KE LOGEM LGH 28.8D1, Operation Manual, Page: 73 / 200

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Operation Manual V.34 - Modems, Version 07/97
AT
Chapter 3
ATH Disconnect
An existing data connection is terminated (on hook function).
ATI(n) Identification
This command is employed to check for perfect connection between
DTE and modem.
command parameter/default description
ATI(n) 0...2 modem identification
0 software version
1 V.42bis/MNP software version
2 modem revision level
ATO Switching to Transparent Mode
During an existing connection the modems switch back from command
to transparent mode after typing the command ATO.
You can change between the two modes using the escape sequence
(e.g. +++) and the ATO command.
If a connection is not yet established the modems do not occupy the
telephone line and report an ERROR code.
Please make sure to type the letter O and not the number 0 in this case.
Example:
• established data connection
• modem operates in transparent mode
input +++ escape sequence
report OK input acknowledgement and change to
command mode
input ATS46=100 (CR) changing of register S46
report OK input acknowledgement
input ATO (CR) reswitching to transparent mode
report CONNECT 2400 data connection with 2400 bit/s is establis-
hed again, modem operates in transparent
mode
AT Commands