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328 NT5D97 Dual-port DTI2 PRI2 card
Table 135
External connectors and LEDs
Function
Faceplate
Designator Type Description
Switch ENB/DIS Plastic, ESD
protected
Card Enable/disable switch
Unit 0 Clock 0 RJ11 Connector Connects reference clock 0 to Clock
Controller card 0
Unit 0 Clock 1 RJ11 Connector Connects reference clock 0 to Clock
Controller card 1
Unit 1 Clock 0 RJ11 Connector Connects reference clock 1 to Clock
Controller card 0
Unit 1 Clock 1 RJ11 Connector Connects reference clock 1 to Clock
Controller card 1
J5 TRK 9 Pin
Female D
Connector
Two external E1 Trunk 0 and Trunk 1
Connectors
J6 DCH 26 Pin
Female D
Connector
Connects to external DCH or MSDL
ENET 2 Red LEDs ENET 0 or ENET 1 is disabled
DIS 2 Red LEDs Trunk 0 or Trunk 1 is disabled
OOS 2 Yellow LEDs Trunk is out of service
NEA 2 Yellow LEDs Local (Near End) Alarm
FEA 2 Yellow LEDs Far End Alarm
LBK 2 Yellow LEDs Loop Back test being performed on Trunk
0 or Trunk 1
LEDs
DCH Bicolor Red/Green
LED
NTBK51AA status
The following sections provide a brief description of each element on the
faceplate.
Enable/Disable Switch
This switch is used to disable the card prior to insertion or removal from the
network shelf. While this switch is in disable position, the card does not
respond to the system CPU.
ENET LEDs
Two red LEDs indicate if the "ENET0" and "ENET1" portions of the card are
disabled. These LEDs are lit in the following cases:
•
When the enable/disable switch is in disabled state (lit by hardware).
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.