Antenna Cabling for Sites Equipped With Customer–Supplied Site I/O
Interface
– continued
PRELIMINARY
SC
t
300 BTS Hardware Installation, ATP and FRU Procedures
DEC 2000
4-22
Procedure to Install Antenna
Cabling for One Antenna
You must install lightning arrestors for all outdoor
installations.
IMPORTANT
*
Route the antenna cable between the unit and the customer–supplied
lightning arrestor. If a lighting arrestor is not required, route the cabling
directly to the antenna. Refer to Figure 4-12 and Table 4-23.
Procedure to Install Antenna
Cabling for Multi–Unit
Configurations
If your site has more than one Microcell or Picocell unit, refer to
Figure 4-13 or Figure 4-14 for site cabling information. Route the
antenna cables between the units and the customer–supplied lightning
arrestors. If lighting arrestors are not required, route the cabling directly
to the antennas.
Figure 4-13: Antenna Cabling for Three Microcells
MICROCELL 3
MICROCELL 1
MICROCELL 2
ANT 4
TX/RX
LA
ANT 3
RX
LA
ANT 2
TX/RX
LA
ANT 1
TX/RX
LA
KEY
B/1(ANTENNA)
LABEL
NUMBER
OF CABLES
NAME
C/1(ANTENNA)
C/1(ANTENNA)
C/1(ANTENNA)
C/1(ANTENNA)
LA =
LIGHTNING
ARRESTOR
4