Service Manual

GSM-204-020
31st Oct 01
I–4
Service Manual: Horizon macro outdoor
CONTROLLED INTRODUCTION
68P02902W12-A
C
CAB
alarm functions, Tech. 4–20
debug, Tech. 4–24
DIP switch settings, Tech. 4–25
front panel indicators, Tech. 4–16
front panel switches and buttons, Tech. 4–17
removal and replacement, Maint. 3–16
Cabinet
attaching the cable shroud, Inst. 4–2
dimensions, Tech. 1–12, Tech. 1–17, Inst.
2–6
earthing, Inst. 3–20
internal layout, Tech. 2–3
lifting, Inst. 3–7, Inst. 3–10, Inst. 8–1
mechanical inspection, Maint. 2–7
power supply requirements, Inst. 2–3
powering up, Inst. 7–8
structural requirements, Inst. 2–5
temperature control, Tech. 3–1
template installation, Inst. 3–13
unpacking, Inst. 3–9
weight, Tech. 1–13
Cabinet modules, normal LED conditions, Maint.
2–6
Cable routeing, Inst. 3–19
Cable shroud
assembly diagram, Tech. 8–2
configurations, Tech. 8–1
installation considerations, Inst. 4–1
installation diagram, Inst. 4–3
installation procedure, Inst. 4–2
Cabling, power and earth, Inst. 3–19
Cage, replacement, Maint. 3–47
CAL port, MCUF, Tech. 6–8
Calibration, CTUs, Inst. 3–11
CBIA
attachment screws, Maint. 3–47
harness, backplane and interface panel,
Tech. 2–11
module locations in, Tech. 2–12
replacement, Maint. 3–47
CBIA interface panel, layout diagram, Tech.
2–14
CBM
front panel diagram, Tech. 4–34
operation, Tech. 4–35
overview, Tech. 4–34
replacement, Maint. 3–22
Checks, pre–power up, Inst. 7–3
CIM, pinouts, Inst. 3–65
CIM/BIM, (T43/BIB), Tech. 6–21
Circuit breaker module
operation, Tech. 4–35
overview, Tech. 4–34
Circuit breakers, auxiliary equipment housing,
Tech. 7–4
cleaning materials, Maint. 2–2
Clearance, cabinet positioning, Tech. 1–16
Code loading, MCUF, Tech. 6–10
Component identification, main cabinet, Tech.
1–5
Configuration, Site optimization, Inst. 7–14
Connectors, Fibre optic extension, Inst. 3–61
Crate, packaging, Inst. 3–4
CTU
automatic gain control, Tech. 5–13
block diagram, Tech. 5–12
calibration, Inst. 3–11
CCCP processor, Tech. 5–18
connections to MCUF, Tech. 6–4
downlink traffic data flow, Tech. 5–19
EQCP processor, Tech. 5–17
front panel connectors, Tech. 5–11
IF and exciter stages, Tech. 5–14
installing a replacement module, Maint. 3–30
interface function, Tech. 5–18
IQ modulator, Tech. 5–14
LED status indicators, Tech. 5–9
power amplifier board, Tech. 5–15
removal procedure, Maint. 3–29
RF output power, Inst. 2–4
RSS processor, Tech. 5–17
Rx functions, Tech. 5–2
TDM links, Tech. 5–17
testing Rx circuitry, Tech. 5–7
Tx functions, Tech. 5–3
uplink traffic data flow, Tech. 5–19
variants, Tech. 5–4
CTU frequency hopping, Tech. 5–20