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# PROMETHEUS PRODUCTS, INC.
CYBERPORT PRO PC288IV, CYBERPHONE PC288IVSP
Card Type Fax, Modem (asynchronous/synchronous)
Chip Set Unidentified
I/O Options Speakerphone, Voice-mail
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus 16-bit ISA
Fax Class Class II
Data Modulation Bell 103/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29,
Protocol V.33
Error MNP5, V.42, V.42bis
Correction/Compression
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | Microphone | CN4 |
|-------------------+----------+----------------------+------|
| Line in | CN2 | Sound card connector | CN5 |
|-------------------+----------+----------------------+------|
| Speaker | CN3 | | |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| ASYNCHRONOUS PROTOCOL (CONNCET MODE) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects asynchronous protocol (connect |
| | mode) |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled (V.14 asynchronous) |
|--------------+---------------------------------------------|
| \N2 | MNP reliable mode enabled |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N4 | V.42 reliable mode enabled |
|--------------+---------------------------------------------|
| \N5 | V.42 auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N6 | Reliable mode enabled (V.13/simulated |
| | carrier control) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-FALLBACK/FALL-FORWARD |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &An [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls auto-fallback/fall-forward |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &A0 | Auto-fallback/fall-forward disabled |
|--------------+---------------------------------------------|
| &A1 | Auto-fallback/fall-forward enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character |
|--------------+---------------------------------------------|
| Note: | AT%A0 will disable this function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Time-out and fallback, speed buffer, no |
| | data buffer |
|--------------+---------------------------------------------|
| \C1 | Time-out and fallback, speed buffer, buffer |
| | receive data |
|--------------+---------------------------------------------|
| \C2 | Auto-reliable, fallback with fallback |
| | character speed buffer, no receive data |
| | buffer |
|--------------+---------------------------------------------|
| \C3 | Time-out and fallback, V.14, buffer receive |
| | data |
|--------------+---------------------------------------------|
| \C4 | Time-out or fallback with fallback |
| | character, V.14, no data buffer |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK HANDLING |
|------------------------------------------------------------|
| Type: | Configuration |
|-----------------+------------------------------------------|
| Format: | AT [cmds] \Kn [cmds] |
|-----------------+------------------------------------------|
| Description: | Controls action of break character |
|------------------------------------------------------------|
| Command | Function |
|------------+-----------------------------------------------|
| \K0 | Send break to remote modem immediately and |
| | buffered cleared |
|------------+-----------------------------------------------|
| \K1 | Send break to remote modem immediately and |
| | buffers saved |
|------------+-----------------------------------------------|
| \K2 | Timed break and buffers saved |
|------------+-----------------------------------------------|
| \K3 | Break ignored |
|------------+-----------------------------------------------|
| \K4 | Timed break until no break character and |
| | buffers saved |
|------------+-----------------------------------------------|
| \K5 | Timed break until no break character and |
| | buffers saved |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUSY-OUT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls busy-out options |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| %B0 | Disable busy-out |
|---------------+--------------------------------------------|
| %B1 | Enable busy-out on loss of DTR |
|---------------+--------------------------------------------|
| %B2 | Enable busy-out in local analog loopback |
| | test |
|---------------+--------------------------------------------|
| %B3 | Enable busy-out in local analog loopback |
| | test, or on loss of RTS or DTR |
|---------------+--------------------------------------------|
| %B4 | Enable busy-out on loss of RTS |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALL PROGRESS MONITOR |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the call progress monitor message |
| | speed |
|------------------------------------------------------------|
| Command | Function |
|-----------------------+------------------------------------|
| %R0 | Autobaud |
|-----------------------+------------------------------------|
| %R1 | Send at last connect speed |
|-----------------------+------------------------------------|
| %R2 | Send at 300bps |
|-----------------------+------------------------------------|
| %R3 | Send at 1200bps |
|-----------------------+------------------------------------|
| %R4 | Send at 2400bps |
|-----------------------+------------------------------------|
| %R5 | Send at 4800bps |
|-----------------------+------------------------------------|
| %R6 | Send at 7200bps |
|-----------------------+------------------------------------|
| %R7 | Send at 9600bps |
|-----------------------+------------------------------------|
| %R8 | Send at 12Kbps |
|-----------------------+------------------------------------|
| %R9 | Send at 14.4Kbps |
