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# ARCHTEK CORPORATION
5634PCC-K
Card Type Modem/Fax card
Chip Set Cirrus Logic
Maximum Modem Rate 56Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34, V.80, X2
Fax Modulation ITU-T V.17, V.27ter, V.29, T.4, T.30
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class I
Data Bus PCMCIA
55074
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, ‘comma’, A/ |
|------------------------------------------------------------|
| A, C, E, F, H, M, O, P, Q, T, V, X, Y, Z |
|------------------------------------------------------------|
| &C, &F, &G, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \C \G, \J, \K, \O, \U, \X, \Y, \Z |
|------------------------------------------------------------|
| Special Commands |
|------------------------------------------------------------|
| +MS, -J, "H |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S14, S16, S18, S22, S25, S30 |
|------------------------------------------------------------|
| |
|------------------------------------------------------------|
| 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 | In originate or answer mode, handshake |
| | occurs only in mode designated by the ATB |
| | command and S37 register. |
|--------------+---------------------------------------------|
| í N1 | In originate or answer mode, handshake |
| | begins at line speed designated by the S37 |
| | register and ATB command. Modem may shift |
| | to a lower speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUXILIARY RELAY CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Jn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables A/A1 relay driver. Not for |
| | use with RJ-11 phone lines |
|--------------+---------------------------------------------|
| Command | Jack Type |
|--------------+---------------------------------------------|
| í &J0 | Auxiliary relay is disabled |
|--------------+---------------------------------------------|
| &J1 | Auxiliary relay is enabled when modem is |
| | off-hook |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATION PROTOCOLS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the communication protocol for data |
| | calls |
|------------------------------------------------------------|
| Note: The B command allows the simultaneous selection |
| of more than one suffix, enabling multiple protocols. |
|------------------------------------------------------------|
| Command | Protocol |
|--------------+---------------------------------------------|
| B0 | ITU-T V.22 at 1200bps |
|--------------+---------------------------------------------|
| í B1 | Bell 212A at 1200bps/ Bell 103J at 300bps |
|--------------+---------------------------------------------|
| B2 | ITU-T V.23 at 75/1200bps originate; |
| | 1200/75bps answer |
|--------------+---------------------------------------------|
| B3 | ITU-T V.23 at 1200/75bps answer; 75/1200bps |
| | originate |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| &M0 | Asynchronous mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| &Q0 | Asynchronous mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONFIGURATION PROFILES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays active and stored configuration |
| | profiles |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í&V0 | View stored profile 0 |
|--------------+---------------------------------------------|
| &V1 | View stored profile 1 |
|--------------+---------------------------------------------|
| &V2 | View relay, general purpose input/output |
| | 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 handshaking or |
| | connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &D0 | DTR override |
|--------------+---------------------------------------------|
| &D1 | DTR toggle causes online command mode |
|--------------+---------------------------------------------|
| í &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 |
|--------------+---------------------------------------------|
| DR | Answer mode enabled; originate mode |
| | disabled following handshake initiation. |
|--------------+---------------------------------------------|
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables selection of additional result |
| | codes |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| W0 | Enables CONNECT result codes to report DTE |
| | speed |
|--------------+---------------------------------------------|
| W1 | Enables CONNECT result codes to report DTE |
| | speed |
|--------------+---------------------------------------------|
| W2 | Enables CONNECT result codes to report DCE |
| | speed |
|--------------+---------------------------------------------|
| W3 | Enables CONNECT result codes to report DTE |
| | speed, modulation mode, error correction, |
| | data compression, DCE transmit/receive when |
| | in V1 (text) response mode. Defaults to W0 |
| | in V0 (numeric) mode |
|--------------+---------------------------------------------|
| W4 | Enables CONNECT result codes to report DTE |
| | protocol, error correction, and speed when |
| | in V1 (text) response mode. Defaults to W0 |
| | in V0 (numeric) mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| &K3 | RTS/CTS hardware flow control enabled |
|--------------+---------------------------------------------|
| &K4 | XON/XOFF software flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSE DIALING RATIO |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects pulse dial make/break ratio |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &P0 | 39/61ms at 10pps (North America) |
