Nortel Communication Server 1000E Maintenance Manual page 94

94 Clearing faults
Clearing MG 1000T Core-to-Expansion link faults
The Core-to-Expansion links in the MG 1000T are an integral part of the
MG 1000T functionality. The link provides speech path switching and
transmit and receive signaling messages between the SSC cards.
Core-to-Expansion link faults can cause system initializations, disable
conference capability, or disable all trunk connections on a card. The
Core-to-Expansion link faults can also make functional equipment appear
faulty.
Table 32 "IP Network fault indicators" (page 94)
for MG 1000T Core-to-Expansion link faults.
Table 32
IP Network fault indicators
Indicator
System messages
Visual indicators
Troubleshooting Core-to-Expansion link connectivity faults
Troubleshooting the Core-to-Expansion 100BaseT link is required when
there is no connection or the connection is dropped between the MG
1000T Core and an MG 1000T Expansion.
Layer 2 and Layer 3 LAN connections for MG 1000T" (page 95)
troubleshooting procedures for Layer 2 and Layer 3 connections.
Use an SDI terminal to perform the following procedures using overlay
commands.
Possible indications
CNF messages
DTA, DTC, DTI messages
ERR020, 120, 4060
INI003, 008—012
NWS101, 141, 201—204, 301, 401
OVD021, 022, 023, 031
SYS messages
TDS messages
XCT messages
XMI messages
Red LEDs lit or flashing on circuit cards
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 04.01 4 June 2010
Copyright © 2004-2010 Nortel Networks. All Rights Reserved.
provides fault indicators
Procedure 8 "Troubleshooting
provides