | | | | | | | 1 | Flag or sync idle | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTOSYNC | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S20=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Selects the AutoSync HDLC address or BSC | | | sync character | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S22 | |------------------------------------------------------------| | Format | AT [cmds] S22=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls speaker volume and controls, | | | limits results codes, and pulse dial | | | make/break ratio. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 1, 0 | 00 | Off volume | | | | | | | 01 | Low level volume | | | | | | | 10 | Medium level volume | | | | | | | 11 | High level volume | |------+-------+---------------------------------------------| | 3, 2 | 00 | Speaker off | | | | | | | 01 | Speaker off on carrier | | | | | | | 10 | Speaker always on | | | | | | | 11 | Speaker on during handshake | |------+-------+---------------------------------------------| | 6 - | 000 | Basic result codes only enabled | | 4 | | | | | 100 | Basic and connection speed result codes | | | | enabled | | | 101 | | | | | Basic and connection speed result codes and | | | 110 | dialtone detection enabled | | | | | | | 111 | All result codes except dialtone detection | | | | enabled | | | | | | | | All result codes enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S23 | |------------------------------------------------------------| | Format | AT [cmds] S23=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-189 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Grants/denies remote digital loopback, | | | controls DTE rate and parity, and sets | | | guard tone. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 0 | Remote digital loopback denied | | | | | | | 1 | Remote digital loopback allowed | |------+-------+---------------------------------------------| | 3 - | 000 | Sets serial port speed to 0-300bps | | 1 | | | | | 001 | Sets serial port speed to 1200bps | | | | | | | 010 | Sets serial port speed to 2400bps | | | | | | | 011 | Sets serial port speed to 4800bps | | | | | | | 100 | Sets serial port speed to 9600bps | | | | | | | 101 | Sets serial port speed to 19200bps | | | | | | | 110 | Sets serial port speed to 38400bps | |------+-------+---------------------------------------------| | 5, 4 | 00 | Parity even | | | | | | | 01 | Space Parity | | | | | | | 10 | Parity odd | | | | | | | 11 | Mark or No Parity | |------+-------+---------------------------------------------| | 7, 6 | 00 | Guard tone disabled | | | | | | | 01 | Guard tone disabled | | | | | | | 10 | Guard tone 1800Hz enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S27 | |------------------------------------------------------------| | Format | AT [cmds] S27=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-111 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects ITU-T/Bell modes. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 1 | 0 | Not used | |------+-------+---------------------------------------------| | 2 | 0 | Not used | |------+-------+---------------------------------------------| | 3 | 0 | Not used | |------+-------+---------------------------------------------| | 4 | 0 | Not used | |------+-------+---------------------------------------------| | 5 | 0 | Not used | |------+-------+---------------------------------------------| | 6 | 0 | ITU/T mode | | | | | | | 1 | Bell mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S28 | |------------------------------------------------------------| | Format | AT [cmds] S28=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-31 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls pulse dialing and MNP link speed. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 0 | Not used | |------+-------+---------------------------------------------| | 1 | 0 | Not used | |------+-------+---------------------------------------------| | 2 | 0 | Not used | |------+-------+---------------------------------------------| | 4, 3 | 00 | 39ms make/61ms break at 10pps | | | | | | | 01 | 33ms make/67ms break at 10pps | | | | | | | 10 | 39ms make/61ms break at 20pps | | | | | | | 11 | 33ms make/67ms break at 20pps | |------+-------+---------------------------------------------| | 5 | 0 | Not used | |------+-------+---------------------------------------------| | 7, 6 | 00 | Highest speed | | | | | | | 01 | 1200bps | | | | | | | 10 | 4800bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | ERROR CORRECTION NEGOTIATION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S36=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects the action of the modem if it fails | | | to connect with the error-correction | | | protocol set in &Q. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S36=0 | Hang up | |--------------+---------------------------------------------| | S36=1 | Attempt a direct connection | |--------------+---------------------------------------------| | S36=3 | Attempt a buffered connection | |--------------+---------------------------------------------| | S36=4 | Attempt a connection at MNP2-4; if that | | | fails, hang up. | |--------------+---------------------------------------------| | S36=5 | Attempt a connection at MNP2-4; if that | | | fails, attempt a direct connection. | |--------------+---------------------------------------------| | S36=7 | Attempt a connection at MNP2-4; if that | | | fails, attempt a buffered connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DCE LINE SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S37=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the maximum allowable data exchange | | | rate attempted during handshake process. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S37=0 | Auto-detect mode | |--------------+---------------------------------------------| | S37=1-3 | 300bps | |--------------+---------------------------------------------| | S37=5 | V.22 1200bps | |--------------+---------------------------------------------| | S37=6 | V.22bis 2400bps | |--------------+---------------------------------------------| | S37=7 | V.23 | |--------------+---------------------------------------------| | S37=8 | V.32bis or V.32 4800bps | |--------------+---------------------------------------------| | S37=9 | V.32bis or V.32 9600bps | |--------------+---------------------------------------------| | S37=10 | V.32bis 12000bps | |--------------+---------------------------------------------| | S37=11 | V.32bis 14400bps | |--------------+---------------------------------------------| | S37=12 | V.32bis 7200bps | |--------------+---------------------------------------------| | S37=15 | V.FC 14400 | |--------------+---------------------------------------------| | S37=16 | V.FC 16800 | |--------------+---------------------------------------------| | S37=17 | V.FC 19200 | |--------------+---------------------------------------------| | S37=18 | V.FC 21600 | |--------------+---------------------------------------------| | S37=19 | V.FC 24000 | |--------------+---------------------------------------------| | S37=20 | V.FC 24600 | |--------------+---------------------------------------------| | S37=21 | V.FC 28800 | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S39? