NTBK50 2.0 Mb PRI card Page 775 of 906
Circuit Card Description and Installation
Figure 166
NTBK50 2.0 Mb PRI card with daughterboards
NTAK20
Clock
Controller
NTAK93 or
NTBK51
D-Channel
Interface
SW2
SW4
1
2
1
2
SW1
1
2
Stiffeners
Connector Sockets
LEDs
Bantam
Jacks
Standoffs
DIS
ACT
RED
YEL
LBK
CC
DCH
RCV
XMT
On
Off
On
Off
On
Off
553-7872
553-CSE7872