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C288MX PCMCIA modem/telephone/ISDN Settings and Configuration






E-TECH RESEARCH, INC.

C288MX PCMCIA

Card Type

Modem (asynchronous)

Chipset

Unidentified

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

PCMCIA Type II

Fax Class

Class I & II

Data Modulation

Bell 103A/212A

ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34

AT&T V.32terbo

Fax Modulation

ITU-T V.17, V.21CH2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

E-TECH-RESEARCH-INC-Modem-asynchronous-C288MX-PCMC

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, B, D, E, H, L, M, N, P, Q, T, V, W, X, Y, Z

&C, &D, &F, &G, &K, &L, &R, &S, &T, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \C, \G, \J, \K, \N, \Q, \T, \V, \X

%A, %C, %G

Special AT Commands

"H, -J, "N, "O

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S22, S25, S26, S27, S30

Note: See MHI documentation for complete information.

The functions of the O command and the S42 and S47 registers are unidentified.

UNIDENTIFIED COMMANDS

Command

Default

O

N/A

S42

Read-only

Proprietary AT Command Set

AUTO-RELIABLE FALLBACK CHARACTER

Type:

Register

Format:

AT [cmds] S43=n [cmds]

Default:

Read-only

Range:

0-127

Unit:

ASCII

Description:

Displays the ASCII value character used as the auto-reliable fallback character.

AUTO-RELIABLE TIME BUFFER CONFIGURATION

Type:

Register (read-only)

Format:

AT [cmds] S48? [cmds]

Description:

Displays information regarding the handling of incoming data during auto-reliable time period.

Value

Meaning

0

Data is discarded.

1

Data is buffered for 4 seconds or 200 characters.

2

Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character.

BIT-MAPPED REGISTER S44

Format:

AT [cmds] S44=n [cmds]

Default:

6

Range:

0 - 23

Description:

Controls V.42bis and auto-fallback/fall-forward.

Bit

Value

Function

0

í 0

1

V.42bis enabled.

V.42bis disabled.

2, 1

00

01

10

í 11

V.42bis disabled.

V.42bis enabled on transmit only.

V.42bis enabled on receive only.

V.42bis enabled.

3

0

Not used.

4

í 0

1

Auto-fallback/fall-forward disabled.

Auto-fallback/fall-forward enabled.

BIT-MAPPED REGISTER S51

Format:

AT [cmds] S51? [cmds]

Default:

Read-only

Range:

0 - 115

Description:

Controls flow control, serial port speed, and XON/XOFF trapping.

Bit

Value

Function

1, 0

00

01

10

11

Flow control disabled.

Bidirectional XON/XOFF flow control enabled.

CTS flow control by DCE enabled.

Bidirectional RTS/CTS flow control enabled.

3, 2

00

Not used.

4

0

1

Modem-to-modem flow control disabled.

Modem-to-modem flow control enabled.

5

0

1

Serial port speed locked.

Serial port speed follows connect speed.

6

0

1

XON/XOFF signals trapped by local modem.

XON/XOFF passed through local modem.

BIT-MAPPED REGISTER S54

Format:

AT [cmds] S54=n [cmds]

Default:

Unidentified

Range:

Unidentified

Description:

Controls extended result codes.

Bit

Value

Function

1 - 0

N/A

This function is unidentified.

6 - 2

00000

Not used.

7

0

1

Error correction and compression extended result codes disabled.

Error correction extended result codes enabled.

BREAK TYPE

Type:

Register (read-only)

Format:

AT [cmds] S52? [cmds]

Description:

Returns a number indicating the modem’s action on a break signal.

Value

Break from DTE

Modem receives \B

Break received from remote modem

0

Online command mode enabled, send no break to remote modem.

Break sent to remote modem and buffered cleared.

Buffers cleared, break sent to DTE.

1

Break sent to remote modem and buffered cleared.

Break sent to remote modem and buffered cleared.

Buffers cleared, break sent to DTE.

2

Online command mode enabled, send no break to remote modem.

Send break to remote modem immediately.

Break sent immediately to DTE.

3

Send break to remote modem immediately.

Send break to remote modem immediately.

Break sent immediately to DTE.

4

Online command mode enabled, send no break to remote modem.

Send break with transmitted data.

Break sent with received data to the DTE.

5

Send break with transmitted data.

Send break with transmitted data.

Break sent with received data to the DTE.

CONNECT MODE

Type:

Register, read-only

Format:

AT [cmds] S53? [cmds]

Description:

Returns a value indicating the type of connection the modem will make.

Value

Meaning

0

Normal mode enabled

1

Direct mode enabled

2

MNP reliable mode enabled

3

Auto-reliable mode or MNP auto-reliable mode enabled

4

V.42 auto-reliable mode or MNP auto-reliable mode enabled

5

V.42 reliable mode enabled

DISPLAY INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested about the modem.

