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# COMPAQ COMPUTER CORPORATION
NETELLIGENT 56K ISA FAX MODEM
Card Type Modem/Fax card
Chip Set Unidentified
I/O Options Line in, phone out
Maximum Modem Rate 56Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A/212A
Protocol
ITU-T V34, V.32bis, V.32, V.22bis,
V.23, V.22, V.21
Fax Modulation ITU-T V.17, V.27ter, V.29, V.21, EIA
Protocol T-30
Error MNP5, MNP10, V.42, V.42bis
Correction/Compression
Fax Class Class I
Data Bus 16-bit ISA
Card Size Half-length
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | Phone in | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PLUG & PLAY |
|------------------------------------------------------------|
| Setting |JP3/A |JP3/B |JP3/C | JP3/D |JP3/E |
|----------------------+------+------+------+---------+------|
| Plug and play mode | Open | Open |Closed| Closed |Closed|
| enabled | | | | | |
|----------------------+------+------+------+---------+------|
| Plug and play mode |Closed|Closed| Open | Open| Open |
| disabled/legacy mode | | | | | |
| enabled | | | | | |
|------------------------------------------------------------|
|Note: When in plug & play mode, jumpers must be removed from|
|JP1 and JP2. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS |
|------------------------------------------------------------|
| Setting | JP1/A | JP1/B | JP1/C | JP1/D |
|--------------------+---------+---------+---------+---------|
| COM1 (3F8h) | Open | Open | Open | Closed |
|--------------------+---------+---------+---------+---------|
| í COM2 (2F8h) | Open | Open | Closed | Open |
|--------------------+---------+---------+---------+---------|
| COM3 (3E8h) | Open | Closed | Open | Open |
|--------------------+---------+---------+---------+---------|
| COM4 (2E8h) | Closed | Open | Open | Open |
+------------------------------------------------------------+
+----------------------------------------------------------------------+
| INTERRUPT |
|----------------------------------------------------------------------|
|Setting|JP2/A |JP2/B |JP2/C |JP2/D |JP2/E |JP2/F |JP2/G |JP2/H |JP2/I |
|-------+------+------+------+------+------+------+------+------+------|
| IRQ3 |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| IRQ4 | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| IRQ5 | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| IRQ7 | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| IRQ9 | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| IRQ10 | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| IRQ11 | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| IRQ12 | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-------+------+------+------+------+------+------+------+------+------|
| IRQ15 | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
+----------------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, A/ |
|------------------------------------------------------------|
| A, E, H, O, Q, R, V, W, Y, Z |
|------------------------------------------------------------|
| &C, &P, &V, &W, &Y |
|------------------------------------------------------------|
| \K, \N |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| %C, %E, %L |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S14, S16, S18, S21, S22, S23, S24, S25 |
|------------------------------------------------------------|
| S26, S27, S28, S29, S30, S31, S32, S33, S36, S38, S39, |
| S40, S41, S46, S48, S82, S91, S92, S95 |
|------------------------------------------------------------|
| |
|------------------------------------------------------------|
| Special Commands |
|------------------------------------------------------------|
| +MS |
|------------------------------------------------------------|
| Note: See MHI Help File for full command documentation. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports four digit product code |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Reports results of RAM self test |
|--------------+---------------------------------------------|
| I3 | Reports firmware revision level |
|--------------+---------------------------------------------|
| I4 | Reports OEM-defined identifier string |
|--------------+---------------------------------------------|
| I5 | Reports country code |
|--------------+---------------------------------------------|
| I6 | Reports modem data pump model |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER VOLUME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speaker volume |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| L0 | Low volume setting |
|--------------+---------------------------------------------|
| í L1 | Low volume setting |
|--------------+---------------------------------------------|
| L2 | Medium volume setting |
|--------------+---------------------------------------------|
| L3 | Highest volume setting |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects various speaker options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| M0 | Speaker disabled |
|--------------+---------------------------------------------|
| í M1 | Speaker enabled until carrier signal |
| | detected |
|--------------+---------------------------------------------|
| M2 | Speaker enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-MODE DETECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects various options for the automatic |
| | detection and negotiation of protocols |
| | during the handshake process if the modem |
| | is communicating with a remote modem of |
| | dissimilar speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| N0 | Handshake begins at line speed designated |
| | by the S37 register. |
|--------------+---------------------------------------------|
| N1 | Handshake at any speed supported by both |
| | modems. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SELECT CALL PROGRESS RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Xn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables selection of tone detection and |
