Analog Loopback Testing; Stopping A Test (At&T0, Ats18) - 3Com 56K Command Reference Manual

Analog Loopback
Testing
1 Send
2 Send
3 It will be looped back by your modem's transmitter for verification on
4 When the test is completed, send
5 Send
Stopping a Test
(AT&T0, ATS18)
Local loopback testing checks the operation of the Business Modem
transmitter and receiver.
Using AT&T1
AT&M0&N3S14.0=0
This command disables error control, fixes the connection rate at 2400
bps, and makes the modem return to command mode when you type
.
+++
to the modem so it enters analog loopback mode. The MR
AT&T1
status light flashes.
your screen.
Alternatively, you can end the test by sending
though, because ATZ resets the modem in addition to ending the test.
In either case, the modem responds with OK. If the modem sends an
ERROR message, you have issued an invalid command.
, unless you used a reset command (ATZ).
AT&M4
If the Business Modem is in online mode that is still connected to a
remote modem, and you send AT&T1 or AT&T8, it drops the call, enters
analog loopback mode, sends a CONNECT result and waits for loopback
characters.
To stop a test, send
AT&T0
specified number of seconds (for example,
seconds are up, the modem will stop the test automatically and return to
Command Mode. Send
hang up and reset the modem to its defaults.
Testing the Business Modem using AT&Tn
to prepare the modem for testing.
and then
+++
to the modem, or set Register S18 to a
ATS18=10
to the modem to hang up, or send
ATH
14-3
to end the test.
AT&T0
, or Be careful,
ATH ATZ.
). When the 10
ATZ
to