Service Manual

GSM-205-323
Specifications
31st Oct 01
Tech. 1–12
Technical Description: Horizon macro indoor
CONTROLLED INTRODUCTION
68P02902W07-B
Sensitivity
The receive sensitivity of the equipment is shown in Table 1-8.
Table 1-8 Rx sensitivity *
Frequency Band Without Duplexer With Duplexer
850 MHz –107 dBm –106 dBm
900 MHz –107 dBm –106 dBm
1800 MHz –108.5 dBm –107.5 dBm
1900 MHz –107 dBm –106 dBm
* Guaranteed over all channel types, fading profiles, RF frequencies
and operating conditions.
Battery backup
The Horizon macro indoor cabinet has no internal battery backup as standard.
An optional hold-up battery module, (sufficient to provide ten seconds of backup
power), can be fitted in the PSM shelf, in an empty slot or in place of the
redundant PSM. The optional hold-up battery module is described in chapter 4
of this category in Hold-up battery module
Additional battery backup capacity can be provided by installation of an optional
battery back up system, described in
Service manual: Battery backup system for
Horizonmacro indoor; GSM-205-023, 68P02900W59
.
BSC
connectivity
options
Options exist for E1, T1 and HDSL (star and daisy chain) connection.
Indoor cabinet
dimensions
The dimensions of cabinets are shown in Table 1-9.
Table 1-9 Cabinet dimensions
Cabinet type Height Width Depth
Cabinet (without hood) 750 mm 700 mm 430 mm
Cabinet with optional hood 870 mm 700 mm 430 mm
Cabinet with stacking bracket (to hold CCB) 1025 mm 700 mm 430 mm
Two cabinets, with stacking bracket
between, and optional hood on top
1900 mm 700 mm 430 mm
Two cabinets, with stacking bracket
between, and stacking bracket on top.
2050 mm 700 mm 430 mm
The optional hood allows cables to enter the cabinet from the back and above.
The stacking bracket allows a second cabinet to be stacked on top of the first
cabinet. The stacking bracket can also contain a metal basket, in which CCBs
are fitted (the only Tx unit that cannot fit in the cabinet itself).