Nortel Networks Circuit Card - Manual (Page 827)

NTRB21 DTI/PRI/DCH TMDI card Page 827 of 906
Circuit Card Description and Installation
Figure 176
NTRB21 TMDI card with clock controller
OOS
AC
T
RED
YEL
LBK
CC
DCH
RCV
XMT
NTRB21
TMDI
SW
ON
1 2 3 4
DCH F/W LEN 0 LEN 1 Len 2
553-CSE9024
Stiffeners
NTAK93/51
Clock
Controller
Mounting Holes
Connector Socket
Connector Pins
LEDs
Bantam
Jacks
Standoffs