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15
Overview
T
ESTING THE CONNECTION
This chapter contains information about:
Testing the Courier V.Everything modem using AT&T n
Testing the Courier V.Everything modem using S-Register 16
Your modem can perform digital and remote digital loopback tests. You
can use these tests to check the operations of the transmitter an
receiver, or to locate a problem with a remote device or a telephone line.
Testing is done by sending the AT&Tn command or by setting Register
S16. Only one test can be performed at a given time. If you send a test
command while the modem is in test mode, you will receive an ERROR
message.
All loopback testing conforms to ITU-T Recommendation V.54.
If you are using synchronous mode (&M1, &M6, &M7), testing is not
available.
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