MICROCOM, INC.
AX/2400
|
Card Type |
Modem (synchronous/asynchronous) |
|
Chipset |
Microcom, Inc. |
|
Maximum Onboard Memory |
8K battery-backup DRAM |
|
Maximum Data Rate |
2400bps |
|
Data Bus |
Serial |
|
Data Modulation |
Bell 103A/212A ITU-T V.22, V.22bis |
|
Error Correction/Compression |
MNP4 |
|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
Line out |
CN1 |
Volume |
R1 | |||
|
Line in |
CN2 |
Talk/data switch |
SW3 | |||
|
DC power |
CN3 |
Synchronous/asynchronous switch |
SW4 | |||
|
RS-232/422 |
CN4 |
Reset switch |
SW5 | |||
|
USER CONFIGURABLE SETTINGS | ||
|
Setting |
Label |
Position |
|
í Busy out disabled |
JP1 |
Pins 3 & 4 closed |
|
Busy out enabled |
JP1 |
Pins 1 & 2 closed |
|
í Receiver sensitivity set to -10 to -43 dBm |
JP2 |
Pins 3 & 4 closed |
|
Receiver sensitivity set to 0 to -33 dBm |
JP2 |
Pins 1 & 2 closed |
|
í Pin 12 of RS-232 port indicates 1200bps connection |
JP3/A |
Closed |
|
Pin 12 of RS-232 port does not indicate 1200bps connection |
JP3/A |
Open |
|
í Synchronous transmit clock on RS-232 pin 15 enabled |
JP3/B |
Closed |
|
Synchronous transmit clock on RS-232 pin 15 disabled |
JP3/B |
Open |
|
USER CONFIGURABLE SETTINGS (CON’T) | ||
|
Setting |
Label |
Position |
|
í Pin 15 of RS-232 port does not indicate 1200bps connection |
JP3/C |
Open |
|
Pin 15 of RS-232 port indicates 1200bps connection |
JP3/C |
Closed |
|
í RTS signal in on RS-232 pin 15 disabled |
JP3/D |
Open |
|
RTS signal in on RS-232 pin 15 enabled |
JP3/D |
Closed |
|
í Pin 23 of RS-232 port indicates 2400bps connection |
JP4 |
Closed |
|
Pin 23 of RS-232 port does not indicate 2400bps connection |
JP4 |
Open |
|
í DTR normal |
SW1/1 |
On |
|
DTR forced high |
SW1/1 |
Off |
|
í Microcom SX command set enabled (asynchronous mode only) |
SW1/2 |
On |
|
AT command set enabled (asynchronous mode only) |
SW1/2 |
Off |
|
í Result codes disabled (asynchronous mode only) |
SW1/3 |
On |
|
Result codes enabled (asynchronous mode only) |
SW1/3 |
Off |
|
í Command echo disabled (asynchronous mode only) |
SW1/4 |
Off |
|
Command echo enabled (asynchronous mode only) |
SW1/4 |
On |
|
í Auto-answer enabled (asynchronous mode only) |
SW1/5 |
On |
|
Auto-answer disabled (asynchronous mode only) |
SW1/5 |
Off |
|
í CD normal (asynchronous mode only) |
SW1/6 |
On |
|
CD forced high (asynchronous mode only) |
SW1/6 |
Off |
|
í Verbose result codes enabled (asynchronous mode only) |
SW1/7 |
On |
|
Numeric result codes enabled (asynchronous mode only) |
SW1/7 |
Off |
|
í Command sets disabled (asynchronous mode only) |
SW1/8 |
On |
|
Command sets enabled (asynchronous mode only) |
SW1/8 |
Off |
|
í MNP result codes disabled (asynchronous mode only) |
SW2/5 |
On |
|
MNP result codes enabled (asynchronous mode only) |
SW2/5 |
Off |
|
í Factory defaults not restored on reset (asynchronous AT command set only) |
SW2/6 |
On |
|
Factory defaults restored on reset (asynchronous AT command set only) |
SW2/6 |
Off |
|
í Switched line type (synchronous mode only) |
SW2/6 |
On |
|
Leased line type (synchronous mode only) |
SW2/6 |
Off |
|
í Configuration not set to switch settings on reset (asynchronous mode only) |
SW2/7 |
On |
|
Configuration set to switch settings on reset (asynchronous mode only) |
SW2/7 |
Off |
|
í Auto-answer disabled (synchronous mode only) |
SW2/7 |
On |
|
Auto-answer enabled (synchronous mode only) |
SW2/7 |
Off |
|
í Line speed set to 2400bps (synchronous mode only) |
SW2/8 |
On |
|
Line speed set to 1200bps (synchronous mode only) |
SW2/8 |
Off |
|
AUTO-DIAL NUMBER (SYNCHRONOUS MODE ONLY) | ||||
|
Setting |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
|
First number |
Off |
On |
On |
On |
|
Second number |
On |
Off |
On |
On |
|
