Service Manual

GSM-204-623
Parts information introduction
31st Oct 01
Parts 1–2
Parts Information: Horizon macro outdoor
CONTROLLED INTRODUCTION
68P02902W05-A
Diagram of
Horizon
macro
outdoor FRU
modules
Figure 1-1 shows the outdoor cabinet modules, including major FRUs, with
doors and lid omitted for clarity.
PSMs (x3)
Tx BLOCKS x3
(DCFs SHOWN AS
EXAMPLE)
SURF (Rx)
CTUs (x6)
MAIN CAGE
TEMPERATURE SENSORS
(LOCATED ON
BACKPLANE)
DIGITAL
MODULES
ALARM BOARD
MCUF
FMUX/NIU/BPSM
CIRCUIT BREAKER
MODULE (CBM)
T43/BIB
TOPSMs
(x3)
ALARMS
INTERFACE
BOARD
CAB
INTERNAL
BATTERIES
TMS UNIT
KRONE BLOCKS
DC CIRCUIT
BREAKER PANEL
Figure 1-1 Horizon macro outdoor cabinet, showing major FRUs