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# UNIDENTIFIED
INTERNAL 1/2 CARD MODEM
Modem Type Data (synchronous/asynchronous)/Fax
Maximum Data Rate 9600bps
Maximum Fax Rate 14.4Kbps
Data Bus 8-bit ISA
Fax Class Class 1
Data Modulation Bell 103 & 212A
Protocol
ITU-T V.21, V.22, V.22bis, V.32,
V.32bis
Fax Modulation ITU-T V.17, V27ter, V29
Protocol
Error MNP 1 - 5, ITU-T V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Line-in | CN1 | Line-out | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ADDRESS SELECT |
|------------------------------------------------------------|
| COM/Address | SW1/1 | SW1/2 |
|--------------------+-------------------+-------------------|
| í COM2/2F8h | Off | On |
|--------------------+-------------------+-------------------|
| COM1/3F8h | Off | Off |
|--------------------+-------------------+-------------------|
| COM3/3E8h | On | Off |
|--------------------+-------------------+-------------------|
| COM4/2E8h | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | SW1/3 | SW1/4 |
|--------------------+-------------------+-------------------|
| í IRQ3 | Off | On |
|--------------------+-------------------+-------------------|
| IRQ2 | On | On |
|--------------------+-------------------+-------------------|
| IRQ4 | Off | Off |
|--------------------+-------------------+-------------------|
| IRQ5 | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| %A - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 %A3 <CR> |
|-------------+----------------------------------------------|
| Description | Sets the auto-reliable fall-back ASCII |
| | character. The default is 13. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| %C - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT &Z1 %C0 D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Enables/disables MNP 5 data compression. |
|------------------------------------------------------------|
| Command | Function |
|------------------+-----------------------------------------|
| í %C1 | MNP 5 data compression enabled. |
|------------------+-----------------------------------------|
| %C0 | MNP 5 data compression disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| %E - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] %En [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 %E0 D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Enables/disables the auto-retrain function |
| | for V,22bis and V.32 protocols. |
|------------------------------------------------------------|
| Command | Function |
|-------------------+----------------------------------------|
| í %E1 | Auto-retrain function enabled. |
|-------------------+----------------------------------------|
| %E0 | Auto-retrain function disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| %G - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] %Gn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 %G0 D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Enables/disables the |
| | auto-fall-back/fall-forward function for |
| | V,22bis and V.32 protocols. |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| í %E0 | Auto-fall-back/fall-forward function |
| | disabled. |
|----------------+-------------------------------------------|
| %E1 | Auto-fall-back/fall-forward function |
| | enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \A - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \An D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Sets the limits for the character block |
| | size. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \A - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Command | Function |
|----------+-------------------------------------------------|
| í \A3 | 256 characters. |
|----------+-------------------------------------------------|
| \A0 | 64 characters. |
|----------+-------------------------------------------------|
| \A1 | 128 characters. |
|----------+-------------------------------------------------|
| \A2 | 192 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \B - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Bn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \Bn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Sets the transmit break length from 0 to 900 |
| | in 100ms increments. The default is 0ms (n = |
| | 0). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \C - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Cn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \Cn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Sets the limits for the auto-reliable |
| | buffer. |
|------------------------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \C0 | Auto-reliable buffer disabled. |
|--------------+---------------------------------------------|
| \C1 | Buffers characters for 4 seconds or until |
| | 200 characters are in the buffer. |
|--------------+---------------------------------------------|
| \C2 | Auto-reliable buffer disabled. Modem goes |
| | to normal mode if an auto-reliable |