|--------------+---------------------------------------------|
| &P1 | 33/67ms at 10pps (Europe) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code |
|--------------+---------------------------------------------|
| I1 | Reports modem chip firmware version number |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports chipset name |
|--------------+---------------------------------------------|
| I4 | Reserved |
|--------------+---------------------------------------------|
| I5 | Reports host memory (HOST 1/F), program |
| | memory (P Mem), data memory |
| | |
| | (D Mem) and DSP code location hardware |
| | configurations |
|--------------+---------------------------------------------|
| I6 | Reports country code |
|--------------+---------------------------------------------|
| I7 | Reports manufacturer firmware version |
| | number |
|--------------+---------------------------------------------|
| I8 | Reports modem firmware features (see bits |
| | below) |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Voice view disabled |
| | | |
| | 1 | Voice view supported |
|------+-------+---------------------------------------------|
| 1 | 0 | DVD disabled |
| | | |
| | 1 | DVD enabled |
|------+-------+---------------------------------------------|
| 2-7 | 0 | Reserved |
|--------------+---------------------------------------------|
| I9 | Reserved |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION (CONT.) |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| I10 | Reports modem board configuration (bits |
| | below set by manufacturer) |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0-2 | 000 | Telephone emulation mode |
| | | |
| | 100 | CL-MD56XX digital speakerphone (+VSP=n) |
|------+-------+---------------------------------------------|
| 3 | 0 | No caller ID |
| | | |
| | 1 | Caller ID hardware on board |
|------+-------+---------------------------------------------|
| 4 | 0 | Reserved |
| | | |
| | 1 | Reserved |
|------+-------+---------------------------------------------|
| 5 | 0 | Plug and play disabled |
| | | |
| | 1 | Plug and play enabled |
|------+-------+---------------------------------------------|
| 6 | 0 | Microcontroller firmware in EPROM |
| | | |
| | 1 | Microcontroller firmware in FLASH |
|------+-------+---------------------------------------------|
| 7 | 0 | Reserved |
|--------------+---------------------------------------------|
| I11 | Reports modem board configuration (bits |
| | below set by manufacturer) |
|--------------+---------------------------------------------|
| 0 | 0 | Modem only board |
| | | |
| | 1 | Modem and sound card board |
|------+-------+---------------------------------------------|
| 1 | 0 | No microphone jack |
| | | |
| | 1 | Microphone jack on board |
|------+-------+---------------------------------------------|
| 2 | 0 | No external speaker |
| | | |
| | 1 | External speaker on board |
|------+-------+---------------------------------------------|
| 3 | 0 | No local telephone off-hook detection on |
| | | board |
| | 1 | |
| | | Local telephone off-hook detection on-board |
|------+-------+---------------------------------------------|
| 4 | 0 | No local telephone off-hook detection on |
| | | board |
| | 1 | |
| | | Local telephone off-hook detection on-board |
|------+-------+---------------------------------------------|
| 5-7 | 0 | Reserved |
|--------------+---------------------------------------------|
| I12 | Reserved |
|--------------+---------------------------------------------|
| I13 | Reserved |
|--------------+---------------------------------------------|
| I14 | Reports SAFE device |
|--------------+---------------------------------------------|
| I20 | Reports Cirrus Logic silicon version |
|--------------+---------------------------------------------|
| I21 | Reports Cirrus Logic firmware version |
|--------------+---------------------------------------------|
| I22 | Reports Cirrus Logic manufacturer name |
|--------------+---------------------------------------------|
| I23 | Reports Cirrus Logic product model |
|--------------+---------------------------------------------|
| I24 | Reserved |
|--------------+---------------------------------------------|
| I25 | Reserved |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+---------------------------------------------|
| í &T0 | End current test |
|--------------+---------------------------------------------|
| &T1 | Begin local analog loopback test |
|--------------+---------------------------------------------|
| &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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 COMMANDS
+------------------------------------------------------------+
| AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %En [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls auto-retrain mode and |
| | fallback/fall-forward |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %E0 | Auto-retrain disabled |
|--------------+---------------------------------------------|
| %E1 | Auto-retrain enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled |
|--------------+---------------------------------------------|
| %C1 | MNP5 enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N2 | Reliable mode enabled |
|--------------+---------------------------------------------|
| í \N3 | Auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N4 | V.42 reliable mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 by DCE enabled |
|--------------+---------------------------------------------|