Third number |
On |
On |
Off |
On |
|
Fourth number |
On |
On |
On |
Off |
|
Disabled |
On |
On |
On |
On |
|
FLOW CONTROL (ASYNCHRONOUS MODE ONLY) | |||
|
Modem to DTE |
Modem to Modem |
SW2/1 |
SW2/2 |
|
Disabled |
Disabled |
On |
On |
|
XON/XOFF |
XON/XOFF |
On |
Off |
|
RTS/CTS |
XON/XOFF |
Off |
On |
|
Disabled |
Disabled |
Off |
Off |
|
CONNECT MODE (ASYNCHRONOUS MODE ONLY) | ||
|
Setting |
SW2/3 |
SW2/4 |
|
Normal mode |
On |
On |
|
Direct mode |
Off |
Off |
|
Reliable mode |
On |
Off |
|
Auto-reliable mode |
Off |
On |
|
CD, DSR, AND CTS SIGNALS (SYNCHRONOUS MODE ONLY) | ||||
|
CD Signal |
DSR Signal |
CTS Signal |
SW2/4 |
SW2/5 |
|
Forced high |
Forced high |
Forced high |
On |
On |
|
Normal |
Follows OH |
Normal |
On |
Off |
|
High except at disconnect |
High except at disconnect |
High except at disconnect |
Off |
On |
|
Normal |
Forced high |
Forced high |
Off |
Off |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
PWR |
Unidentified |
On |
Power is on |
|
PWR |
Unidentified |
Off |
Power is off |
|
TST |
Unidentified |
On |
System error has occurred or modem is retraining |
|
TST |
Unidentified |
Blinking |
Serial port is waiting to be configured |
|
TST |
Unidentified |
One blink |
Data error has occurred |
|
TST |
Unidentified |
Off |
Normal operation |
|
OH |
Unidentified |
On |
Modem is off-hook |
|
OH |
Unidentified |
Off |
Modem is on-hook |
|
HS |
Green |
On |
Modem is operating at 2400bps |
|
HS |
Red |
On |
Modem is operating at 1200bps |
|
HS |
N/A |
Off |
Modem is operating at 300bps |
|
DTR |
Unidentified |
On |
DTR signal is high |
|
DTR |
Unidentified |
Off |
DTR signal is low |
|
TX |
Unidentified |
Blinking |
Modem is transmitting data |
|
TX |
Unidentified |
Off |
Modem is not transmitting data |
|
RX |
Unidentified |
Blinking |
Modem is receiving data |
|
RX |
Unidentified |
Off |
Modem is not receiving data |
|
SUPPORTED STANDARD COMMANDS |
|
Basic AT Commands |
|
+++, ‘comma’, A/ |
|
A, B, E, H, I, M, O, P, Q, T, V, X, Z |
|
&D, &F, &G, &L, &M, &P, &R, &T, &W, &Z |
|
Extended AT Commands |
|
\A, \B, \C, \E, \G, \J, \L, \N, \O, \Q, \T, \U, \V, \X, \Y, \Z |
|
%A, %E |
|
S-Registers |
|
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S21, S22, S23, S25, S26, S27 |
Note: See MHI Help File for complete command documentation. |
Proprietary AT Command Set
|
BREAK TYPE | |||||
|
Type: |
Configuration | ||||
|
Format: |
AT [cmds] \Kn [cmds] | ||||
|
Description: |
Configures action of break signal | ||||
|
Command |
Break from DTE Reliable/Normal mode |
Break from DTE Direct mode |
Modem receives \B |
Break from remote modem | |
|
\K0 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately, then enter command mode. |
Buffers cleared and break sent to remote modem. |
Buffers cleared and break sent to DTE. | |
|
\K1 |
Buffers cleared and break sent to remote modem. |
Send break to remote modem immediately. |
Buffers cleared and break sent to remote modem. |
Buffers cleared and break sent to DTE. | |
|
\K2 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately, then enter command mode. |
Send break to remote modem immediately. |
Send break to DTE immediately. | |
|
\K3 |
Send break to remote modem immediately. |
Send break to remote modem immediately. |
Send break to remote modem immediately. |
Send break to DTE immediately. | |
|
\K4 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately, then enter command mode. |
Send break to remote modem with transmitted data. |
Break sent with received data to the DTE. | |
|
\K5 |
Send break with transmitted data. |
Send break to remote modem immediately. |
Send break to remote modem with transmitted data. |
Break sent with received data to the DTE. | |
|
