Lenovo 4157VJU Manuel D’Utilisation

Command

Function

Display product-identification code

Factory ROM checksum test

Internal memory test

Firmware ID

Reserved ID

Low speaker volume

Low speaker volume

Medium speaker volume

High speaker volume

Internal speaker off

Internal speaker on until carrier detected

Internal speaker always on

Internal speaker on until carrier detected and off while dialing

Included for compatibility only, provides no effect

Return to Data Mode

Return to Data Mode and initiate an equalizer retrain

Set Pulse dial as default

Modem sends responses

Sr?

Read and display value in register r.

Sr=n

Set register r to value n (n = 0-255).

Set Tone Dial as default

Numeric responses

Word responses

Report DTE speed only

Report line speed, error correction protocol, and DTE speed.

Report DCE speed only

Hayes Smartmodem 300 compatible responses/blind dialing.

Same as X0 plus all CONNECT responses/blind dialing

Same as X1 plus dial tone detection

Same as X1 plus busy detection/blind dialing

All responses and dial tone and busy signal detection

Reset and retrieve active profile 0

Reset and retrieve active profile 1

Extended AT commands

Command

Function

&C_

&C0

Force Carrier Detect Signal High (ON)

&C1

Turn on CD when remote carrier is present

ThinkStation User Guide