(TXT) View Source
# 3COM CORPORATION
COURIER HST WITH ASL
Modem Type Data (synchronous/asynchronous)
Maximum Data Rate 14.4Kbps
Data Bus External
Data Modulation Protocol Bell 103A/212A
ITU-T V.22, V.22bis, V.23
Error Correction/Compression MNP5, V.42, V.42bis
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Line out | CN1 | DC power | CN4 |
|------------------+----------+-------------------+----------|
| Line in | CN2 | Volume | R1 |
|------------------+----------+-------------------+----------|
| RS-232/422 | CN3 | Power switch | SW2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MI/MIC POLARITY |
|------------------------------------------------------------|
| Setting | J6 | J8 |
|------------------+--------------------+--------------------|
| » Normal | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Reversed | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TX/RX PIN ASSIGNMENT |
|------------------------------------------------------------|
| Setting | SW3 |
|-------------------------------+----------------------------|
| Normal operation | » Off |
|-------------------------------+----------------------------|
| Reverse TX/RX pin assignments | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR SIGNAL |
|------------------------------------------------------------|
| Setting | SW1/1 |
|-------------------------------+----------------------------|
| DTR forced high | On |
|-------------------------------+----------------------------|
| » DTR normal | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES |
|------------------------------------------------------------|
| Setting | SW1/2 |
|--------------------------------+---------------------------|
| » Verbose result codes enabled | Off |
|--------------------------------+---------------------------|
| Numeric result codes enabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES DISPLAY |
|------------------------------------------------------------|
| Setting | SW1/3 |
|-------------------------------+----------------------------|
| » Display enabled | On |
|-------------------------------+----------------------------|
| Display disabled | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ECHO COMMANDS DISPLAY |
|------------------------------------------------------------|
| Setting | SW1/4 |
|-------------------------------+----------------------------|
| » Local echo enabled | Off |
|-------------------------------+----------------------------|
| Local echo disabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO ANSWER |
|------------------------------------------------------------|
| Setting | SW1/5 |
|-------------------------------------+----------------------|
| » Modem answers on first ring | On |
|-------------------------------------+----------------------|
| Modem does not answer on first ring | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CARRIER DETECT |
|------------------------------------------------------------|
| Setting | SW1/6 |
|-------------------------------+----------------------------|
| » CD normal | Off |
|-------------------------------+----------------------------|
| CD forced high | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES DISPLAY |
|------------------------------------------------------------|
| Setting | SW1/7 |
|----------------------------------------------------+-------|
| » Display result codes in originate and answer | Off |
| modes | |
|----------------------------------------------------+-------|
| Display result codes in Answer mode | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AT COMMAND SET |
|------------------------------------------------------------|
| Setting | SW1/8 |
|-------------------------------+----------------------------|
| » AT command set enabled | On |
|-------------------------------+----------------------------|
| AT command set disabled | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ESCAPE CODE |
|------------------------------------------------------------|
| Setting | SW1/9 |
|---------+--------------------------------------------------|
| » Off | Disconnect, go to command mode and display NO |
| | CARRIER when escape character is received |
|---------+--------------------------------------------------|
| On | Go to command mode and display OK result code |
| | when escape character is received |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER PROFILE |
|------------------------------------------------------------|
| Setting | SW1/10 |
|----------------------------+-------------------------------|
| » Off | Use stored profile |
|----------------------------+-------------------------------|
| On | Use factory default |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE/DATA |
|------------------------------------------------------------|
| Setting | SW4 |
|------------------------------------------------------------|
| Note: for switch functions see table for register S32. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+----------+-----------------------------------|
| HS | Red | On | Modem is operating at 4800bps or |
| | | | faster |
|-----+-------+----------+-----------------------------------|
| HS | Red | Off | Modem is operating at slower than |
| | | | 4800bps |
|-----+-------+----------+-----------------------------------|
| AA | Red | On | Auto-answer enabled |
|-----+-------+----------+-----------------------------------|
| AA | Red | Off | Auto-answer disabled |
|-----+-------+----------+-----------------------------------|
| CD | Red | On | Carrier signal detected |
|-----+-------+----------+-----------------------------------|
| CD | Red | Off | Carrier signal not detected |
|-----+-------+----------+-----------------------------------|
| OH | Red | On | Modem is off-hook |
|-----+-------+----------+-----------------------------------|
| OH | Red | Off | Modem is on-hook |
|-----+-------+----------+-----------------------------------|
| RD | Red | Blinking | Modem is receiving data |
|-----+-------+----------+-----------------------------------|
| RD | Red | Off | Modem is not receiving data |
|-----+-------+----------+-----------------------------------|
| TD | Red | Blinking | Modem is transmitting data |
|-----+-------+----------+-----------------------------------|
| TD | Red | Off | Modem is not transmitting data |
|-----+-------+----------+-----------------------------------|