COMMAND SET - MICROCOM SX | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] \M |
|
Description: |
Switches to the proprietary Microcom SX command set. The modem will prompt the user to confirm this action. |
|
DATA CARRIER DETECT (DCD) SIGNAL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Cn [cmds] |
|
Description: |
Controls the behaviour of the DCD signal. |
|
Command |
Function |
|
í &C0 |
DCD forced high. |
|
&C1 |
DCD forced high after carrier signal is detected. |
|
&C2 |
CD forced high except during disconnect. |
|
DATA SET READY (DSR) AND CLEAR TO SEND (CTS) SIGNALS | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Dn [cmds] |
|
Description: |
Controls the behaviour of the DSR and CTS signals. |
|
Command |
Function |
|
í \D0 |
DSR and CTS forced high. |
|
\D1 |
CTS follows CD. If &C is not set to 1 then DSR also follows CD, otherwise it follows OH. |
|
\D2 |
DSR and CTS follow CD. |
|
\D3 |
DSR follows answer tone, CTS forced high. |
|
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 |
|
DL |
Re-dial last number. |
|
DNn |
If the dial attempt fails, the modem will attempt to dial stored number n. |
|
DP |
Pulse dialing enabled. |
|
DR |
Answer mode enabled; originate mode disabled following handshake initiation. |
|
DS |
Dial the first stored number. |
|
DT |
Tone dialing enabled. |
|
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 time specified in S7 before returning on-hook. |
|
D@ |
Wait for Quiet 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/n |
Dial stored telephone number n. |
|
D; |
Modem returned to command state after dialing. The semicolon can only be placed at the end of the dial command. |
|
DISPLAY CONFIGURATION - CONNECTION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] \S [cmds] |
|
Description: |
Displays settings pertaining to the current connection. |
|
DISPLAY S-REGISTERS | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] %R [cmds] |
|
Description: |
Displays the settings of all S-registers. |
|
DISPLAY STORED NUMBERS | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] \F [cmds] |
|
Description: |
Displays all stored phone numbers. |
|
INTERFACE PROTOCOL | ||
|
Type: |
Configuration | |
|
Format: |
AT [cmds] \In [cmds] | |
|
Description: |
Selects whether the modem will use the Interface Protocol to communicate with the running software package. | |
|
Command |
Function | |
|
í \I0 |
Interface Protocol disabled. | |
|
\I1 |
Interface Protocol enabled. | |
|
LOCAL SERIAL PORT SPEED RESET | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] %U [cmds] |
|
Description: |
Instructs the modem to reset the rate of the local serial port to match the DTE’s next command. |
|
RING INDICATOR (RI) SIGNAL | ||
|
Type: |
Configuration | |
|
Format: |
AT [cmds] \Rn [cmds] | |
|
Description: |
Selects when the RI signal will be cleared from an incoming call. | |
|
Command |
Function | |
|
\R0 |
RI signal not cleared until the call has disconnected. | |
|
í \R1 |
RI signal cleared when call is answered. | |
|
STORE TELEPHONE NUMBER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Pn= <#>:xxxx |
|
Description: |
Writes the indicated telephone number into non-volatile memory at location n. The xxxx will be stored as a comment and will not be passed to the dial command. |
Proprietary Microcom SX Command Set
|
ACCEPT MNP RELIABLE MODE | |
|
Type: |
Immediate |
|
Format: |
[cmds];AR;[cmds] |
|
Description: |
Accept remote modem’s request for MNP reliable mode |
|
ANSWER | |
|
Type: |
Immediate |
|
Format: |
[cmds];A;[cmds] |
|
Description: |
Enables answer mode; the modem goes off-hook. |
|
AUTO-ANSWER | ||
|
Type: |
Configuration | |
|
Format: |
[cmds];AA xxx;[cmds] | |
|
Description: |