|-----------------------+------------------------------------|
| %R10 | Send at 16.8Kbps |
|-----------------------+------------------------------------|
| %R11 | Send at 19.2Kbps |
|-----------------------+------------------------------------|
| %R12 | Send at 21.6Kbps |
|-----------------------+------------------------------------|
| %R13 | Send at 24Kbps |
|-----------------------+------------------------------------|
| %R14 | Send at 26.4Kbps |
|-----------------------+------------------------------------|
| %R15 | Send at 28.8Kbps |
|-----------------------+------------------------------------|
| %R16 | Send at 38.4Kbps |
|-----------------------+------------------------------------|
| %R17 | Send at 57.6Kbps |
|-----------------------+------------------------------------|
| %R18 | Send at 76.8Kbps |
|-----------------------+------------------------------------|
| %R19 | Send at 115.2Kbps |
|-----------------------+------------------------------------|
| %R20 | Send at 128Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHARACTER ABORT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls character abort |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %K0 | Character abort enabled (2 second delay) |
|--------------+---------------------------------------------|
| %K1 | Character abort disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHARACTER LENGTH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls character length: data bits, |
| | parity, stop bits. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| \B0 | 6 data bits, no parity, 1 stop bit |
|---------------+--------------------------------------------|
| \B1 | 7 data bits, no parity, 1 stop bit |
|---------------+--------------------------------------------|
| \B2 | 7 data bits, \P sets parity, 1 stop bit |
|---------------+--------------------------------------------|
| \B3 | 8 data bits, no parity, 1 stop bit |
|---------------+--------------------------------------------|
| \B4 | 7 data bits, \P sets parity, 2 stop bits |
|---------------+--------------------------------------------|
| \B5 | 8 data bits, \P sets parity, 1 stop bit |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled |
|--------------+---------------------------------------------|
| %C1 | Enabled in both transmit and receive paths |
|--------------+---------------------------------------------|
| %C2 | Enabled in transmit path only in V.42bis |
|--------------+---------------------------------------------|
| %C3 | Enabled in receive path only in V.42bis |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| &M0 | Asynchronous mode |
|--------------+---------------------------------------------|
| &M1 | Synchronous mode with DTR to data delay |
| | (S25 register) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MESSAGE TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects connect message |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \V0 | Extended result codes disabled, standard |
| | connect message displayed |
|--------------+---------------------------------------------|
| í \V1 | Extended result codes enabled, MNP class |
| | and DTE speed displayed |
|--------------+---------------------------------------------|
| \V2 | Extended result codes enabled, /REL and DCE |
| | speed displayed |
|--------------+---------------------------------------------|
| \V3 | Extended result codes enabled, connection |
| | speed is DTE speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA CARRIER DETECT (DCD) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls DCD signal |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &C0 | DCD forced high |
|--------------+---------------------------------------------|
| &C1 | DCD forced high after CD signal detected |
|--------------+---------------------------------------------|
| &C2 | DCD forced high, toggle DCD on disconnect |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &S0 | DSR forced high, toggle DSR on disconnect |
|--------------+---------------------------------------------|
| &S1 | DSR high only while modem is handshaking or |
| | connected |
|--------------+---------------------------------------------|
| &S2 | DSR high only while modem is connected |
|--------------+---------------------------------------------|
| &S3 | DSR forced high |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| &D0 | Modem does not respond to DTR, DTR forced |
| | high |
|---------------+--------------------------------------------|
| &D1 | Modem goes to command mode after DTR goes |
| | is off |
|---------------+--------------------------------------------|
| &D2 | Modem goes on-hook after DTR goes off |
|---------------+--------------------------------------------|
| &D3 | 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. |
|--------------+---------------------------------------------|
| Modifier | Function |
|--------------+---------------------------------------------|
| Ln | Link to cell n if modem cannot connect |
|--------------+---------------------------------------------|
| P | Pulse dialing enabled |
|--------------+---------------------------------------------|
| R | Answer mode enabled, originate mode |
| | disabled following handshake initiation |
|--------------+---------------------------------------------|
| Sn | Dial stored telephone number n |
|--------------+---------------------------------------------|
| T | Tone dialing enabled |
|--------------+---------------------------------------------|
| W | Dialing resumed following dial tone |
| | detection after amount of time specified in |
| | S6 register |
|--------------+---------------------------------------------|
| ! or & | Modem commanded to go off-hook for .5 |
