Service Manual

GSM-205-020
31st Oct 01
Service Manual: Horizon macro indoor
68P02902W06-B
CONTROLLED INTRODUCTION
I–5
Duplexing, Tech. 5–3
E
E1 NIU, Tech. 6–19
E1/T1, testing, Inst. 2–3
E1/T1 lines, transient protection, Inst. 2–21
Earth, cabling, Inst. 2–54
Earth handling protection, ESP point, Inst. 2–55
Earthing, site, Inst. 2–21
Earthing points, cabinet, Inst. 2–55
EMC, containment, Maint. 2–28
Equipment, delivery, Inst. 2–5
ESP, connection point, Inst. 2–55
Extension cabinets, alarm transmission, Tech.
6–25
External alarm connector, pinouts, Inst. 2–48
External alarms, shorting plug, Inst. 2–48
Eyebolt
attachment points, Inst. 2–14
positions, Inst. 2–15, Inst. 5–3
safety, Inst. 2–15, Inst. 5–3
F
Fan, replacement, Maint. 2–11
Fan module, individual fan replacement, Maint.
2–4
Fans
heat control, Tech. 3–1
temperature control, Tech. 3–2
Feedthrough plate
replacement, Maint. 2–28
Tx block screws, Tech. 5–31
Fibre optic extension, top panel, Tech. 2–6
Filter, removal and cleaning, Maint. 1–5
FMUX
connecting extension cabinets, Tech. 6–22
function, Tech. 6–23
internal to MCUF, Tech. 6–13
overview, Tech. 6–22
replacement, Maint. 2–32
FMUX fibre optic connections, MCUF, Tech. 6–7
Forms
Completion/inspection sample, Inst. 4–13
connection sample, Inst. 4–11
Frequency band characteristics, Tech. 1–14
Frequency hopping, description, Tech. 5–20
FRU
blanking plate, Maint. 2–28
CBM, Maint. 2–13
CTU, Maint. 2–19
digital boards, Maint. 2–32
door, Maint. 2–5
fan, Maint. 2–11
feedthrough plate, Maint. 2–28
HCU, Maint. 2–28
hood, Maint. 2–8
PSM, Maint. 2–15
stacking bracket, Maint. 2–9
SURF, Maint. 2–22
Tx block, Maint. 2–25
FRUs, assumed procedures, Maint. 1–3
G
GPS connector, pinouts, Inst. 2–49
H
Harness
backplane, Tech. 2–8
cage, replacement, Maint. 2–4
HCU, replacement, Maint. 2–28
Heat control, cabinet, PSMs, CTUs, Tech. 3–1
Heat sensors
description, Tech. 3–1
replacement, Maint. 2–7
Hold–up battery module, Tech. 4–5
Hood
installation, Inst. 2–10
Removal, Maint. 1–3
replacement, Maint. 2–8
to stacking bracket, change procedure, Inst.
2–10
Hybrid Combining Unit, Tx block screws, Tech.
5–31
I
ICS connector, pinouts, Inst. 2–53