Selects whether the modem will automatically answer incoming calls. | |
|
Command |
Function | |
|
í AAOFF |
Auto-answer disabled. | |
|
AAON |
Auto-answer enabled. | |
|
AUTO-RELIABLE FALLBACK CHARACTER | |
|
Type: |
Configuration |
|
Format: |
[cmds];SACn;[cmds] [cmds];SAC/x;[cmds] |
|
Default: |
0 |
|
Range: |
0-127 |
|
Unit: |
1 ASCII character |
|
Description: |
Sets the character used as the auto-reliable fallback character; SAC0 will disable this function. With the second form of this command, the user may specify a character, rather than its ASCII value. |
|
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
|
Type: |
Configuration |
|
Format: |
[cmds];AUTn;[cmds] |
|
Description: |
Controls the handling of incoming data during auto-reliable time period |
|
Command |
Function |
|
AUT0 |
Data is discarded. |
|
AUT1 |
Data is buffered for 4 seconds or 200 characters. |
|
AUT2 |
Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character. |
|
AUTO-RETRAIN | |
|
Type: |
Configuration |
|
Format: |
[cmds];RTxx;[cmds] |
|
Description: |
Controls auto-retrain mode. |
|
Command |
Function |
|
RTOFF |
Auto-retrain disabled |
|
í RTON |
Auto-retrain enabled |
|
BREAK SEND | |
|
Type: |
Configuration |
|
Format: |
[cmds];Bn;[cmds] |
|
Default: |
3 |
|
Range: |
1-9 |
|
Unit: |
.1 second |
|
Description: |
Sends a break to the modem. |
|
BREAK TYPE | |||||
|
Type: |
Configuration | ||||
|
Format: |
[cmds];SBRKn;[cmds] | ||||
|
Description: |
Configures action of break signal | ||||
|
Command |
Break from DTE Reliable/Normal mode |
Break from DTE Direct mode |
Modem receives \B |
Break from remote modem | |
|
SBRK0 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately, then enter command mode. |
Buffers cleared and break sent to remote modem. |
Buffers cleared and break sent to DTE. | |
|
SBRK1 |
Buffers cleared and break sent to remote modem. |
Send break to remote modem immediately. |
Buffers cleared and break sent to remote modem. |
Buffers cleared and break sent to DTE. | |
|
SBRK2 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately, then enter command mode. |
Send break to remote modem immediately. |
Send break to DTE immediately. | |
|
SBRK3 |
Send break to remote modem immediately. |
Send break to remote modem immediately. |
Send break to remote modem immediately. |
Send break to DTE immediately. | |
|
SBRK4 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately, then enter command mode. |
Send break to remote modem with transmitted data. |
Break sent with received data to the DTE. | |
|
SBRK5 |
Send break with transmitted data. |
Send break to remote modem immediately. |
Send break to remote modem with transmitted data. |
Break sent with received data to the DTE. | |
|
COMMAND ECHO AND RESULT CODES | ||
|
Type: |
Configuration | |
|
Format: |
[cmds];SCExx;[cmds] | |
|
Description: |
Sets whether the modem echoes commands entered and what format it sends result codes in. | |
|
Command |
Function | |
|
í SCEOFF |
Commands not echoed, result codes sent. | |
|
SCEON |
Commands echoed, result codes sent in verbose format. | |
|
SCENO |
Commands not echoed, result codes not sent. | |
|
SCENUM |
Commands not echoed, command prompt not displayed, result codes sent in numeric format. | |
|
COMMUNICATIONS MODE | |
|
Type: |
Configuration |
|
Format: |
[cmds];SNCn;[cmds] |
|
Description: |
Selects the communications mode the modem will operate in. |
|
Command |
Mode |
|
í SNC0 |
Modem operates in asynchronous mode. |
|
SNC1 |
Modem operates in synchronous connect mode and asynchronous off-line command mode. |
|
SNC2 |
Modem operates in synchronous connect mode and auto-dials first stored number on high DTR. |
|
SNC3 |
Modem operates in synchronous connect mode. |
