A. Troubleshooting
A-7
3830-A2-GB91-30
August 1998
Table A-3
(4 of 4)
Modem – VF Connection
Symptom
Action
Modem establishes and
disconnects a call
(continued)
The remote modem may be in a forced Error
Control mode (disconnect if there is no error
control). Reconfigure your modem to
V.42/MNP or Buffer and try again.
Perform a Local Analog Loopback test to
check the modem’s hardware operation.
High error rates occur
when running a local
loopback or self-test.
Incoming rings can cause data errors during a
loopback test. Abort the test, disconnect the
modular VF cord, and restart the test.
Table A-4
Online Operation
Symptom
Action
Data scrambled or
unreadable
Verify that the character format (data bits,
parity, and stop bits) is set to the same value
in both modems.
Missing data during a
transfer
Verify that you are using the same method of
flow control for both the modem and the DTE.
If using XON/XOFF flow control, verify that the
modem’s parity matches the DTE’s parity.
Содержание COMSPHERE 3830
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