Nortel Circuit Card Installation Manual page 829

Nortel networks circuit card description and installation
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Figure 177
NTRB21 TMDI card faceplate
NTRB21 DTI/PRI/DCH TMDI card
TMDI
OOS
ACT
RED
YEL
LBK
CC
DCH
MAINT
Monitor Port
RS232
Rx
Tx
Circuit Card
Page 829 of 906
553-CSE0007
Description and Installation

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