Problems And Solutions - Avaya 6424D+M User Manual

Appendix E: Troubleshooting
Page E-2
PROBLEMS AND
SOLUTIONS
Symptom
The set does not function
normally, unfamiliar front
panel messages.
Calls can not be dialed
using the RS-232 interface.
Problem
Set is in a FIELD TEST mode for
use by trained service personnel
only.
The dial method selected is
incorrect.
Set is not IDLE when the dial
command is entered.
The dial command is entered
incorrectly.
The dial command is sent at the
wrong speed.
The DTR input lead on the V.35
interface is OFF.
DEFINITY Communications System
DEFINITY High Speed Link
User´s Guide
Solution
Press NEXT/NO and BACK
simultaneously to exit the
FIELD TEST mode. The set will
perform a self-test and then
display IDLE on the front panel
interface. If the HSL does not
display IDLE, clear the set by
unplugging and reconnecting
the power cord. Using the
VIEW OPTIONS? menu, verify
the options have not been
changed.
Set DIAL METHOD to
RS-232, and try again.
Return the set to the IDLE mode
and try again.
Verify that both the A and T
characters were entered using
either upper case or lower case,
and the dial command ends
with the CARRIAGE RETURN
character.
Verify that the terminal uses one
of the following speeds: 300,
1200, 2400, 4800, 9600, or 19200
bps.
Configure the V.35 terminal
equipment to turn ON the DTR
lead and try again.