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 Protocol |
Bell 103A/212A ITU-T V34, V.32bis, V.32, V.22bis, V.23, V.22, V.21 |
|
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29, V.21, EIA T-30 |
|
Error Correction/Compression |
MNP5, MNP10, V.42, V.42bis |
|
Fax Class |
Class I |
|
Data Bus |
16-bit ISA |
|
Card Size |
Half-length |
|
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 enabled |
Open |
Open |
Closed |
Closed |
Closed |
|
Plug and play mode disabled/legacy mode enabled |
Closed |
Closed |
Open | Open |
Open |
|
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 2 |
Command 3 |
Command 4 | |
|
&Q1, &Q4 |
Command 1 |
Command 2 |
Command 3 |
Command 4 | |
|
&Q2, &Q3 |
Command 3 |
Command 3 |
Command 3 |
Command 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 DTE during NORMAL or MNP mode |
Break received from remote modem during NORMAL mode |
Break from DTE during DIRECT mode | |
|
\K0 |
Online command mode enabled, send no break to remote modem |
Buffers cleared, break sent to DTE |
Send break to remote modem, online command mode enabled | |
|
\K1 |
Break sent to remote modem and buffered cleared |
Buffers cleared, break sent to DTE |
Send break to remote modem, online command mode enabled | |
|
\K2 |
Online command mode enabled, send no break to remote modem |
Break sent immediately to DTE |
Send break to remote modem | |
|
\K3 |
Send break to remote modem immediately |
Break sent immediately to DTE |
Send break to remote modem, online command mode enabled | |
|
\K4 |
Online command mode enabled, send no break to remote modem |
Break sent with received data to the DTE |
Send break to remote modem | |
|
\K5 |
Send break with transmitted data |
Break sent with received data to the DTE |
Send break to remote modem | |
|
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 |