| | character is received. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \G - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Gn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \Gn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Enables/disables modem port flow control |
|------------------------------------------------------------|
| Command | Function |
|-----------------+------------------------------------------|
| í \G0 | Port flow control disabled. |
|-----------------+------------------------------------------|
| \G1 | XON/XOFF port flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \J - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Jn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \Jn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Enables/disables the serial port data |
| | transfer rate adjustment feature. |
|------------------------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \J0 | Data transfer rate adjustment disabled |
| | (serial port allowable data transfer rate |
| | is constant). |
|--------------+---------------------------------------------|
| \J1 | Data transfer rate adjustment enabled |
| | (serial port data transfer rate depends on |
| | the data transfer rate established in the |
| | connection). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \K - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Kn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \Kn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Sets the remote modem’s response to a break |
| | issued by the local modem. |
|------------------------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \K5 | Local modem in connect state, reliable or |
| | normal mode: |
| \K0, \K2, | |
| \K4 | Nondestructive/non-expedited handling of |
| | buffered data. |
| \K1 | |
| | Remote modem goes into the command mode and |
| \K3 | does not return the break signal. |
| | |
| | Destructive, expedited handling of buffered |
| | data |
| | |
| | Non-destructive/expedited handling of |
| | buffered data. |
|--------------+---------------------------------------------|
| í \K5, \K4 | Local modem in command state, reliable or |
| | normal mode: |
| \K0, \K1 | |
| | Non-destructive/non-expedited handling of |
| \K2, \K3 | buffered data. |
| | |
| | Destructive/expedited handling of buffered |
| | data. |
| | |
| | Non-destructive/expedited handling of |
| | buffered data. |
|--------------+---------------------------------------------|
| í \K5, \K1, | Local modem in connect state, direct mode: |
| \K3 | |
| | Remote modem immediately returns break. |
| \K0, \K2, | |
| \K4 | Remote modem immediately returns break, |
| | then goes into the command state. |
|--------------+---------------------------------------------|
| | Local modem in connect state, normal mode, |
| | break received at modem port, break sent to |
| í \K5, \K4 | serial port: |
| | |
| \K0, \K1 | Non-destructive/non-expedited handling of |
| | buffered data. |
| \K2, \K3 | |
| | Destructive/expedited handling of buffered |
| | data. |
| | |
| | Non-destructive/expedited handling of |
| | buffered data. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \N - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \Nn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Selects the error-correction mode. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| í \N3 | V.42 auto-reliable mode enabled. |
|---------------+--------------------------------------------|
| \N0 | Normal mode enabled. |
|---------------+--------------------------------------------|
| \N1 | Direct mode enabled. |
|---------------+--------------------------------------------|
| \N2 | MNP reliable mode enabled. |
|---------------+--------------------------------------------|
| \N4 | V.42 reliable mode enabled. |
|---------------+--------------------------------------------|
| \N5 | LAPM to normal mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \O - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Immediate |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \O |
|-------------+----------------------------------------------|
| Example: | AT \O <CR> |
|-------------+----------------------------------------------|
| Description | Commands the modem to originate a RELIABLE |
| | link. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \Q - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \Qn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Selects options for serial port flow |
| | control. |
|------------------------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \Q3 | Bi-directional hardware flow control |
| | enabled. |
|--------------+---------------------------------------------|
| \Q0 | Flow control disabled. |
|--------------+---------------------------------------------|
| \Q1 | Bi-directional XON/XOFF flow control |
| | enabled. |
|--------------+---------------------------------------------|
