Computer Hardware Installation Guide

Physical description 969
Figure 280
NTBK50 2.0 Mb PRI card with daughterboards
The LEDs are described in Table 402 "NTBK50 faceplate LEDs" (page 969).
Table 402
NTBK50 faceplate LEDs
LED
State
Definition
OOS
On (Red) The NTBK50 2.0 Mb PRI circuit card is disabled or out-of-service.
Also, the state of the card after power-up, completion of self test, and
exiting remote loopback.
Off The NTBK50 2.0 Mb PRI is not in a disabled state.
ACT
On (Green) The NTBK50 2.0 Mb PRI circuit card is in an active state.
Off The NTBK50 2.0 Mb PRI is in a disabled state. The OOS LED is red.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.