D-Channel Problems - Nortel Communication Server 1000S Maintenance Manual

Isdn primary rate interface
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PRI fault clearing

D-channel problems

Command
Response
LD 96
ENL DCH N
DCH 1003
DCH 1006
DCH RLS
553-3001-517
Standard 2.00
D-channel problems are indicated when the D-channel Handler Interface
(DCHI) releases after being enabled. This applies to both primary and backup
D-channels. For example:
Description
MDL error
link establishment error
DCHI released
If these messages appear, follow the steps in Procedure 3.
September 2004

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