| \Q2 | One-way hardware flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \T - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \Tn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Sets the limit for the inactivity time-out |
| | function in minutes, |
|------------------------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \T0 | Inactivity time-out function disabled. |
|--------------+---------------------------------------------|
| \T(1 to 90) | Sets the time limit (in minutes) at which |
| | the inactivity time-out function is |
| | enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \U - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Immediate |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \U |
|-------------+----------------------------------------------|
| Example: | AT \U <CR> |
|-------------+----------------------------------------------|
| Description | Commands the modem to grant an auto-reliable |
| | link request. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \V - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \Vn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Enables/disables modified result codes. |
|------------------------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \V0 | Normal result code format. |
|--------------+---------------------------------------------|
| \V1 | Append "/ARQ" to verbose CONNECT result |
| | codes during an error-control connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \X - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Xn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 \Xn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Selects the XON/XOFF pass-through mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \X - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Command | Function |
|---------+--------------------------------------------------|
| í \X0 | Process flow control characters only. |
|---------+--------------------------------------------------|
| \X1 | Process flow control characters, then |
| | pass-through to the local or remote modem. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \Y - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Immediate |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Y |
|-------------+----------------------------------------------|
| Example: | AT \Y <CR> |
|-------------+----------------------------------------------|
| Description | Commands the modem to go into the RELIABLE |
| | mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| \Z - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Immediate |
|-------------+----------------------------------------------|
| Format: | AT [cmds] \Z |
|-------------+----------------------------------------------|
| Example: | AT \Z <CR> |
|-------------+----------------------------------------------|
| Description | Commands the modem to go into the NORMAL |
| | mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| -C - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] -Cn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 -Cn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Enables/disables calling tone in data mode. |
|------------------------------------------------------------|
| Command | Function |
|-------------------------+----------------------------------|
| í -C0 | Calling tone disabled. |
|-------------------------+----------------------------------|
| -C1 | Calling tone enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| -J - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] -Jn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 -Jn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Enables/disables the V.42 detect phase. |
|------------------------------------------------------------|
| Command | Function |
|--------------------+---------------------------------------|
| í -J1 | V.42 detect phase enabled. |
|--------------------+---------------------------------------|
| -J0 | V.42 detect phase disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| -V - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Immediate |
|-------------+----------------------------------------------|
| Format: | AT [cmds] -V |
|-------------+----------------------------------------------|
| Example: | AT -V <CR> |
|-------------+----------------------------------------------|
| Description | Commands the modem to display the firmware |
| | version. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| "H - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] "Hn [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 "Hn D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Selects options for V.42bis data |
| | compression. |
|------------------------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í "H3 | V.42bis enabled for both transmission and |
| | reception of data. |
|--------------+---------------------------------------------|
| "H0 | V.42bis disabled. |
|--------------+---------------------------------------------|