|
COMMUNICATION PROTOCOL | |
|
Type: |
Configuration |
|
Format: |
[cmds];BELLxx;[cmds] |
|
Description: |
Selects the communication protocol for data calls. |
|
Command |
Protocol |
|
BELLOFF |
Use ITU-T protocols. |
|
í BELLON |
Use Bell protocols. |
|
CONNECT MODE | ||
|
Type: |
Configuration | |
|
Format: |
[cmds];SMxxx;[cmds] | |
|
Description: |
Controls the type of connection the modem will make. | |
|
Command |
Function | |
|
í SMNOR |
Normal mode enabled. | |
|
SMDIR |
Direct mode enabled. | |
|
SMREL |
Reliable mode enabled. | |
|
SMAUT |
Auto-reliable mode enabled. | |
|
CONNECT SPEED | ||
|
Type: |
Configuration | |
|
Format: |
[cmds];SBn;[cmds] | |
|
Description: |
Sets the speed the modem will connect at. | |
|
Command |
Function | |
|
SB50 |
Selects 50bps. | |
|
SB75 |
Selects 75bps. | |
|
SB110 |
Selects 110bps. | |
|
SB150 |
Selects 150bps. | |
|
SB300 |
Selects 300bps. | |
|
SB1200 |
Selects 1200bps. | |
|
í SB2400 |
Selects 2400bps. | |
|
DATA CARRIER DETECT (DCD) SIGNAL | |
|
Type: |
Configuration |
|
Format: |
[cmds];S1Cn;[cmds] |
|
Description: |
Controls the behaviour of the DCD signal. |
|
Command |
Function |
|
í S1C0 |
DCD forced high. |
|
S1C1 |
DCD forced high after carrier signal is detected. |
|
S1C2 |
CD forced high except during disconnect. |
|
DATA SET READY (DSR) AND CLEAR TO SEND (CTS) SIGNALS | |
|
Type: |
Configuration |
|
Format: |
[cmds];S1Dn;[cmds] |
|
Description: |
Controls the behaviour of the DSR and CTS signals. |
|
Command |
Function |
|
í S1D0 |
DSR and CTS forced high. |
|
S1D1 |
CTS follows CD. If &C is not set to 1 then DSR also follows CD, otherwise it follows OH. |
|
S1D2 |
DSR and CTS follow CD. |
|
DIAL | |
|
Type: |
Immediate |
|
Format: |
[cmds];D <#> |
|
Description: |
Dials the telephone number indicated 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 |
|
DL |
Re-dial last number. |
|
DNn |
If the dial attempt fails, the modem will attempt to dial stored number n. |
|
DP |
Pulse dialing enabled. |
|
DR |
Answer mode enabled; originate mode disabled following handshake initiation. |
|
DS |
Dial the first stored number. |
|
DT |
Tone dialing enabled. |
|
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 Quiet 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/n |
Dial stored telephone number n. |
|
D; |
Modem returned to command state after dialing. The semicolon can only be placed at the end of the dial command. |
|
DIAL REPEATEDLY | |
|
Type: |
Immediate |
|
Format: |
[cmds];RD <#>;[cmds] |
|
Description: |
Dials the number indicated up to ten times, pausing a few seconds between attempts. |
|
DISPLAY CONFIGURATION - CONNECTION | |
|
Type: |
Immediate |
|
Format: |
[cmds];HELP;[cmds] |
|
Description: |
Displays settings pertaining to the current connection. |
|
DISPLAY CONFIGURATION - CONNECTION | |
|
Type: |
Immediate |
|
Format: |
[cmds];RS3;[cmds] |
|
Description: |
Displays settings pertaining to the current connection. |
|
DISPLAY CONFIGURATION - GENERAL | |
|
Type: |
Immediate |
|
Format: |
[cmds];RS2;[cmds] |
|
Description: |
Displays general settings of the current configuration. |
|
DISPLAY CONFIGURATION - SERIAL PORT | |
|
Type: |
Immediate |
|
Format: |
[cmds];RS;[cmds] |
|
Description: |
Displays settings pertaining to the serial port. |
|
DISPLAY S-REGISTERS | |
|
Type: |
Immediate |
|
Format: |
[cmds];REGS;[cmds] |
|
Description: |
Displays the settings of all S-registers. |
|
DISPLAY STORED NUMBERS | |
|
Type: |
Immediate |
|
Format: |
[cmds];RP;[cmds] |
|
Description: |
Displays all stored phone numbers. |
|
DATA TERMINAL READY (DTR) SIGNAL | |
|
Type: |
Configuration |
|
Format: |
[cmds];SDn;[cmds] |
|
Description: |
Controls the modem’s response to the DTR signal. |
