User Manual

Appendix A
Modem AT Commands
33
Xircom Inc. Mini PCI User’s Guide
Italy 59 United States B5
Japan 00 Universal FD
Kuwait C2 United Arab Emirates B3
Liechtenstein 68 US Virgin Islands FA
Luxembourg 69 Venezuela BB
Malaysia 6C Vietnam BC
+GMI Request Manufacturer Identification
Syntax:
AT+GMI
AT+GMI=?
This command displays one or more lines of information text, identifying the manufacturer of
the modem. +GMI=? may be used to determine whether the adapter supports the +GMI
command: an OK response indicates support, ERROR indicates non-implementation.
+GMM Request Model Identification Syntax:
Syntax:
AT+GMM
AT+GMM=?
This command displays one or more lines of information text, identifying the modem model.
+GMM=? may be used to determine whether the modem supports the +GMM command: an OK
response indicates support, ERROR indicates non-implementation.
+GMR Request Revision Identification Syntax:
Syntax:
AT+GMR
AT+GMR=?
This command displays one or more lines of information text, identifying the revision level of
the firmware of the modem. +GMR=? may be used to determine whether the adapter supports
the +GMR command: an OK response indicates support, ERROR indicates non-implementation.
+MS Modulation Selection
Caution: The AT+MS command is not applicable under the V.90 standard for 56K modems.
To set V.90 operation, see S-Register S109.
The AT+MS parameter controls data modulations and bit rates that may be negotiated between a
local and remote modem. It accepts four subparameters.