Service Manual

GSM-204-323
Cage backplane interface panel harness assembly (CBIA)
31st Oct 01
Tech. 2–12
Technical Description: Horizon macro outdoor
CONTROLLED INTRODUCTION
68P02902W02-A
CBIA cage
function and
diagram
The main cage holds modules and supports the backplane. Each compartment
has appropriate sliders for insertion of the modules. Figure 2-10 shows the
module compartments of the cage.
CIRCUIT BREAKER MODULE
CAGE
TRANSCEIVERS
BLANKING PLATE
FULL SIZE
DIGITAL
MODULES
(MCUFs
AND
ALARM)
HALF SIZE DIGITAL
MODULES (FMUX,
NIUs AND BPSM)
POWER SUPPLY MODULES
(PSMs)
HALF SIZE DIGITAL
MODULES (FMUX,
NIUs AND BPSM)
Figure 2-10 Front view of cage showing where modules fit
CBIA harness
function
The harness provides cables to link connectors on the backplane with
connectors on the underside of the interface panel.