|
Command |
Function |
|
SD0 |
Modem does not respond to DTR. Modem disconnects when receiving a break of over 500ms. |
|
SD1 |
Modem goes to command mode when DTR goes low. |
|
í SD2 |
Modem disconnects when DTR goes low and waits for the user to enter the characters "4 5" to configure the speed and parity of the serial port. |
|
SD3 |
Modem is initialized when DTR goes low and waits for the user to enter the characters "4 5" to configure the speed and parity of the serial port. |
|
ECHO DATA | |
|
Type: |
Configuration |
|
Format: |
[cmds];SDExx;[cmds] |
|
Description: |
Enables modem to echo data received from DTE. |
|
Command |
Function |
|
í SDEOFF |
Data echo disabled |
|
SDEON |
Data echo enabled |
|
ENHANCED DIAL MODE | ||
|
Type: |
Configuration | |
|
Format: |
[cmds];DCxx;[cmds] | |
|
Description: |
Selects whether the modem will use AX enhanced dialing modes. | |
|
Command |
Function | |
|
DCON |
Enhanced dialing enabled. | |
|
DCOFF |
Enhanced dialing disabled. | |
|
ESCAPE SEQUENCE | |
|
Type: |
Immediate |
|
Format: |
<CTRL> -A |
|
Description: |
Initiates the escape sequence and returns the modem to the on-line command state. |
|
Note: |
This character can be changed by the SE command. |
|
ESCAPE SEQUENCE CHARACTER | |
|
Type: |
Configuration |
|
Format: |
[cmds];SEn;[cmds] [cmds];SE/x;[cmds] |
|
Default: |
1 |
|
Range: |
0-127 |
|
Unit: |
1 ASCII character |
|
Description: |
Sets the character used as for the escape sequence; SE0 will disable the escape sequence. With the second form of this command, the user may specify a character, rather than its ASCII value. |
|
FACTORY DEFAULT PROFILE | |
|
Type: |
Configuration |
|
Format: |
[cmds];INIT;[cmds] |
|
Description: |
Resets modem to values found in the factory profile. |
|
FLOW CONTROL - MODEM TO MODEM | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] SFMn [cmds] |
|
Description: |
Selects modem to modem flow control. |
|
Command |
Function |
|
SFM0 |
Flow control disabled. |
|
SFM1 |
Flow control enabled. |
|
FLOW CONTROL TYPE | |
|
Type: |
Configuration |
|
Format: |
[cmds];SF1n;[cmds] |
|
Description: |
Sets type of flow control used by the modem. |
|
Command |
Function |
|
SF10 |
Flow control disabled. |
|
SF11 |
Bidirectional XON/XOFF flow control enabled. |
|
SF12 |
CTS flow control by DCE enabled. |
|
SF13 |
Bidirectional RTS/CTS flow control enabled. |
|
GUARD TONE | |
|
Type: |
Configuration |
|
Format: |
[cmds];SGn;[cmds] |
|
Description: |
Commands the modem to transmit a guard tone. |
|
Command |
Function |
|
í SG0 |
Guard tone disabled |
|
SG1 |
550Hz guard tone enabled |
|
SG2 |
1800Hz guard tone enabled |
|
HANG UP | |
|
Type: |
Immediate |
|
Format: |
[cmds];H;[cmds] |
|
Description: |
Hangs up the line. |
|
INACTIVITY TIMER | |
|
Type: |
Configuration |
|
Format: |
[cmds];SITn;[cmds] |
|
Default: |
0 |
|
Range: |
0-90 |
|
Unit: |
1 minute |
|
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
|
INTERFACE PROTOCOL | ||
|
Type: |
Configuration | |
|
Format: |
[cmds];IPxx;[cmds] | |
|
Description: |
Selects whether the modem will use the Interface Protocol to communicate with the running software package. | |
|
Command |
Function | |
|
í IPOFF |
Interface Protocol disabled. | |
|
IPON |
Interface Protocol enabled. | |
|
LINE TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] SLLxx [cmds] |
|
Description: |
Selects line type. |
|
Command |
Line Type |
|
í SLLOFF |
Switched line. |
|
SLLON |
Leased-line. |
|
LOCAL SERIAL PORT SPEED | ||
|
Type: |
Configuration | |
|
Format: |
[cmds];S1Bn;[cmds] | |
|
Description: |
Sets the speed that the modem will communicate with the DTE. | |
|
Command |
Function | |
|
S1B50 |
Sets the serial port to 50bps. | |
|
S1B75 |