| TR | Red | On | DTR signal is high |
|-----+-------+----------+-----------------------------------|
| TR | Red | Off | DTR signal is low |
|-----+-------+----------+-----------------------------------|
| MR | Red | On | Power is on |
|-----+-------+----------+-----------------------------------|
| MR | Red | Off | Power is off |
|-----+-------+----------+-----------------------------------|
| MR | Red | Blinking | Retraining/test mode |
|-----+-------+----------+-----------------------------------|
| RS | Red | On | RTS signal is high |
|-----+-------+----------+-----------------------------------|
| RS | Red | Off | RTS signal is low |
|-----+-------+----------+-----------------------------------|
| CS | Red | On | CTS signal is high |
|-----+-------+----------+-----------------------------------|
| CS | Red | Off | CTS signal is low |
|-----+-------+----------+-----------------------------------|
| EC | Red | On | Error control enabled |
|-----+-------+----------+-----------------------------------|
| EC | Red | Off | Error control disabled |
|-----+-------+----------+-----------------------------------|
| EC | Red | Blinking | Modem is retransmitting data |
|-----+-------+----------+-----------------------------------|
| SYN | Red | On | Synchronous mode |
|-----+-------+----------+-----------------------------------|
| SYN | Red | Off | Asynchronous mode |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S13 |
|------------------------------------------------------------|
| Format | AT [cmds] S13=n [cmds] |
|---------------+--------------------------------------------|
| Example: | ATS13=139<CR> |
|---------------+--------------------------------------------|
| Default: | 0 |
|---------------+--------------------------------------------|
| Range: | 0 - 255 |
|---------------+--------------------------------------------|
| Unit: | Bit-mapped |
|---------------+--------------------------------------------|
| Description: | Controls DTR reset, DTR dialing, auto |
| | answer, result code delay, reset dialing, |
| | HST and MNP3. |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+-------+------------------------------------------|
| 0 | » 0 1 | DTR normal. |
| | | |
| | | Reset on low DTR. |
|---------+-------+------------------------------------------|
| 1 | » 0 1 | Auto answer operation normal. |
| | | |
| | | When ring detected, enter originate mode |
| | | and listen for answer tone. |
|---------+-------+------------------------------------------|
| 2 | » 0 1 | Pause 250 msec. before displaying result |
| | | codes. |
| | | |
| | | Display result codes immediately. |
|---------+-------+------------------------------------------|
| 3 | » 0 1 | DTR dialing disabled. |
| | | |
| | | DTR dialing enabled. |
|---------+-------+------------------------------------------|
| 4 | » 0 1 | Reset dialing disabled. |
| | | |
| | | Reset dialing enabled. |
|---------+-------+------------------------------------------|
| 5 | » 0 1 | HST enabled. |
| | | |
| | | HST disabled. |
|---------+-------+------------------------------------------|
| 6 | » 0 1 | MNP 3 enabled. |
| | | |
| | | MNP 3 disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S15 |
|------------------------------------------------------------|
| Format: | AT [cmds] S15=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS15=139<CR> |
|----------------+-------------------------------------------|
| Default: | 0 |
|----------------+-------------------------------------------|
| Range: | 0 - 127 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Controls HST high frequency equalization, |
| | online fallback, back channel, |
| | non-error-correcting mode buffer, MNP4, |
| | and BS/DEL switch and MNP compliance |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 0 | » 0 1 | HST high frequency equalization |
| | | enabled. |
| | | |
| | | HST high frequency equalization |
| | | disabled. |
|----------+-------+-----------------------------------------|
| 1 | » 0 1 | Online fallback enabled. |
| | | |
| | | Online fallback disabled. |
|----------+-------+-----------------------------------------|
| 2 | » 0 1 | 450bps back channel enabled. |
| | | |
| | | 450bps back channel disabled. |
|----------+-------+-----------------------------------------|
| 3 | » 0 1 | Non-error-correcting mode transmit |
| | | buffer set to 1.5KB. |
| | | |
| | | Non-error-correcting mode transmit |
| | | buffer set to 128 bytes. |
|----------+-------+-----------------------------------------|
| 4 | » 0 1 | MNP 4 enabled. |
| | | |
| | | MNP 4 disabled. |
|----------+-------+-----------------------------------------|
| 5 | » 0 1 | Use backspace key for delete disabled. |
| | | |
| | | Use backspace key for delete enabled. |
|----------+-------+-----------------------------------------|
| 6 | » 0 1 | MNP normal. |
| | | |
| | | MNP adjusted for non compliant modems. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format: | AT [cmds] S27=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS27=139<CR> |
|-----------------+------------------------------------------|
| Default: | 0 |
|-----------------+------------------------------------------|
| Range: | 0 - 191 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls V.21, V.42 answer tone and |
| | handshake, and 9600 result codes. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+--------+---------------------------------------|
| 0 | » 0 1 | V.21 disabled. |
| | | |
| | | V.21 enabled. |
|-----------+--------+---------------------------------------|
| 1 | » 0 | Not used. |
|-----------+--------+---------------------------------------|
| 2 | » 0 | Not used. |
|-----------+--------+---------------------------------------|
| 3 | » 0 1 | 2100Hz answer tone enabled. |
| | | |
| | | 2100Hz answer tone disabled. |
|-----------+--------+---------------------------------------|
| 5, 4 | » 00 | V.42 detect, LAPM and MNP enabled. |
| | 01 10 | |
| | 11 | V.42 detect and LAPM enabled. |
| | | |
| | | MNP enabled. |
| | | |
| | | LAPM enabled. |
|-----------+--------+---------------------------------------|
| 6 | » 0 | Not used. |
|-----------+--------+---------------------------------------|
| 7 | » 0 1 | Actual result codes displayed. |
| | | |
| | | Force 9600 result codes. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK LENGTH |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S21=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS21=20<CR> |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | Unidentified |
