PULSECOM 4TOLB-3L1 - Page 9

9
4TOLB-3L1
1306, Issue 2, May 1992
A. 4TOLB-3L1 Installed in a Pulsecom PD4 or AT&T D4 Channel Bank
B. 4TOLB-3L1 Installed in a Pulsecom PSC-96 or AT&T SLC 96 Channel Bank
Figure 5. Location of the 4TOLB-3L1 in Pulsecom or AT&T Channel Banks
SHELF
COMMON UNITS
(INSTALL AS SHOWN
FOR MODE 3)
B1
B2
A1
A2
PCU OIU
TPU
RU
LIU-3 ACU
TU
RU TU
PDU
ACUBLANK
1 2 11
23
11 12
24
DIGROUP B
DIGROUP A
INSTALL THE 4TOLB-3L1
IN ANY OF THE 48
CHANNEL UNIT SLOTS
13 14
1 2
13 14
24
23
12
COMMON UNITS
(INSTALL AS SHOWN
FOR MODE 3)
PU DLU TRU
SSU CTU LIU TRU
ACU
LSU
LIU TRU
1 2 3 4
PU TRU
LIU
MXU
MXU
TWO-SHELF
GROUP
TWO-SHELF
GROUP
INSTALL THE 4TOLB-3L1
IN ANY OF THE 48
CHANNEL UNIT SLOTS
12 CHANNEL UNITS
(24 SUBSCRIBER CHANNELS)
12 CHANNEL UNITS
(24 SUBSCRIBER CHANNELS)
12 CHANNEL UNITS
(24 SUBSCRIBER CHANNELS)
12 CHANNEL UNITS
(24 SUBSCRIBER CHANNELS)
SHELF D
SHELF C
SHELF B
SHELF A