Chapter 5 – AT Commands, S-Registers, and Result Codes

Compatibility Commands

Command:

&L

Leased Line Operation

Description:

 

Requests leased line or dial-up operation. This command is provided for

 

 

compatibility only; no mode change is performed, dial-up operation

 

 

continues. The OK response is returned for a valid parameter, but no other

 

 

action is performed. The parameter value, if valid, is written to S27 bit 2.

Defined Values:

 

&L0 Requests dial-up operation. Dial-up operation continues.

Result Codes:

 

OK

 

 

ERROR

Command:

)M

Enable Cellular Power Level Adjustment

Description:

 

This command is included for compatibility only and has no effect other

 

 

than returning a result code.

Defined Values:

 

)M0

 

 

)M1

 

 

)M2

Result Codes:

 

OK

 

 

ERROR

Command:

@M

Initial Cellular Power Level Setting

Description:

 

This command is included for compatibility only and has no effect other than

 

 

returning a result code.

Defined Values:

 

@M0

 

 

@M30

Result Codes:

 

OK.

 

 

ERROR

Command:

:E

Compromise Equalizer Enable Command

Description:

 

This command is included for compatibility only and has no effect other than

 

 

returning a result code.

Defined Values:

 

:E0

 

 

:E1

Result Codes:

 

OK

 

 

ERROR

Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide

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Multi-Tech Systems MT5600SMI-32, MT5600SMI-XL34, MT5600SMI-P92 manual Compatibility Commands, Command Leased Line Operation