Sets the serial port to 75bps. | |
|
S1B110 |
Sets the serial port to 110bps. | |
|
S1B150 |
Sets the serial port to 150bps. | |
|
S1B300 |
Sets the serial port to 300bps. | |
|
S1B600 |
Sets the serial port to 600bps. | |
|
S1B1200 |
Sets the serial port to 1200bps. | |
|
S1B2400 |
Sets the serial port to 2400bps. | |
|
S1B4800 |
Sets the serial port to 4800bps. | |
|
S1B9600 |
Sets the serial port to 9600bps. | |
|
LOCK SERIAL PORT | |
|
Type: |
Configuration |
|
Format: |
[cmds];BAxx;[cmds] |
|
Description: |
Sets operation of serial port speed. |
|
Command |
Function |
|
í BAOFF |
Serial speed locked. |
|
BAON |
Serial speed follows connect speed. |
|
MICROCOM BANNER | |
|
Type: |
Configuration |
|
Format: |
[cmds];BANxx;[cmds] |
|
Description: |
Selects whether the modem will transmit the Microcom banner to the DTE on reset and initialization. |
|
Command |
Function |
|
BANOFF |
Banner disabled. |
|
í BANON |
Banner enabled. |
|
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
|
Type: |
Configuration |
|
Format: |
[cmds];BLKn;[cmds] |
|
Description: |
Sets the maximum transmittable block size in MNP mode. |
|
Command |
Function |
|
BLK0 |
MNP block size is 64 characters. |
|
BLK1 |
MNP block size is 128 characters. |
|
BLK2 |
MNP block size is 192 characters. |
|
í BLK3 |
MNP block size is 256 characters. |
|
MNP - STREAM/BLOCK MODE | |
|
Type: |
Configuration |
|
Format: |
[cmds];BLxx;[cmds] |
|
Description: |
Selects the transfer mode for MNP links. |
|
Command |
Function |
|
í BLOFF |
Stream mode for MNP enabled. |
|
BLON |
Block mode for MNP enabled. |
|
ON-LINE | |
|
Type: |
Immediate |
|
Format: |
[cmds];E |
|
Description: |
Instructs the modem to return to the on-line state. |
|
ON-LINE WITH RETRAIN | |
|
Type: |
Immediate |
|
Format: |
[cmds];ER |
|
Description: |
Instructs the modem to return to the on-line state and initiate a retrain sequence. |
|
PAUSE DURATION | |
|
Type: |
Configuration |
|
Format |
[cmds];SPTn;[cmds] |
|
Default: |
3 |
|
Range: |
0-255 |
|
Unit: |
1 second |
|
Description: |
Duration of pause per comma (,) command used in a command or dial string. |
|
PULSE DIALING RATIO | |
|
Type: |
Configuration |
|
Format: |
[cmds];SDPn;[cmds] |
|
Description: |
Selects pulse dial make/break ratio. |
|
Command |
Function |
|
í SDP0 |
39/61ms at 10pps (North America). |
|
SDP1 |
33/67ms at 10pps (Europe). |
|
READY TO SEND (RTS) AND CLEAR TO SEND (CTS) SIGNALS | |
|
Type: |
Configuration |
|
Format: |
[cmds];CRTSn;[cmds] |
|
Description: |
Controls the behaviour of the CTS and RTS signals. |
|
Note: |
This command only functions in synchronous mode. |
|
Command |
Function |
|
í CRTS0 |
CTS follows RTS in data mode; RTS is ignored in command mode. |
|
CRTS1 |
CTS forced high, RTS is ignored. |
|
REPORT IDENTIFICATION | |
|
Type: |
Immediate |
|
Format: |
[cmds];ID;[cmds] |
|
Description: |
Reports the product code and firmware revision. |
|
RING INDICATOR (RI) SIGNAL | ||
|
Type: |
Configuration | |
|
Format: |
[cmds];S1Rn;[cmds] | |
|
Description: |
Selects when the RI signal will be cleared from an incoming call. | |
|
Command |
Function | |
|
S1R0 |
RI signal not cleared until the call has disconnected. | |
|
í S1R1 |
RI signal cleared when call is answered. | |
|
SERIAL DATA FORMAT | ||
|
Type: |
Configuration | |
|
Format: |
[cmds];S1Pn;[cmds] | |
|
Description: |
Sets the word size and parity of the serial port. | |
|
Command |
Function | |
|
S1P0 |
7 data bits, odd parity. | |
|
S1P1 |
7 data bits, even parity. | |
|
S1P2 |
7 data bits, MARK parity. | |
|
S1P3 |
7 data bits, SPACE parity. | |
|
í S1P4 |
8 data bits, no parity. | |
|
SOFT RESET | |
|
Type: |
Immediate |
|
Format: |
[cmds];RESET;[cmds] |
|
Description: |
