Multi-Tech MultiModem ISIHI-2S, Manual

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78 MultiModemISI Hybrid Series, ISIHI-2S
Chapter 4—MODEM AT Commands, S-Registers, Result Codes
Modem
Immediate Action Commands
Use immediate action commands to obtain information about AT commands and current
modem settings.
A/ Repeat Last Command
Default: None
Type A/ to repeat the previous command. Do not precede this command with AT or press
E
NTER
to execute it.
I n Information Request
n = 0, 1, 2, 3, 4, or 9
Default: none
This command displays specific product information about your modem.
I0 or I returns the default speed and controller firmware version number. Use this
command to identify your modem’s firmware level before calling Multi-Tech Technical
Support. (This is the same as I3.)
I1 calculates and displays the ROM checksum (for example, 12AB).
I2 performs a ROM check, calculates and verifies the ROM checksum, and displays the
results (
OK or ERROR).
I3 returns the default speed and controller firmware version number. Use this command
to identify your modem’s firmware level before calling Multi-Tech Technical Support. (This
is the same as I or I0.)
I4 returns the firmware version for the data pump (for example, 94).
I9 displays the country code (for example,
NA Ver. 1).
&B n V.32 Auto Retrain
n = 1
Default: &B1
The &B1 command enables V.32 auto retrain.
&V View Current Configuration
Default: none
Use the &V command to display the active modem settings.