Northern Telecom DMS-100 Series Maintenance Manual page 13

Figure 1-1xxx
Provision of exchange lines from a host LCM
Analog exchange
lines
Loop calling
Loop calling
PBX
Disconnect clear
Earth calling
PBX
DC5A calling
PBX
DC5A calling
PBX
PCM30 link
(2Mbps)
CTE
(Type 1 MEL)
PCM30 Line Drawer Maintenance Guide BCS33 and up
Understanding the PCM30 line drawer 1-3
DMS-100
Host LCM PLGC
with PCM30
line drawer
N
E
T
W
O
R
K