328 NT5D97 Dual-port DTI2 PRI2 card
Table135
External connectors and LEDs
Function Faceplate
Designator Type Description
Switch ENB/DIS Plastic, ESD
protected Card Enable/disable switch
Unit 0Clock 0 RJ11 Connector Connects reference clock 0 to Clock
Controller card 0
Unit 0Clock 1 RJ11 Connector Connects reference clock 0 to Clock
Controller card 1
Unit 1Clock 0 RJ11 Connector Connects reference clock 1 to Clock
Controller card 0
Unit 1Clock 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 26Pin
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 thecard 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

Twored LEDs indicate if the "ENET0" and "ENET1" por tions 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, Nor tel Networks
.