User's Manual Part 1

Earth Ground Cabling – continued
PRELIMINARY
1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU
MAY 2004
4-50
Figure 4-32: Typical Outdoor Grounding Configuration
LEGEND:
1. PSA – Primary Surge Arrestor
2. SSA – Secondary Surge Arrestor
3. CDT – Conduit
4. SLD – Shielded Cable
5. EGD – Earth Ground
6. TWR – Tower Ground
SLD
PDE
TME
GPS
cCLPA
ANTENNAS
ANTENNA
TOWER
PSA
PSA
PSA
SSA
CDT
POWER and DATA LINES
SINGLE POINT
MASTER GROUND
EGD
EGD
TWR
EGD
SLD
CDT
TWR
TME and PDE are electrically
isolated from ground.
In addition, there are shielded RF
cables connecting the TME and
PDE.
The TME to PDE Earth ground cable
can be routed through the power
conduit as long as a jumper cable is
spliced from the conduit ground
bushing to the earth cable
4