Nortel Networks NN43001-301 - Manual (Page 62)

62 ISDN Primary Rate Interface equipment overview
Function
Faceplate
Designator Type Description
Port 0 Clock 0 RJ11 Connector Connects reference clock to
Clock Controller card
Port 0 Clock 1 RJ11 Connector Connects reference clock to
Clock Controller card
Port 1 Clock 0 RJ11 Connector Connects reference clock to
Clock Controller card
Connectors
Port 1 Clock 1 RJ11 Connector Connects reference clock to
Clock Controller card
J5 TRK 9 Pin Female
D Connector
Two external DS-1 Trunk 0 and
Trunk 1
J6 DCH 26 Pin Female
D Connector
Connects to DCHI or MSDL
OOS 2 Red LEDs ENET 0 or ENET 1 disabled
DIS 2 Red LEDs Trunk 0 or Trunk 1 disabled
ACT 2 Green LEDs Trunk 0 or Trunk 1 lines active
RED 2 Red LEDs Red Alarm on Trunk 0 or Trunk 1
LEDs
YEL 2 Yellow LEDs Yellow Alarm on Trunk 0 or Trunk
1
LBK 2 Green LEDs Loop Back test being performed
on Trunk 0 or Trunk 1
DCH Bicolor Red/Green LED NTBK51AA status
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:
• 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
Copyright © 2003-2007, Nortel Networks
.