|--------------+---------------------------------------------|
| Unit: | 10 ms |
|--------------+---------------------------------------------|
| Description: | Sets the length of error control mode |
| | breaks sent from DCE to DTE. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Yn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &Y0<CR> |
|--------------+---------------------------------------------|
| Description: | Configures action of break signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &Y0 | Break empties buffer. |
|--------------+---------------------------------------------|
| » &Y1 | Break empties buffer and is sent |
| | immediately. |
|--------------+---------------------------------------------|
| &Y2 | Break does not empty buffer and is sent |
| | immediately. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &K1<CR> |
|--------------+---------------------------------------------|
| Description: | Controls data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Data compression disabled. |
|--------------+---------------------------------------------|
| &K1 | Data compression disabled when serial port |
| | is locked. |
|--------------+---------------------------------------------|
| &K2 | Data compression enabled. |
|--------------+---------------------------------------------|
| &K3 | MNP 5 disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTION SPEED UPPER LIMIT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Nn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &N1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Sets required connection speed if &U is set |
| | to 0. Otherwise, sets fastest allowed |
| | connection speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » &N0 | Variable. |
|--------------+---------------------------------------------|
| &N1 | 300bps |
|--------------+---------------------------------------------|
| &N2 | 1200bps |
|--------------+---------------------------------------------|
| &N3 | 2400bps |
|--------------+---------------------------------------------|
| &N4 | 4800bps |
|--------------+---------------------------------------------|
| &N5 | 7200bps |
|--------------+---------------------------------------------|
| &N6 | 9600bps |
|--------------+---------------------------------------------|
| &N7 | 12Kbps |
|--------------+---------------------------------------------|
| &N8 | 14.4Kbps |
|--------------+---------------------------------------------|
| &N9 | 16.8Kbps |
|--------------+---------------------------------------------|
| &N10 | 19.2Kbps |
|--------------+---------------------------------------------|
| &N11 | 21.6Kbps |
|--------------+---------------------------------------------|
| &N12 | 24Kbps |
|--------------+---------------------------------------------|
| &N13 | 26.4Kbps |
|--------------+---------------------------------------------|
| &N14 | 28.8Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &An [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &A1 %C1<CR> |
|--------------+---------------------------------------------|
| Description: | Selects extended result codes. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &A0 | Extended result codes disabled. |
|--------------+---------------------------------------------|
| &A1 | ARQ result codes enabled. |
|--------------+---------------------------------------------|
| » &A3 | Error control and compression result codes |
| | enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XON |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S22=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS22=20<CR> |
|--------------+---------------------------------------------|
| Default: | 17 |
|--------------+---------------------------------------------|
| Range: | 11-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XON. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XOFF |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S23=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS23=20<CR> |
|--------------+---------------------------------------------|
| Default: | 19 |
|--------------+---------------------------------------------|
| Range: | 11-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XOFF. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL PASSTHROUGH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &In [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &I0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Allows modem to act on, then transmit |
| | XON/XOFF characters. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » &I0 | Software flow control disabled. |
|--------------+---------------------------------------------|
| &I1 | XON/XOFF passthrough enabled. |
|--------------+---------------------------------------------|
| &I2 | XON/XOFF passthrough disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Hn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &H0 A<CR> |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &H0 | Flow control disabled. |
|--------------+---------------------------------------------|
| » &H1 | CTS/RTS flow control enabled. |
|--------------+---------------------------------------------|
| &H2 | XON/XOFF flow control enabled. |
|--------------+---------------------------------------------|
| &H3 | CTS/RTS and XON/XOFF flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HELP SCREENS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT <prefix>$ |
|--------------+---------------------------------------------|
| Example: | AT &$<CR> |
|--------------+---------------------------------------------|
| Description: | Shows command help screens for all commands |
| | beginning with the given prefix, or no |
| | prefix if none is given. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| $ | Shows ATx help screen. |
|--------------+---------------------------------------------|
| &$ | Shows AT&x help screen. |
|--------------+---------------------------------------------|
| D$ | Shows ATDx help screen. |
|--------------+---------------------------------------------|
