Nortel 1000 Installation And Commissioning Manual page 62

62 ISDN Primary Rate Interface equipment overview
Function
Port 0 Clock 0
Port 0 Clock 1
Port 1 Clock 0
Port 1 Clock 1
Connectors
J5 TRK
J6 DCH
OOS
DIS
ACT
RED
YEL
LEDs
LBK
DCH
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 system CPU.
Port Out of Service LEDs
Two red LEDs indicate if the "ENET0" and "ENET1" portion of the card are
disabled. These LEDs are lit in the following cases:
•
•
•
Copyright © 2003-2007, Nortel Networks
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Faceplate
Designator
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 Green LEDs
2 Red LEDs
2 Yellow LEDs
2 Green LEDs
Bicolor Red/Green LED NTBK51AA status
When the enable/disable switch is in state disable (lit by hardware)
After power-up, before the card is enabled
When the ENET port on the card is disabled by software.
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Type
Connects reference clock to
Clock Controller card
Connects reference clock to
Clock Controller card
Connects reference clock to
Clock Controller card
Connects reference clock to
Clock Controller card
Two external DS-1 Trunk 0 and
Trunk 1
Connects to DCHI or MSDL
ENET 0 or ENET 1 disabled
Trunk 0 or Trunk 1 disabled
Trunk 0 or Trunk 1 lines active
Red Alarm on Trunk 0 or Trunk 1
Yellow Alarm on Trunk 0 or Trunk
1
Loop Back test being performed
on Trunk 0 or Trunk 1
Description