| "H1 | V.42bis enabled for transmission of data |
| | only. |
|--------------+---------------------------------------------|
| "H2 | V.42bis enabled for reception of data only. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| "O - PROPRIETARY COMMAND |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------+----------------------------------------------|
| Format: | AT [cmds] "On [cmds] |
|-------------+----------------------------------------------|
| Example: | AT M3 "On D5555555<CR> |
|-------------+----------------------------------------------|
| Description | Sets the limit to the number of characters |
| | in the V.42bis character string. The limit |
| | can include any number from 6 to 250 |
| | characters. The default is 32. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| S14 - PROPRIETARY BIT-MAPPED REGISTER |
|------------------------------------------------------------|
| Value Range: | Bit-mapped |
|---------------------+--------------------------------------|
| Default: | 170 |
|---------------------+--------------------------------------|
| Type: | Read/Write |
|---------------------+--------------------------------------|
| In Stored Profile?: | Yes |
|---------------------+--------------------------------------|
| Description: | Bit-mapped configuration register. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-------------+---------+------------------------------------|
| 0 | í 0 | Not used |
|-------------+---------+------------------------------------|
| 1 | í 1 | Off-line echo enabled (E1). |
| | | |
| | 0 | Off-line echo disabled (E0). |
|-------------+---------+------------------------------------|
| 2 | í 0 | Result codes enabled (Q0). |
| | | |
| | 1 | Result codes disabled (Q1). |
|-------------+---------+------------------------------------|
| 3 | í 1 | Verbose result codes enabled (V1). |
| | | |
| | 0 | Numeric result codes enabled (V0). |
|-------------+---------+------------------------------------|
| 4 | í 0 | Dumb mode disabled. |
| | | |
| | 1 | Dumb mode enabled. |
|-------------+---------+------------------------------------|
| 5 | í 1 | Pulse dialing enabled (P). |
| | | |
| | 0 | Tone dialing enabled (T). |
|-------------+---------+------------------------------------|
| 6 | í 0 | Not used. |
|-------------+---------+------------------------------------|
| 7 | í 1 | Originate mode enabled. |
| | | |
| | 0 | Answer enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| S21 - PROPRIETARY BIT-MAPPED REGISTER |
|------------------------------------------------------------|
| Value Range: | Bit-mapped |
|-----------------+------------------------------------------|
| Default: | 48 |
|-----------------+------------------------------------------|
| Type: | Read/Write |
|-----------------+------------------------------------------|
| In Stored | Yes |
| Profile?: | |
|-----------------+------------------------------------------|
| Description: | Bit-mapped configuration register. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+--------+----------------------------------------|
| 0 | í 0 | Not used. |
|----------+--------+----------------------------------------|
| 1 | í 0 | Not used. |
|----------+--------+----------------------------------------|
| 2 | í 0 | CTS signal follows RTS signal (&R0). |
| | | |
| | 1 | CTS signal follows DCD signal (&R1). |
|----------+--------+----------------------------------------|
| 4,3 | í 10 | Modem hangs up when a DTR signal is |
| | | detected (&D2). |
| | 00 | |
| | | Modem ignores DTR signal (&D0). |
| | 01 | |
| | | Modem switches to command mode when a |
| | 11 | DTR signal is detected (&D1). |
| | | |
| | | Modem resets to defaults when a DTR |
| | | signal is detected (&D3). |
|----------+--------+----------------------------------------|
| 5 | í 1 | DCD enabled when a carrier signal is |
| | | detected, disabled when carrier signal |
| | 0 | is lost (&C1). |
| | | |
| | | DCD enabled (&C0). |
|----------+--------+----------------------------------------|
| 6 | í 0 | DSR enabled (&S0). |
| | | |
| | 1 | DSR enabled at handshake initiation |
| | | and disabled at hang-up initiation |
| | | (&S1). |
|----------+--------+----------------------------------------|
| 7 | í 0 | Long-space disconnect function |
| | | disabled (Y0). |
| | 1 | |
| | | Long-space disconnect function enabled |
| | | (Y1). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| S22 - PROPRIETARY BIT-MAPPED REGISTER |
|------------------------------------------------------------|
| Value Range: | Bit-mapped |
|-----------------+------------------------------------------|
| Default: | 118 |
|-----------------+------------------------------------------|
| Type: | Read/Write |
|-----------------+------------------------------------------|
| In Stored | Yes |
| Profile?: | |
|-----------------+------------------------------------------|
| Description: | Bit-mapped configuration register. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+---------+---------------------------------------|
