Troubleshooting

Table 4-1. Troubleshooting Guidelines — Continued

Symptom

Problem

Solution

Call disconnects

The speed of the

immediately after an

far-end device is

attempt to connect;

higher than the

NO CARRIER may

speed of the local

be displayed on the

terminal device.

local terminal

 

device; green LED

 

turns off, red LED is

 

on.

 

Change the speed of the local terminal device to match that of the far-end device. If the speed of the far-end device is not known, set the local terminal device to the highest speed available.

The far-end device is set up for half-duplex or synchronous operation.

The 8400B Plus Data Module cannot communicate with a far-end device that is operating half-duplex or synchronous. This problem can be resolved only if the far-end device can be reconfigured for full-duplex, asynchronous operation.

Issue 2 November 1996 4-3

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Avaya 8400B Plus manual Troubleshooting

8400B Plus specifications

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