Command

Function

I0

Displays product identification code.

I1

Displays country code.

I2

Displays OEM string.

I4

Displays EPROM type.

I5

Displays DSP chip version.

I9

Displays flash ROM checksum.

EXTENDED RESULT CODES

Type:

Register

Format:

AT [cmds] S41? [cmds]

Description:

Displays selection of which extended result codes will be displayed.

Value

Meaning

0

Enables CONNECT result codes to report DTE speed. If S95=0, then all extended connection result codes are disabled.

1

Enables CONNECT result codes to report DTE speed. If S95=0, then all CARRIER and PROTOCOL extended result codes are enabled.

2

Enables CONNECT result codes to report DCE speed. If S95=0, then all extended result codes are disabled.

HDLC ADDRESS

Type:

Register

Format:

AT [cmds] S20=n [cmds]

Default:

0

Range:

0-255

Unit:

1 ASCII character

Description:

Sets the HDLC address and BSC character.

LINE SPEED

Type:

Register (read-only)

Format

AT [cmds] S37? [cmds]

Description:

Displays the maximum allowable data exchange rate attempted during handshake process.

Command

Function

í S37=0

Speed of last command.

S37=3

Connect at 300bps.

S37=5

Connect at 1200bps.

S37=6

Connect at 2400bps.

S37=7

Connect at 4800bps.

S37=8

Connect at 7200bps.

S37=9

Connect at 9600bps.

S37=10

Connect at 12Kbps.

S37=11

Connect at 14.4Kbps.

S37=12

Connect at 16.8Kbps.

S37=13

Connect at 19.2Kbps.

S37=14

Connect at 21.6Kbps.

S37=15

Connect at 24Kbps.

S37=16

Connect at 26.4Kbps.

S37=17

Connect at 28.8Kbps.

LOCAL SERIAL PORT SPEED

Type:

Register (read-only)

Format:

AT [cmds] S62? [cmds]

Description:

Returns a value indicating the speed of the local serial port.

Value

Meaning

0

Serial port speed set to 300bps.

1

Serial port speed set to 600bps.

2

Serial port speed set to 1200bps.

3

Serial port speed set to 2400bps.

4

Serial port speed set to 4800bps.

5

Serial port speed set to 7200bps.

6

Serial port speed set to 9600bps.

7

Serial port speed set to 12Kbps.

8

Serial port speed set to 14.4Kbps.

9

Serial port speed set to 16.8Kbps.

10

Serial port speed set to 19.2Kbps.

11

Serial port speed set to 21.6Kbps.

12

Serial port speed set to 24Kbps.

13

Serial port speed set to 26.4Kbps.

14

Serial port speed set to 28.8Kbps.

15

Serial port speed set to 38.4Kbps.

16

Serial port speed set to 57.6Kbps.

17

Serial port speed set to 115.2Kbps.

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Register (read-only)

Format:

AT [cmds] S49? [cmds]

Description:

Displays the maximum transmittable block size in MNP mode.

Value

Meaning

0

MNP block size is 64 characters

1

MNP block size is 128 characters

2

MNP block size is 192 characters

3

MNP block size is 256 characters

MNP MODE

Type:

Register

Format:

AT [cmds] S59=n [cmds]

Description:

Controls MNP mode.

Command

Function

S59=0

MNP5 compression disabled.

í S59=1

MNP5 compression enabled.

MODE OF OPERATION

Type:

Register

Format:

AT [cmds] S50? [cmds]

Description:

Returns a value indicating the modem’s current operating mode.

Value

Meaning

0

Modem is in data mode.

1

Modem is in fax mode.

ROUND TRIP DELAY

Type:

Register

Format:

AT [cmds] S65=n [cmds]

Default:

Read-only

Range:

Unidentified

Unit:

.1 second

Description:

The function of this register is unidentified.

SLEEP TIMER

Type:

Register

Format

AT [cmds] S46=n [cmds]

Default:

255

Range:

0-255

Unit:

.1 second

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. Setting S46 to 255 disables this feature.

SLEEP TIMER

Type:

Register

Format

AT [cmds] S47=n [cmds]

Default:

255

Range:

0-255

Unit:

Unidentified

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating power-down sleep mode. Setting S47 to 255 disables this feature.

V.42bis DICTIONARY SIZE

Type:

Register (read-only)

Format:

AT [cmds] S57? [cmds]

Description:

Returns a value indicating the V.42bis dictionary size.

Value

Meaning

0

512 byte dictionary selected.

1

1024 byte dictionary selected.

2

1536 byte dictionary selected.

V.42bis MAXIMUM STRING LENGTH

Type:

Register

Format:

AT [cmds] S58=n [cmds]

Default:

32

Range:

6-64

Unit:

1 ASCII character

Description:

Sets the maximum string size for V.42bis compression.








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