Restores the modem to the configuration previously saved in non-volatile RAM using the &W command. |
|
SPEAKER MODE | |
|
Type: |
Configuration |
|
Format: |
[cmds];SAn;[cmds] |
|
Description: |
Selects various speaker options. |
|
Command |
Function |
|
í SA0 |
Speaker enabled until carrier signal detected. |
|
SA1 |
Speaker enabled. |
|
SA2 |
Speaker disabled. |
|
SA3 |
Speaker enabled following dialing, then disabled after carrier signal detected. |
|
STATUS REGISTERS | |
|
Type: |
Configuration |
|
Format: |
Read: [cmds];Sn?;[cmds] Write: [cmds];Sn=a;[cmds] |
|
Description: |
Writes to or reads from a specified register. |
|
STORE TELEPHONE NUMBER | |
|
Type: |
Configuration |
|
Format: |
[cmds];WPn <#>:xxxx |
|
Description: |
Writes the indicated telephone number into non-volatile memory at location n. The xxxx will be stored as a comment and will not be passed to the dial command. |
|
SWITCH TO OR ACCEPT MNP RELIABLE MODE | |
|
Type: |
Immediate |
|
Format: |
[cmds];SR;[cmds] |
|
Description: |
Requests to convert to MNP reliable mode from normal or direct mode. Also accepts a request to convert to MNP reliable mode. |
|
SWITCH TO MNP RELIABLE MODE | |
|
Type: |
Immediate |
|
Format: |
[cmds];OR;[cmds] |
|
Description: |
Requests to convert to MNP reliable mode from normal or direct mode. |
|
SWITCH TO NORMAL MODE | |
|
Type: |
Immediate |
|
Format: |
[cmds];SN;[cmds] |
|
Description: |
Switches to normal mode from MNP mode. |
|
TEST MODES - TERMINATE | |
|
Type: |
Immediate |
|
Format: |
[cmds];ET;[cmds] |
|
Description: |
Ends the test currently in progress. |
|
TEST MODES - LOCAL ANALOG LOOPBACK | |
|
Type: |
Immediate |
|
Format: |
[cmds];XA;[cmds] |
|
Description: |
Begins a local analog loopback test. |
|
TEST MODES - LOCAL ANALOG LOOPBACK WITH SELF-TEST | |
|
Type: |
Immediate |
|
Format: |
[cmds];YA;[cmds] |
|
Description: |
Begins a local analog loopback with self-test. |
|
TEST MODES - LOCAL DIGITAL LOOPBACK | |
|
Type: |
Immediate |
|
Format: |
[cmds];XL;[cmds] |
|
Description: |
Begins a local digital loopback test. |
|
TEST MODES - REMOTE DIGITAL LOOPBACK REQUEST | |
|
Type: |
Immediate |
|
Format: |
[cmds];RL;[cmds] |
|
Description: |
Requests a remote digital loopback test. |
|
TEST MODES - REMOTE DIGITAL LOOPBACK REQUEST WITH DIAL | |
|
Type: |
Immediate |
|
Format: |
[cmds];XD <#> |
|
Description: |
Dials the indicated number and requests a remote digital loopback test. |
|
TEST MODES - REMOTE DIGITAL LOOPBACK WITH SELF-TEST REQUEST | |
|
Type: |
Immediate |
|
Format: |
[cmds];RLT;[cmds] |
|
Description: |
Requests a remote digital loopback with self-test. |
|
TEST MODES - REMOTE DIGITAL LOOPBACK WITH SELF-TEST REQUEST WITH DIAL | |
|
Type: |
Immediate |
|
Format: |
[cmds];YD <#> |
|
Description: |
Dials the indicated number and requests a remote digital loopback with self-test. |
|
TEST MODES - REMOTE DIGITAL LOOPBACK RESPONSE | ||
|
Type: |
Immediate | |
|
Format: |
[cmds];RLBxx;[cmds] | |
|
Description: |
Selects whether the modem will allow a requested remote digital loopback test. | |
|
Command |
Function | |
|
RLBOFF |
Modem will not allow a remote digital loopback test. | |
|
í RLBON |
Modem will allow a remote digital loopback test. | |
|
XON/XOFF PASS-THROUGH | |
|
Type: |
Configuration |
|
Format: |
[cmds];SXn;[cmds] |
|
Description: |
Selects whether XON/XOFF signals are sent to remote modem. |
|
Command |
Function |
|
í SX0 |
XON/XOFF signals trapped by local modem |
|
SX1 |
XON/XOFF passed through local modem |
|
XON TRANSMIT | |
|
Type: |
Immediate |
|
Format: |
[cmds];CMF;[cmds] |
|
Description: |
Sends an XON character to restart communications after a data character is misinterpreted as an XOFF character. |