User's Manual Part 1

Antenna Cabling – continued
Jun 2004
4-61
1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU
DRAFT
LIGHTNING
ARRESTOR
Antenna
A
(B)
50–Ohm
Loads
LIGHTNING
ARRESTOR
Antenna
B
(B)
cCLPA 1
cCLPA 2
(B)
(B)
(B)
(B)
Figure 4-38: Antenna Cabling with 2 cCLPAs
NOTE:
If the antennas are located indoors the lightning arrestors
are not required.
If the antennas are located outdoor and the BTS indoor,
the arrrestors are required and located in the integrated
wall entry ground system panel
.
If this is an oudoor configuration then surge arrestors are
required on both ends of the BTS to cCLPA TX and RX
cables.
These LAs are not
required for outdoor
configuration.
SURGE
ARRESTORS
SURGE
ARRESTORS
SA
SA
SA
Surge Arrestors are required on both
ends of the antenna cables in an
outdoor configuration.
4