Nortel 1000 Installation And Commissioning Manual page 37

Function
Connectors
LEDs
The following is 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 will 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:
•
•
Copyright © 2003-2007, Nortel Networks
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Faceplate
Designator
Unit 0 Clock 0
Unit 0 Clock 1
Unit 1 Clock 0
Unit 1 Clock 1
J5 TRK
J6 DCH
ENET
DIS
OOS
NEA
FEA
LBK
DCH
When the enable/disable switch is in disabled state (lit by hardware).
After power-up, before the card is enabled.
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
NT5D97 Dual-port DTI2/PRI2 card 37
Type
RJ11 Connector
RJ11 Connector
RJ11 Connector
RJ11 Connector
9 Pin
Female D Connector
26 Pin
Female D Connector
2 Red LEDs
2 Red LEDs
2 Yellow LEDs
2 Yellow LEDs
2 Yellow LEDs
2 Yellow LEDs
Bicolor Red/Green LED NTBK51AA status
Description
Connects reference
clock 0 to Clock
Controller card 0
Connects reference
clock 0 to Clock
Controller card 1
Connects reference
clock 1 to Clock
Controller card 0
Connects reference
clock 1 to Clock
Controller card 1
Two external E1 Trunk
0 and Trunk 1
Connects to external
DCH or MSDL
ENET 0 or ENET 1 is
disabled
Trunk 0 or Trunk 1 is
disabled
Trunk is out of service
Local (Near End) Alarm
Far End Alarm
Loop Back test being
performed on Trunk 0
or Trunk 1