| | associated result code format options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| X0 | Busy tone detection disabled; result codes |
| | 0 - 5 enabled. |
|--------------+---------------------------------------------|
| X1 | Busy tone detection disabled; result codes |
| | 0 - 6 enabled. |
|--------------+---------------------------------------------|
| X2 | Busy tone detection disabled,; result codes |
| | 0 - 8 enabled |
|--------------+---------------------------------------------|
| X3 | Busy tone detection enabled; result codes |
| | 0-8 enabled |
|--------------+---------------------------------------------|
| X4 | Busy tone detection enabled; sends all |
| | messages. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|---------------+--------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|---------------+--------------------------------------------|
| Description: | Selects modem response to DTR |
|------------------------------------------------------------|
| Note: The action each variant of &D causes depends on |
| the setting of &Q |
|------------------------------------------------------------|
| &Q Setting | &D0 | &D1 | &D2 | &D3 |
|------------------+---------+---------+---------+-----------|
| &Q0, &Q5, &Q6 | NONE | Command | Command | Command 4 |
| | | 2 | 3 | |
|------------------+---------+---------+---------+-----------|
| &Q1, &Q4 | Command | Command | Command | Command 4 |
| | 1 | 2 | 3 | |
|------------------+---------+---------+---------+-----------|
| &Q2, &Q3 | Command | Command | Command | Command 3 |
| | 3 | 3 | 3 | |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| Command 0 | Modem does not respond to DTR |
|---------------+--------------------------------------------|
| Command 1 | Modem goes to command mode after DTR goes |
| | is off |
|---------------+--------------------------------------------|
| Command 2 | Modem goes to command mode and disconnects |
| | (hangs up) after DTR goes off; Auto-Answer |
| | is disabled. |
|---------------+--------------------------------------------|
| Command 3 | Modem is initialized after DTR goes off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY DEFAULT PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &F [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets values in active profile to values |
| | found in the default profile |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &F0 | Sets values to factory configuration 0 |
|--------------+---------------------------------------------|
| &F1 | Sets values to factory configuration 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| í &K3 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| &K4 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K5 | Transparent XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K6 | Unidirectional XON/XOFF flow control |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode options |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| &Q0 | Asynchronous mode, serial port speed |
| | follows connect speed. |
|--------------+---------------------------------------------|
| í &Q5 | Error correction mode |
|--------------+---------------------------------------------|
| &Q6 | Buffered asynchronous mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RECEIVE DATA |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects RTS options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &R0 | Not supported |
|--------------+---------------------------------------------|
| í &R1 | CTS will drop if required by flow control |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &S0 | DSR forced high |
|--------------+---------------------------------------------|
| &S1 | DSR high only while modem is handshaking or |
| | connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Tn |
|--------------+---------------------------------------------|
| Description: | Selects test options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &T0 | End current test |
|--------------+---------------------------------------------|
| &T1 | Begin local analog loopback test |
|--------------+---------------------------------------------|
| &T4 | Grant remote digital loopback request |
|--------------+---------------------------------------------|
| í &T5 | Deny remote digital loopback request |
|--------------+---------------------------------------------|
| &T6 | Request remote digital loopback |
|--------------+---------------------------------------------|
| &T7 | Request remote digital loopback and |
| | self-test |
|--------------+---------------------------------------------|
| &T8 | Begin local analog loopback and self-test |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE TELEPHONE NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Zn=(phone #) |
|--------------+---------------------------------------------|
| Description: | Writes selected telephone numbers into the |
| | non-volatile memory at location n |
|------------------------------------------------------------|
| Note: Telephone numbers can include up to 34 |
| characters. |
+------------------------------------------------------------+
EXTENDED AT COMMANDS
+------------------------------------------------------------+
| BREAK TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|---------------------+--------------------------------------|
| Format: | AT [cmds] \Kn [cmds] |
|---------------------+--------------------------------------|
| Description: | Configures action of break signal |
|------------------------------------------------------------|
| Command | Break from | Break received | Break from DTE |
| | DTE during | from remote | during DIRECT |
| | NORMAL or | modem during | mode |
| | MNP mode | NORMAL mode | |
|-----------+--------------+----------------+----------------|
| \K0 | Online | Buffers | Send break to |