| 1,0 | í 10 | Speaker set to medium volume (L2). |
| | | |
| | 00 | Not used. |
| | | |
| | 01 | Speaker set to low volume (L1 or L0). |
| | | |
| | 11 | Speaker set to high volume (L3). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| S22 - PROPRIETARY BIT-MAPPED REGISTER |
|------------------------------------------------------------|
| Bit | Value | Function |
|-------+-------+--------------------------------------------|
| 3,2 | í 01 | Speaker enabled while dialing, enabled |
| | | until carrier signal is detected, then |
| | 00 | disabled (M1). |
| | | |
| | 10 | Speaker disabled (M0). |
| | | |
| | 11 | Speaker enabled (M2). |
| | | |
| | | Speaker disabled while dialing, enabled |
| | | until carrier signal is detected, then |
| | | disabled (M3). |
|-------+-------+--------------------------------------------|
| 6,5,4 | í | Full result codes, dial tone wait, and |
| | 111 | busy tone detect enabled (X4). |
| | | |
| | 000 | Basic result codes enabled, blind dialing |
| | | only (X0). |
| | 001 | |
| | | Not used. |
| | 010 | |
| | | Not used. |
| | 011 | |
| | | Not used. |
| | 100 | |
| | | Full result codes enabled, blind dialing |
| | 101 | only (X1). |
| | | |
| | 110 | Full result codes and dial tone wait |
| | | enabled (X2). |
| | | |
| | | Full result codes enabled, blind dialing |
| | | only, busy tone detect enabled (X3). |
|-------+-------+--------------------------------------------|
| 7 | í 0 | 39/61 make/break ratio enabled (&P0). |
| | | |
| | 1 | 33/67 make/break ratio enabled (&P1). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| S23 - PROPRIETARY BIT-MAPPED REGISTER |
|------------------------------------------------------------|
| Value Range: | Bit-mapped |
|-----------------+------------------------------------------|
| Default: | 15 |
|-----------------+------------------------------------------|
| Type: | Read/Write |
|-----------------+------------------------------------------|
| In Stored | Yes |
| Profile?: | |
|-----------------+------------------------------------------|
| Description: | Bit-mapped configuration register. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+--------+---------------------------------------|
| 0 | í 1 | Grant remote loopback request (&T4). |
| | | |
| | 0 | Ignore remote loopback request (&T5). |
|-----------+--------+---------------------------------------|
| 3,2,1 | í 111 | 38.4Kbps or 57.6Kbps data rate |
| | | enabled. |
| | 000 | |
| | | 0 - 600bps data rate enabled. |
| | 010 | |
| | | 2400bps data rate enabled. |
| | 011 | |
| | | 4800bps data rate enabled. |
| | 100 | |
| | | 7200bps data rate enabled. |
| | 101 | |
| | | 9600bps or 14.4Kbps data rate |
| | 110 | enabled. |
| | | |
| | | 19.2Kbps data rate enabled. |
|-----------+--------+---------------------------------------|
| 5,4 | í 00 | Even parity enabled. |
| | | |
| | 01 | Space parity enabled. |
| | | |
| | 10 | Odd parity enabled. |
| | | |
| | 11 | Parity disabled. |
|-----------+--------+---------------------------------------|
| 7,6 | í 00 | Guard tone disabled (&G0). |
| | | |
| | 01 | 550Hz guard tone enabled (&G1). |
| | | |
| | 10 | 1800Hz guard tone enabled (&G2). |
| | | |
| | 11 | Not used. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| S27 - PROPRIETARY BIT-MAPPED REGISTER |
|------------------------------------------------------------|
| Value Range: | Bit-mapped |
|-----------------+------------------------------------------|
| Default: | 0 |
|-----------------+------------------------------------------|
| Type: | Read/Write |
|-----------------+------------------------------------------|
| In Stored | Yes |
| Profile?: | |
|-----------------+------------------------------------------|
| Description: | Bit-mapped configuration register. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 1,0 | í 00 | Asynchronous mode enabled (&Q0). |
| | | |
| | 01 | Synchronous connect mode and |
| | | asynchronous off-line command mode |
| | 10 | enabled (&Q1). |
| | | |
| | 11 | Synchronous connect mode and |
| | | asynchronous off-line command mode |
| | | enabled (&Q1). |
| | | |
| | | Synchronous mode enabled. |
|----------+-------+-----------------------------------------|
| 2 | í 0 | Switched network line mode enabled |
| | | (&L0). |
| | 1 | |
| | | Leased-line mode enabled (&L1). |
|----------+-------+-----------------------------------------|
| 3 | í 0 | Not used. |
|----------+-------+-----------------------------------------|
| 5,4 | í 00 | Transmit clock generated by the modem |
| | | (&X0). |
| | 01 | |
| | | DTE generates clock (&X1). |
| | 10 | |
| | | Modem generates clock from the receive |
| | 11 | carrier signal (&X2). |
| | | |
| | | Not used. |
|----------+-------+-----------------------------------------|
| 6 | í 0 | CCITT V.22 protocol enabled (B0). |
| | | |
| | 1 | Bell 212A protocol enabled (B1). |
|----------+-------+-----------------------------------------|
| 7 | í 0 | Not used. |
+------------------------------------------------------------+