Specifications

<C#>-30 V.3229 / V.3229L
5
A
synchronous Operating Commands
Online State
Character Echo
F
In some lower speed modems the ATF command
determines if characters are echoed to the DTE from
the modem when online. This function is generally
controlled by the communications software. The
modem does not support online character echo.
Hanging Up
H
To end a call, enter ATH. This tells the modem to
disconnect and go on hook. The modem must be in
online command mode to use this command.
EPROM Check
ATI I
PC software packages may issue the ATI command
to verify the modem will support all commands
needed by the software package. The modem returns
ASCII characters representing the model and revi-
sion level. To request the CRC to be calculated on
the EPROM, enter ATI1. The modem returns four
ASCII characters representing the CRC in hexadec-
imal form. Enter ATI3 to request the product ver-
sion.
Speaker Volume
Table 18:
Command Operation
I Request product code
I1 Request EPROM CRC value
I3 Request product version
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