| | command mode | cleared, break | remote modem, |
| | enabled, | sent to DTE | online command |
| | send no | | mode enabled |
| | break to | | |
| | remote modem | | |
|-----------+--------------+----------------+----------------|
| \K1 | Break sent | Buffers | Send break to |
| | to remote | cleared, break | remote modem, |
| | modem and | sent to DTE | online command |
| | buffered | | mode enabled |
| | cleared | | |
|-----------+--------------+----------------+----------------|
| \K2 | Online | Break sent | Send break to |
| | command mode | immediately to | remote modem |
| | enabled, | DTE | |
| | send no | | |
| | break to | | |
| | remote modem | | |
|-----------+--------------+----------------+----------------|
| \K3 | Send break | Break sent | Send break to |
| | to remote | immediately to | remote modem, |
| | modem | DTE | online command |
| | immediately | | mode enabled |
|-----------+--------------+----------------+----------------|
| \K4 | Online | Break sent | Send break to |
| | command mode | with received | remote modem |
| | enabled, | data to the | |
| | send no | DTE | |
| | break to | | |
| | remote modem | | |
|-----------+--------------+----------------+----------------|
| \K5 | Send break | Break sent | Send break to |
| | with | with received | remote modem |
| | transmitted | data to the | |
| | data | DTE | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled |
|--------------+---------------------------------------------|
| \N2 | Reliable mode enabled |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N4 | LAPM reliable mode enabled |
|--------------+---------------------------------------------|
| \N5 | MNP reliable mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MESSAGES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the operating mode the modem uses |
| | while connected |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \V0 | Connect messages are controlled by command |
| | settings X, W, and S95 |
|--------------+---------------------------------------------|
| \V1 | Connect messages are displayed in single |
| | line format |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SIGNAL QUALITY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Q [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | -1 dBm |
|--------------+---------------------------------------------|
| Description: | Returns a value which indicates line signal |
| | quality |
|------------------------------------------------------------|
| Note: Values 0-7 indicate no retrain. 8-255 retrain |
| performed if enabled by %E1 |
+------------------------------------------------------------+
S(STATUS) -REGISTERS
+------------------------------------------------------------+
| AUTOSYNC |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S19=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets Auto-Sync options |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTOSYNC HDLC |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S20=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets Auto-Sync HDLC addresses |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCE LINE SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S37=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum allowable data exchange |
| | rate attempted during handshake process. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S37=0 | Speed of last connection |
|--------------+---------------------------------------------|
| S37=1 | 300bps |
|--------------+---------------------------------------------|
| S37=2 | 300bps |
|--------------+---------------------------------------------|
| S37=3 | 300bps |
|--------------+---------------------------------------------|
| S37=4 | Reserved |
|--------------+---------------------------------------------|
| S37=5 | V.22 1200bps |
|--------------+---------------------------------------------|
| S37=6 | V.22bis 2400bps |
|--------------+---------------------------------------------|
| S37=7 | V.23 |
|--------------+---------------------------------------------|
| S37=8 | V.32/V.32bis 4800bps |
|--------------+---------------------------------------------|
| S37=9 | V.32/V.32bis 9600bps |
|--------------+---------------------------------------------|
| S37=10 | V.32bis 12.0Kbps |
|--------------+---------------------------------------------|
| S37=11 | V.32bis 14.4Kbps |
|--------------+---------------------------------------------|
| S37=12 | V.32bis 7200bps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTION FAILURE CODES |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S86? [cmds] |
|--------------+---------------------------------------------|
| Description: | Reports codes which correspond to the |
| | possible causes of a connection failure |
|--------------+---------------------------------------------|
| Value | Meaning |
|--------------+---------------------------------------------|
| 0 | Normal hang up |
|--------------+---------------------------------------------|
| 4 | Carrier signal lost |
|--------------+---------------------------------------------|
| 5 | No error-control detected for remote modem |
| | during feature negotiation |
|--------------+---------------------------------------------|
| 9 | No common protocol found |
|--------------+---------------------------------------------|
| 12 | No failure - remote modem disconnected |
| | normally |
|--------------+---------------------------------------------|
| 13 | Remote modem failed to respond after 10 |
| | re-transmissions same message |
|--------------+---------------------------------------------|
| 14 | Violation of negotiated protocol caused |
| | failure |
+------------------------------------------------------------+
+----------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|----------------------------------------------------|
| Information on register S202 currently unavailable |
+----------------------------------------------------+