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the current flow control | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | Flow control disabled | |--------------+---------------------------------------------| | 3 | RTS/CTS flow control enabled (&K3, Default) | |--------------+---------------------------------------------| | 4 | XON/XOFF flow control enabled (&K4) | |--------------+---------------------------------------------| | 5 | Transparent XON/XOFF flow control enabled | | | (&K5) | |--------------+---------------------------------------------| | 6 | Both methods (&K6) | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S40 | |------------------------------------------------------------| | Format | AT [cmds] S40=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls power level and break handling; | | | selects MNP extended services, link | | | negotiation, and block size. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0, 1 | 00 | MNP Extended Services disabled | | | | | | | 01 | MNP Extended Services enabled | | | | | | | 10 | MNP Extended Services enabled | |------+-------+---------------------------------------------| | 2 | 0 | Power level adjustment enabled | | | | | | | 1 | Power level adjustment disabled | |------+-------+---------------------------------------------| | 4 | 0 | Not used | |------+-------+---------------------------------------------| | 5, 3 | 000 | AT\K0 | | | | | | | 001 | AT\K1 | | | | | | | 010 | AT\K2 | | | | | | | 011 | AT\K3 | | | | | | | 100 | AT\K4 | | | | | | | 101 | AT\K5 | |------+-------+---------------------------------------------| | 7, 6 | 00 | MNP block size is 64 characters | | | | | | | 01 | MNP block size is 128 characters | | | | | | | 10 | MNP block size is 192 characters | | | | | | | 11 | MNP block size is 256 characters | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S41 | |------------------------------------------------------------| | Format | AT [cmds] S41=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-31 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects compression, auto-retrain, flow | | | control, MNP mode, and fallback mode. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 1, 0 | 00 | Data compression disabled | | | | | | | 01 | MNP5 enabled | | | | | | | 10 | V.42bis enabled | | | | | | | 11 | MNP5 and V.42bis enabled | |------+-------+---------------------------------------------| | 6, 2 | 00 | Auto-retrain disabled | | | | | | | 01 | Auto-retrain enabled | | | | | | | 10 | Fallback/Fall forward enabled | |------+-------+---------------------------------------------| | 3 | 0 | Flow control disabled | | | | | | | 1 | Flow control enabled | |------+-------+---------------------------------------------| | 4 | 0 | Stream mode for MNP | | | | | | | 1 | Block mode for MNP | |------+-------+---------------------------------------------| | 5 | 0 | Not used | |------+-------+---------------------------------------------| | 6 | 0 | Not used | |------+-------+---------------------------------------------| | 7 | 0 | Fallback disabled | | | | | | | 1 | Fallback enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | ERROR CORRECTION/COMPRESSION | |------------------------------------------------------------| | Type: | Register | |------------------------------------------------------------| | Format: | AT [cmds] S46=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects active error correction and | | | compression protocols | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S46=136 | LAP-M only, no compression | |---------------+--------------------------------------------| | S46=138 | LAP-M with V.42bis data compression | +------------------------------------------------------------+ +------------------------------------------------------------+ | FEATURE NEGOTIATION OPTIONS | |------------------------------------------------------------| | Type: | Register | |------------------------------------------------------------| | Format: | AT [cmds] S48=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects active error correction and | | | compression protocols | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S48=0 | Detection negotiation disabled, XID | | | negotiation disabled | |---------------+--------------------------------------------| | S48=7 | Detection negotiation and XID negotiation | | | enabled | |---------------+--------------------------------------------| | S48=128 | Fall-back to options set in S36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK OPTIONS | |------------------------------------------------------------| | Type: | Register | |--------+---------------------------------------------------| | Format | AT [cmds] S82=n [cmds] | |--------+---------------------------------------------------| | Note: | This register for compatibility purposes only and | | | performs no function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION FAILURE CODES | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S86? [cmds] | |--------------+---------------------------------------------| | Description: | Reports codes which correspond to the | | | possible causes of a connection failure | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | Normal hang up | |--------------+---------------------------------------------| | 4 | Carrier signal lost | |--------------+---------------------------------------------| | 5 | No error-control detected for remote modem | | | during feature negotiation | |--------------+---------------------------------------------| | 9 | No common protocol found | |--------------+---------------------------------------------| | 12 | No failure - remote modem disconnected | | | normally | |--------------+---------------------------------------------| | 13 | Remote modem failed to respond after 10 | | | re-transmissions same message | |--------------+---------------------------------------------| | 14 | Violation of negotiated protocol caused | | | failure | +------------------------------------------------------------+ +------------------------------------------------------------+ | CELLULAR TRANSMIT LEVEL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S201=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Works in combination with the @Mn and :En | | | commands to support cellular connection. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 - | @Mn | Initial power level setting | | 4 | | | |------+-------+---------------------------------------------| | 5 | :En | Compromise equalizer enable command | +------------------------------------------------------------+