Service Manual

GSM-204-020
31st Oct 01
Service Manual: Horizon macro outdoor
68P02902W12-A
CONTROLLED INTRODUCTION
I–5
Customer equipment racking, Tech. 2–18
D
DC circuit breakers, replacement procedure,
Maint. 3–14
DC power
circuit breaker panel, Tech. 4–11
component diagram, Tech. 4–9
Internal battery backup, Tech. 4–11
DCF, Tech. 5–42
DDF, Tech. 5–44
Debug port, MCUF, Tech. 6–8
Decommissioning, BTS, Inst. 8–3
Diagnostics, loopback test function, Tech. 5–5
Diagram, interface panel, Inst. 3–61
Digital boards
power supply, Tech. 4–36
replacement, Maint. 3–40
Digital modules
locations, Tech. 6–2
overview, Tech. 6–1
redundancy, Tech. 6–1
replacement procedures, Maint. 3–41
Digital processing, on the CTU, Tech. 5–16
Dimensions
auxiliary equipment housing, Tech. 1–12,
Inst. 2–2
main cabinet, Tech. 1–12
outdoor cabinet, Inst. 2–2
site for cabinet, Tech. 1–17
Door
auxiliary equipment housing, replacement
procedure, Maint. 4–8
environmental seal replacement, Maint. 3–7
key, Tech. 2–19
locking angles, Maint. 2–3
opening and closing, Inst. 3–8, Maint. 2–3
operation, Maint. 2–3
replacement procedure, Maint. 3–4
Door lock, replacement, Maint. 3–47
Door sensor, replacement, Maint. 3–47
Doors, main cabinet, detail diagram, Tech. 2–19
Duplexing, Tech. 5–3
E
E1 NIU, Tech. 6–20
Earth, cabling, Inst. 3–19
Earth handling protection, ESP point, Inst. 3–20
Earth plates
cable connection, Inst. 3–32
fitting (left side), Inst. 3–34
Layout and function, Tech. 2–8
Earthing
auxiliary equipment housing, Inst. 5–10
cabinet, Inst. 3–16
continuity check, Inst. 7–5
site, Inst. 2–13, Inst. 2–14
Electricity supply
inspection certificate, Inst. 7–23
request for connection certificate, Inst. 7–4,
Inst. 7–6
request for connection form, Inst. 7–21
EMC, containment, Maint. 3–37
Environmental seal, auxiliary equipment
housing, replacement procedure, Maint.
4–12
ESP, connection point, Inst. 3–20
Extension cabinets, alarm transmission, Tech.
6–26
External alarm connector, pinouts, Inst. 3–68
External battery connectors, Tech. 4–13
Eyebolts, Inst. 3–7, Inst. 8–1
F
Fan
auxiliary equipment housing, Tech. 7–3
replacement procedure, Maint. 4–10
TMS, replacement procedure, Maint. 3–11
Fault finding, CAB debug facilities, Tech. 4–24
Feedthrough plate, Tech. 5–35
replacement, Maint. 3–37
Tx block screws, Tech. 5–31
Fibre optic extension, top sectionl, Tech. 2–6
Field replaceable units, Maint. 3–1
auxiliary equipment housing, Parts 1–3
location diagram, Maint. 3–2
main cabinet, Parts 1–2