Service Manual

GSM-205-423
Site requirements and considerations
31st Oct 01
Inst. 1–10
Installation & Configuration: Horizon
macro
indoor
CONTROLLED INTRODUCTION
68P02902W08-B
RF output
power
Table 1-8 lists the RF power output of the CTU types.
Table 1-8 CTU RF power output at Tx connector
GSM850 and EGSM900 DCS1800 and PCS1900
60 W (47.8 dBm) +/– 1.0 dB 50 W (47.0 dBm) +/–1.0 dB
Table 1-9 lists the expected power output from the various Tx blocks for both
types of CTU.
Table 1-9 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)
CCB* n/a 20 W
(43.0 dBm)
16 W
(42.1 dBm)
n/a
* For a six-channel configuration with minimum cavity separation of 800 kHz.
NOTE CCBs are not currently available for use with the GSM850
or PCS1900 variants.
Environmental
requirements
Table 1-10 lists the operating environmental limits.
Table 1-10 Environmental limits
Environment Temperature Relative Humidity
Operating –5 C to + 45 C. 5% to 100% relative humidity, not to
exceed 0.029 g water / m
3
dry air.
Storage –45 C to +70 C. 8% to 100% relative humidity, not to
exceed 0.029 g water / m
3
dry air.
NOTE This specification is valid up to 3 km altitude,
corresponding to an atmospheric pressure range of 648 to
1048 millibars.