| í \Q3 | Bi-directional RTS/CTS flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
SPECIAL COMMANDS
+------------------------------------------------------------+
| CALLING TONE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls whether the DTE will allow the |
| | modem to send a 1300Hz calling tone when |
| | originating |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -C0 | Disable calling tone |
|--------------+---------------------------------------------|
| í -C1 | 1300Hz calling tone sent for all data |
| | connections |
|--------------+---------------------------------------------|
| -C2 | V.8 calling tone sent for V.34 modulations; |
| | 1300Hz calling tone sent for all other |
| | modulations |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDENTIFY MODEM MANUFACTURER |
|------------------------------------------------------------|
| Type: | Configuration |
|---------------+--------------------------------------------|
| Format: | AT [cmds] +GMI? [cmds] |
|---------------+--------------------------------------------|
| Description: | Commands DCE to send a message to the DTE |
| | indicating the DCE manufacturer |
|------------------------------------------------------------|
| Note: | Modem manufacturers name may be changed using |
| | the firmware configuration utility |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDENTIFY PRODUCT MODEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +GMM? [cmds] |
|--------------+---------------------------------------------|
| Description: | Commands DCE to send a message to the DTE |
| | indicating the modem chipset name |
|------------------------------------------------------------|
| Note: | Modem product model may be changed using the |
| | firmware configuration utility |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDENTIFY PRODUCT REVISION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +GMR? [cmds] |
|--------------+---------------------------------------------|
| Description: | Commands DCE to send a message to the DTE |
| | indicating the modem chipset revision level |
|------------------------------------------------------------|
| Note: | Modem chipset revision level may be changed |
| | using the firmware configuration utility |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.42bis - MAXIMUM STRING LENGTH |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] "On [cmds] |
|--------------+---------------------------------------------|
| Default: | 32 |
|--------------+---------------------------------------------|
| Range: | 6-250 |
|--------------+---------------------------------------------|
| Unit: | Characters |
|--------------+---------------------------------------------|
| Description: | Selects string size for V.42bis compression |
+------------------------------------------------------------+
S(status) -REGISTERS
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-253 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Selects jack type, CTS/DCD/DSR signals, low |
| | DTR action, and the long space disconnect |
| | function. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Auxiliary relay is disabled |
| | | |
| | 1 | Auxiliary relay is enabled when modem is |
| | | off-hook |
|------+-------+---------------------------------------------|
| 1 | 0 | Reserved |
|------+-------+---------------------------------------------|
| 2 | 0 | CTS follows RTS |
| | | |
| | 1 | CTS forced high |
|------+-------+---------------------------------------------|
| 4, 3 | 00 | DTR signal ignored |
| | | |
| | 01 | Modem goes to command mode on low DTR |
| | | |
| | 10 | Modem disconnects on low DTR; Auto-Answer |
| | | is disabled. |
| | 11 | |
| | | Modem is initialized on low DTR |
|------+-------+---------------------------------------------|
| 5 | 0 | DCD forced high |
| | | |
| | í 1 | DCD normal |
|------+-------+---------------------------------------------|
| 6 | í 0 | DSR forced high |
| | | |
| | 1 | DSR normal |
|------+-------+---------------------------------------------|
| 7 | í 0 | Long space disconnect function disabled |
| | | |
| | 1 | Long space disconnect function 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 |
| | | |
| | í 1 | Remote digital loopback allowed |
|------+-------+---------------------------------------------|
| 3 - | 000 | Sets serial port speed to 0-300bps |
| 1 | | |
| | 001 | Sets serial port speed to 600bps |
| | | |
| | 010 | Sets serial port speed to 1200bps |
| | | |
| | 011 | Sets serial port speed to 2400bps |
| | | |
| | 100 | Sets serial port speed to 4800bps |
| | | |
| | 101 | Sets serial port speed to 9600bps |
| | | |
| | 110 | Sets serial port speed to 19200bps |
| | | |
| | 111 | Sets serial port speed to 38400bps or |
| | | greater |
|------+-------+---------------------------------------------|
| 5, 4 | í 00 | Parity even |
| | | |
| | 01 | Space Parity |
| | | |
| | 10 | Parity odd |
| | | |
| | 11 | Mark or No Parity |
|------+-------+---------------------------------------------|
| 7, 6 | 00 | Guard tone disabled |
| | | |
| | 01 | Guard tone 550Hz enabled |
| | | |
| | 10 | Guard tone 1800Hz enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-111 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Selects synchronous/asynchronous mode, line |
| | type, clock source, and ITU-T/Bell modes. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 3, | 00 | Asynchronous mode, serial port speed |
| 1, 0 | | follows connect speed |
|------+-------+---------------------------------------------|
| 2, | 0 | Not Used |
| 4, 5 | | |
|------+-------+---------------------------------------------|
