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NETELLIGENT 56K ISA FAX MODEM

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