Nortel Networks 1000 - Manual (Page 961)

Physical description 961
Table 405
NTRB21 LED states (cont’d.)
LED State Definition
On (Yellow) A yellow alarm state has been detected. YEL
Off No yellow alarm.
On (Green) NTRB21 is in loop-back mode. LBK
Off NTRB21 is not in loop-back mode.
Figure 279 "NTRB21 TMDI card faceplate" (page 962) shows the faceplate
of the NTRB21 TMDI card.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.