| S$ | Shows S-register help screen. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S19=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS19=20<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | Unidentified |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NETWORK ACCESS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Rn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %R1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Used with USR network management system. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » %R0 | Network access disabled. |
|--------------+---------------------------------------------|
| %R1 | Network access enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPEAT COMMAND STRING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] > [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *D1 > #E1<CR> |
|--------------+---------------------------------------------|
| Description: | Causes modem to repeat command string until |
| | a keyboard key is pressed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Example: | AT I1 O<CR> |
|--------------+---------------------------------------------|
| Description: | Displays modem properties. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code. |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum result. |
|--------------+---------------------------------------------|
| I2 | Reports RAM checksum result. |
|--------------+---------------------------------------------|
| I3 | Reports firmware version. |
|--------------+---------------------------------------------|
| I4 | Reports current command settings. |
|--------------+---------------------------------------------|
| I5 | Reports current NVRAM settings. |
|--------------+---------------------------------------------|
| I6 | Reports current connection’s statistics. |
|--------------+---------------------------------------------|
| I7 | Reports configuration. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STATUS REGISTER BIT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | Read: AT [cmds] Sn.m=0 or 1 [cmds] |
| | |
| | Write: AT [cmds] Sn.m=? [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S40.4=1 S51.3?<CR> |
|--------------+---------------------------------------------|
| Description: | Sets/clears or reads bit m of register n. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TESTING |
|------------------------------------------------------------|
| Format | AT [cmds] S16=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS16=32<CR> |
|-----------------+------------------------------------------|
| Default: | 0 |
|-----------------+------------------------------------------|
| Range: | 0 - 15 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Enables loopback tests. |
|-----------------+------------------------------------------|
| Note: | Bit 3 is read-only. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+--------+----------------------------------------|
| 0 | » 0 1 | Analog loopback test disabled. |
| | | |
| | | Analog loopback test enabled. |
|----------+--------+----------------------------------------|
| 1 | » 0 1 | Dial test disabled. |
| | | |
| | | Dial test enabled. |
|----------+--------+----------------------------------------|
| 2 | » 0 1 | Test pattern disabled. |
| | | |
| | | Test pattern enabled. |
|----------+--------+----------------------------------------|
| 3 | » 0 1 | Remote digital loopback test disabled. |
| | | |
| | | Remote digital loopback test enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TIME DISPLAY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Kn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT K1 *L2 #E1<CR> |
|--------------+---------------------------------------------|
| Description: | Displays the current call time or clock |
| | time. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| K0 | Display length of last call. |
|--------------+---------------------------------------------|
| K1 | Display actual time. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TOUCH TONE RECOGNITION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Tn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %T &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls recognition of touch tones while |
| | off hook. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %T | Enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT MAPPED REGISTER S34 |
|------------------------------------------------------------|
| Format: | AT [cmds] S34=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS34=139<CR> |
|----------------+-------------------------------------------|
| Default: | 0 |
|----------------+-------------------------------------------|
| Range: | 0 - 56 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Controls V.23, MR LED function and |
| | MI/MIC. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------------+-----------------------------------|
| 3 | » 0 1 | V.23 disabled. |
| | | |
| | | V.23 enabled. |
|----------+-------------+-----------------------------------|
| 4 | » 0 1 | MR LED normal. |
| | | |
| | | MR LED reflects DSR signal. |
|----------+-------------+-----------------------------------|
| 5 | » 0 1 | MI/MIC disabled. |
| | | |
| | | MI/MIC enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE/DATA SWITCH |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S32=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS32=6<CR> |
|--------------+---------------------------------------------|
| Default: | 1 |
|--------------+---------------------------------------------|
| Unit: | 1-7 |
|--------------+---------------------------------------------|
| Description: | Controls the function of SW4. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| 0 | Disabled. |
|--------------+---------------------------------------------|
| 1 | Switch between voice and originate mode. |
|--------------+---------------------------------------------|
| 2 | Switch between voice and answer mode. |
|--------------+---------------------------------------------|
| 3 | Redial. |
|--------------+---------------------------------------------|
| 4 | Dial number stored at position 0. |
|--------------+---------------------------------------------|
| 5 | Enable and disable Auto Answer. |
|--------------+---------------------------------------------|
| 6 | Reset. |
|--------------+---------------------------------------------|
| 7 | Start remote digital loopback test. |
+------------------------------------------------------------+