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

Command

+GMM

Request Model Identification

Description:

 

Causes the modem to report the modem product.

Typical Response:

+GMM: V92

Command:

+GMR

Request Revision Identification

Description:

 

Causes the modem to report the modem version, revision level, or date.

 

 

This is the same as the I3 command.

Typical Response:

+GMR: P2109-V90

 

 

OK

 

Command:

+GCAP

Request Complete Capabilities List

Description:

 

This extended-format command causes the modem to transmit one or

 

 

more lines of information text listing additional capabilities command

 

 

+<name>s, which is intended to permit the user to identify the overall

 

 

capabilities of the modem. In particular, if the modem implements a

 

 

particular modem control standard that uses Extended Syntax Commands,

 

 

and if that modem control standard includes command(s) that indicate

 

 

general capabilities, the +<names>(s) of those commands will be reported

 

 

to the modem in response to a +GCAP command.

Example Responses:

+GCAP: +FCLASS, +MS, +ES, +DS, for a data modem that supports all

 

 

capabilities listed. Where:

 

 

+MS

+M commands (Modulation Control: +MS and +MR commands)

 

 

+ES

+E commands (Error Control: +ES, +EB, +ER, +EFCS, +ETBM)

 

 

+DS

+D commands (Data Compression: +DS and +DR). Manual

Command:

+GCI

Country of Installation

Description:

 

This extended syntax command selects and indicates the country of

 

 

installation for the modem. This parameter selects the settings for any

 

 

operational parameters that need to be adjusted for national regulations or

 

 

telephone networks. The chapter Setting Country Codes for more

 

 

information.

Default:

 

If the modem is specified for use in only one country, that country code is

 

 

the default. Otherwise, the default is defined by the OEM. Factory default is

 

 

B5 (United States).

Report Commands:

+GCI? Reports the current country code.

 

 

+GCI=? Displays the list of available country codes.

Command:

&F

Restore Factory Configuration (Profile)

Description:

 

The modem loads the factory default configuration (profile). The factory

 

 

defaults are identified for each command and in the S-Parameter

 

 

descriptions. A configuration (profile) consists of a subset of S-Parameters.

Default:

 

None

 

Values:

 

&F0

Restore factory configuration 0.

 

 

&F

Restore factory configuration 1.

Result Codes:

 

OK

 

ERROR if the modem is connected.

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

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Multi-Tech Systems MT5600SMI-L92 Request Model Identification, Request Revision Identification, Country of Installation