Toshiba Strara CTX Series Installation And Maintenance Manual page 112

Strata CTX670 Installation
MU Law
for U.S.
& Canada.
For UK &
European
use set to
A Law.
Figure 3-22 BBCU Processor PCB
Be careful installing the BBMS
CAUTION!
1. Hold the BBMS top-side
up. The top side has five
chips and "BBMS1A."
Figure 3-23 Installing the BBMS Backup Memory Module on the BBCU
3-38
Network
Interface
RJ45
P7
P3
BBMS1A
5526
2. Slide the BBMS
into the socket.
P5 P4
P1
BBMS1A
P2
5254
(Figure 3-23). It is fragile.
3. Push down on the outer
Set the jumper
to "YES" only
after installing
the BBMS.
BBMS
Memory
Module
edge of the BBMS. It
should "snap" down.
Strata CTX I&M September 2002