Multi-Tech Systems MT2456SMI22 - Manual (Page 13)

Chapter 4 - V.22bis Commands
Multi-Tech Systems, Inc. MT2456SMI-22 SocketModem Developer’s Guide 13
2 Selects reliable (error-correction) mode. The modem will first attempt a LAPM connection and then an MNP
connection. Failure to make a reliable connection results in the modem hanging up. (Forces &Q5, S36=4, and
S48=7.)
3 Selects auto-reliable mode. This operates the same as \N2 except failure to make a reliable connection results in
the modem falling back to the speed buffered normal mode. (Forces &Q5, S36=7, and S48=7.)
4 Selects LAPM error-correction mode. Failure to make an LAPM error-correction connection results in the modem
hanging up. (Forces &Q5 and S48=0.)
5 Selects MNP error-correction mode. Failure to make an MNP error-correction connection results in the modem
hanging up. (Forces &Q5, S36=4, and S48=128.)
Result Codes OK <mode> = 0 to 5
ERROR Otherwise
I Identification
This command causes the modem to reports the requested result according to the command parameter.
Syntax I<value>
Defined Values
<value> Decimal number corresponding to the selected information.
0 Reports product code, e.g., “2400”.
1 Reports the least significant byte of the stored checksum in decimal. Reports 255 if the prestored checksum value
is FFh.
2 Reports "OK".
3 Reports identification codes.
RevisionName = masked firmware code version. Example: Patton Modulation = V.22bis
Example:
Patton-V22B
4 Reports OEM defined identifier string in either Hayes-compatible binary format (default), e.g.: a007040284C6002F
bC60000000r10051111510120003000111170000000
5 Reports Country Code parameter (see +GCI).
6 Reports
“OK”.
7 Reports “OK”.
Result Codes OK <value> = 0 - 7
ERROR Otherwise
+GCI Country of Installation
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.
Additional country profiles can be uploaded and existing ones can be modified by minor firmware upgrade
via SRAM patch.
Syntax +GCI=<country_code>
Country Code
Japan 00
Argentina 01
Taiwan 02
New Zealand 03
Singapore 04
Australia 09
Euro/NAM B5
International 99
Malaysia 6C
South Africa 9F
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).
Reporting Current or Selected Values
Command: +GCI?
Response: +GCI: <current country_code>
Example: +GCI: B5 The modem is set for U.S.
Reporting Supported Range of Parameter Values
Command: +GCI=?
Response: +GCI: (<country_code>[,<country_code>[,<country_code].......]]
Example: +GCI: (00,B4,B5) The modem can be set for Japan, United Kingdom, or the United States.