| | second before returning on-hook |
|--------------+---------------------------------------------|
| , or < | Dialing paused for amount of time specified |
| | in S8 register |
|--------------+---------------------------------------------|
| :n | Re-dial n times until connected |
|--------------+---------------------------------------------|
| ; | Modem returned to command state after |
| | dialing |
|--------------+---------------------------------------------|
| @ | Wait for quiet answer for amount of time |
| | specified in S7 register |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL-UP HANDSHAKE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Select the handshake mode |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| &H0 | Set to GDC fast auto (28.8K - 300bps) |
|----------------+-------------------------------------------|
| &H1 | Set to GDC fast only (28.8K - 9600bps) |
|----------------+-------------------------------------------|
| &H2 | Set to V.32bis auto (14.4K - 300bps) |
|----------------+-------------------------------------------|
| &H3 | Set to V.32bis only (14.4K - 4800bps) |
|----------------+-------------------------------------------|
| &H4 | Set to V.32 auto (9600 - 300bps) |
|----------------+-------------------------------------------|
| &H5 | Set to V.32 only (9600 - 4800bps) |
|----------------+-------------------------------------------|
| &H6 | Set to V.22bis only (2400 - 1200bps) |
|----------------+-------------------------------------------|
| &H7 | Set to V.22 only (1200bps) |
|----------------+-------------------------------------------|
| &H8 | Set to Bell 212A only (1200bps) |
|----------------+-------------------------------------------|
| &H9 | Set to Bell 103 only (300bps) |
|----------------+-------------------------------------------|
| &H10 | Set to V.21 only (300bps) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays all stored phone numbers in |
| | sequence (0-3) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls DSR signal |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| &S0 | DSR forced high, DSR forced low on |
| | disconnect |
|---------------+--------------------------------------------|
| &S1 | DSR normal |
|---------------+--------------------------------------------|
| &S2 | DSR follows CD |
|---------------+--------------------------------------------|
| &S3 | DSR forced high |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR - TEST MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls DSR signal during test modes |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| %D0 | DSR forced high during local analog |
| | loopback test |
|----------------+-------------------------------------------|
| %D1 | DSR forced low during this test |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE INTERFACE CONTROLLED TESTS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %En [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls test modes using DTE interface |
| | pins |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| %E0 | Disable tests using DTE interface pins |
|---------------+--------------------------------------------|
| %E1 | Enable tests using DTE interface pins |
| | (V.24 circuit 140 and 141) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets DTE speed |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| \T0 | Autobaud, AT%R sets call progress monitor |
| | message speed |
|---------------+--------------------------------------------|
| \T1 | Set to last AT speed |
|---------------+--------------------------------------------|
| \T2 | Set to 300bps |
|---------------+--------------------------------------------|
| \T3 | Set to 1200bps |
|---------------+--------------------------------------------|
| \T4 | Set to 2400bps |
|---------------+--------------------------------------------|
| \T5 | Set to 4800bps |
|---------------+--------------------------------------------|
| \T6 | Set to 7200bps |
|---------------+--------------------------------------------|
| \T7 | Set to 9600bps |
|---------------+--------------------------------------------|
| \T8 | Set to 12Kbps |
|---------------+--------------------------------------------|
| \T9 | Set to 14.4Kbps |
|---------------+--------------------------------------------|
| \T10 | Set to 16.8Kbps |
|---------------+--------------------------------------------|
| \T11 | Set to 19.2Kbps |
|---------------+--------------------------------------------|
| \T12 | Set to 21.6Kbps |
|---------------+--------------------------------------------|
| \T13 | Set to 24Kbps |
|---------------+--------------------------------------------|
| \T14 | Set to 26.4Kbps |
|---------------+--------------------------------------------|
| \T15 | Set to 28.8Kbps |
|---------------+--------------------------------------------|
| \T16 | Set to 38.4Kbps |
|---------------+--------------------------------------------|
| \T17 | Set to 57.6Kbps |
|---------------+--------------------------------------------|
| \T18 | Set to 76.8Kbps |
|---------------+--------------------------------------------|
| \T19 | Set to 115.2Kbps |
|---------------+--------------------------------------------|
| \T20 | Set to 128Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR DIALING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Zn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls DTR dialing |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| %Z0 | Ignore |
|----------------+-------------------------------------------|
| %Z1=n | Dial cell n |
|----------------+-------------------------------------------|
