Service Manual

GSM-205-323
Equipment introduction and manual definition
31st Oct 01
Technical Description: Horizon macro indoor
68P02902W07-B
CONTROLLED INTRODUCTION
Tech. 1–1
Equipment introduction and manual definition
Overview of
Horizon
macro
indoor
The Horizon macro indoor is a six carrier base transceiver station (BTS) cabinet,
with variants that operate in the following frequency bands: GSM850, GSM/
EGSM900, DCS1800, and PCS1900.
Indoor cabinets operate from either –48/60 V dc (positive earth), +27 V dc
(negative earth), or wide input, nominal 120/240 V, ac single phase supplies.
An optional battery backup system is available for use with the –48/60 V dc
BTS, and is described in
Service Manual: Battery Backup System for
Horizonmacro Indoor: (GSM-205-023) Order number 68P02900W59
.
Cooling is provided by circulation fans located in the bottom of the unit.
Figure 1-1 shows an external view of a standard cabinet with an optional hood
fitted.
ig.225.rh
Figure 1-1 Indoor cabinet on plinth with optional hood