| 6-7 | 00 | ITU-T V.22 at 1200bps |
| | | |
| | í 01 | Bell 212A at 1200bps/ Bell 103J at 300bps |
| | | |
| | 10 | ITU-T V.23 at 75/1200bps originate; |
| | | 1200/75bps answer |
| | 11 | |
| | | ITU-T V.23 at 1200/75bps answer; 75/1200bps |
| | | originate |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S31 |
|------------------------------------------------------------|
| Format: | AT [cmds] S31=n [cmds] |
|----------------+-------------------------------------------|
| Range: | 0-10 |
|----------------+-------------------------------------------|
| Description: | Select automode, trellis coding, calling |
| | tone, auto retrain & auto-fallback |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 0 | 0 | In originate or answer mode, handshake |
| | | occurs only in mode designated by the |
| | í 1 | ATB command and S37 register. |
| | | |
| | | In originate or answer mode, handshake |
| | | begins at line speed designated by the |
| | | S37 register and ATB command. Modem may |
| | | shift to a lower speed |
|----------+-------+-----------------------------------------|
| 1 | í 0 | V.32 trellis coding enabled |
| | | |
| | 1 | V.32 trellis coding disabled |
|----------+-------+-----------------------------------------|
| 2 | 0 | Reserved |
|----------+-------+-----------------------------------------|
| 3 | 0 | Disable calling tone |
| | | |
| | í 1 | 1300Hz calling tone sent for all data |
| | | connections |
|----------+-------+-----------------------------------------|
| 4 | 0 | Auto-retrain disabled |
| | | |
| | í 1 | Auto-retrain enabled |
|----------+-------+-----------------------------------------|
| 5 | 0 | Auto-fallback/fall-forward disabled |
| | | |
| | 1 | Auto-fallback/fall-forward enabled |
|----------+-------+-----------------------------------------|
| 6,7 | 0 | Reserved |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S32 |
|------------------------------------------------------------|
| Format: | AT [cmds] S31=n [cmds] |
|-----------------+------------------------------------------|
| Range: | 0-10 |
|-----------------+------------------------------------------|
| Description: | Select x2 mode |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 0-4 | 0 | Reserved |
|-----------+-------+----------------------------------------|
| 5 | í 0 | x2 mode disabled. Defaults to V.34 |
| | | modulation |
| | 1 | |
| | | x2 mode enabled |
|-----------+-------+----------------------------------------|
| 6, 7 | 0 | Reserved |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Speed of last connection |
|--------------+---------------------------------------------|
| S37=3 | 300bps |
|--------------+---------------------------------------------|
| S37=5 | 1200bps |
|--------------+---------------------------------------------|
| S37=6 | 2400bps |
|--------------+---------------------------------------------|
| S37=7 | 4800bps |
|--------------+---------------------------------------------|
| S37=8 | 7200bps |
|--------------+---------------------------------------------|
| S37=9 | 9600bps |
|--------------+---------------------------------------------|
| S37=10 | 12.0Kbps |
|--------------+---------------------------------------------|
| S37=11 | 14.4Kbps |
|--------------+---------------------------------------------|
| S37=12 | 16.8Kbps |
|--------------+---------------------------------------------|
| S37=13 | 19.2Kbps |
|--------------+---------------------------------------------|
| S37=14 | 21.6Kbps |
|--------------+---------------------------------------------|
| S37=15 | 24.0Kbps |
|--------------+---------------------------------------------|
| S37=16 | 26.4Kbps |
|--------------+---------------------------------------------|
| S37=17 | 28.8Kbps |
|--------------+---------------------------------------------|
| S37=18 | 31.2Kbps (reserved for future products) |
|--------------+---------------------------------------------|
| S37=19 | 33.6Kbps (reserved for future products) |
|--------------+---------------------------------------------|
| S37=20 | 36.0Kbps |
|--------------+---------------------------------------------|
| S37=21 | 33.3Kbps |
|--------------+---------------------------------------------|
| S37=22 | 37.3Kbps |
|--------------+---------------------------------------------|
| S37=23 | 41.3Kbps |
|--------------+---------------------------------------------|
| S37=24 | 42.7Kbps |
|--------------+---------------------------------------------|
| S37=25 | 44.0Kbps |
|--------------+---------------------------------------------|
| S37=26 | 45.3Kbps |
|--------------+---------------------------------------------|
| S37=27 | 46.7Kbps |
|--------------+---------------------------------------------|
| S37=28 | 48.0Kbps |
|--------------+---------------------------------------------|
| S37=29 | 49.3Kbps |
|--------------+---------------------------------------------|
| S37=20 | 50.7Kbps |
|--------------+---------------------------------------------|
| S37=21 | 52.0Kbps |
|--------------+---------------------------------------------|
| S37=22 | 53.3Kbps |
|--------------+---------------------------------------------|
| S37=23 | 54.6Kbps |
|--------------+---------------------------------------------|
| S37=24 | 56.0Kbps |
|--------------+---------------------------------------------|
| S37=25 | 57.3Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SLEEP TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S33=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | Maximum duration of DTE and DCE inactivity |
| | allowed prior to initiating low-power sleep |
| | mode. |