| %Z2 | Go off-hook, try to handshake |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY DEFAULT PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets values in active profile to values |
| | found in the default profile |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| &F0 | Dial-up, asynchronous, V.42, and V.42bis |
| | modes enabled |
|---------------+--------------------------------------------|
| &F1 | Dial-up, synchronous modes enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem port flow control |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \G0 | Flow control disabled |
|--------------+---------------------------------------------|
| \G1 | Enable XON/XOFF in both transmit and |
| | receive paths |
|--------------+---------------------------------------------|
| \G2 | Enable in transmit path only |
|--------------+---------------------------------------------|
| \G3 | Enable in both transmit and receive paths, |
| | with pass-through |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \Q0 | Flow control disabled |
|--------------+---------------------------------------------|
| \Q1 | Bi-directional XON/XOFF flow control |
| | enabled |
|--------------+---------------------------------------------|
| \Q2 | CTS flow control enabled |
|--------------+---------------------------------------------|
| \Q3 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| \Q4 | Unidirectional XON/XOFF flow control by DCE |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SIGNAL QUALITY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Q [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls how the modem responds to poor |
| | signal quality |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| %Q0 | No retraining, disabled |
|----------------+-------------------------------------------|
| %Q1 | Retrain up to 3 times, disconnect if |
| | quality is still not good |
|----------------+-------------------------------------------|
| %Q2 | Retrain until signal quality is good |
+------------------------------------------------------------+
+------------------------------------------------------------+
| OVERSPEED CORRECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls overspeed correction |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \A0 | Connect with 1.25% (nominal) asynchronous |
| | overspeed correction |
|--------------+---------------------------------------------|
| \A1 | Connect with 2.5% (extended) overspeed |
| | correction |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARITY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the type of parity used |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| \P0 | Even parity |
|----------------+-------------------------------------------|
| \P1 | Space parity |
|----------------+-------------------------------------------|
| \P2 | Odd parity |
|----------------+-------------------------------------------|
| \P3 | Mark parity |
|----------------+-------------------------------------------|
| \P4 | Automatic (from last AT command) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports firmware revision level |
|--------------+---------------------------------------------|
| I4 | Reports a summary of all S-registers |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RETRANSMISSION COUNTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S70=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 100 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | Controls how many retransmission’s are |
| | accounted for |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYNCHRONOUS PROTOCOL (CONNECT MODE) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects synchronous protocol |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \M0 | Normal synchronous mode enabled |
|--------------+---------------------------------------------|
| \M1 | V.13 synchronous mode enabled (simulated |
| | controlled carrier) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 test |
|--------------+---------------------------------------------|
| &T4 | Enable remote digital loopback test |
|--------------+---------------------------------------------|
| &T5 | Disable remote digital loopback test |
|--------------+---------------------------------------------|
| &T6 | Disable remote digital loopback test |
|--------------+---------------------------------------------|
| &T7 | Enable remote digital loopback with |
| | self-test |
|--------------+---------------------------------------------|
| &T8 | Enable local analog loopback and self-test |
|--------------+---------------------------------------------|
| &T9 | Enable End-to-End self-test |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRELLIS CODING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Un [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls trellis coding |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| &U0 | Enabled trellis coding |
|----------------+-------------------------------------------|
| &U1 | Disabled trellis coding |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.13 - SIMULATED CONTROLLED CARRIER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &En [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls V.13 carrier in direction selected |
|------------------------------------------------------------|
| Command | Function |
|-----------------+------------------------------------------|
| &E0 | Enabled in both transmit and receive |
| | paths |
|-----------------+------------------------------------------|
| &E1 | Enabled in transmit path only |
|-----------------+------------------------------------------|
| &E2 | Enabled in receive path only |
+------------------------------------------------------------+