Service Manual

GSM-204-423
Site requirements and considerations
31st Oct 01
Inst. 2–4
Installation & Configuration: Horizon
macro
outdoor
CONTROLLED INTRODUCTION
68P02902W03-A
RF output power
Table 2-7 lists the RF power output of the CTU types.
Table 2-7 CTU RF power output at Tx connector
GSM850 and EGSM900 DCS1800 and PCS1900
60 W (47.8 dBm) +/–1.0 dBm 50 W (47.0 dBm) +/– 1.0 dBm
Table 2-8 lists the expected power output from the various Tx blocks for both
types of CTU.
Table 2-8 RF power output at cabinet after Tx blocks
Tx block GSM850 EGSM900 DCS1800 PCS1900
TDF 40 W
(46.0 dBm)
32 W
(45.1 dBm)
DCF 20 W
(43.0 dBm)
16 W
(42.1 dBm)
DDF 8.5 W
(39.3 dBm)
7 W
(38.5 dBm)
Environmental
requirements
Table 2-9 lists the operating environmental limits.
Table 2-9 Environmental limits
Environment Temperature Relative Humidity
Operating –40 C to +50 C
plus a solar gain
of 1.2 kW/m
2
5% to 100% relative humidity, not to
exceed 30 g water / m
3
air.
Storage –45 C to +70 C 8% to 100% relative humidity, not to
exceed 30 g water / m
3
air.
NOTE This specification is valid up to 3 km altitude,
corresponding to an atmospheric pressure range of 648 to
1048 millibars.