User Manual

Users Guide - Andrew InCell™ Fiber Optic Distributed Antenna System
3-7
Table 3-1. InCell System Cabling Methods
Cable Type ERAU Power Benefits
Composite cable assemblies
(Four fiber optic cables and
two 18 AWG copper wires)
Cut to customer specified
length, assembled, tested,
ready for installation
DC power to ERAU is
provided by the copper
wires in the composite
cable
Flexible, saves installation cost by providing
power and signal in one cable without having to
do field splicing of connectors. Andrew
composite cable is small in diameter and very
rugged.
Pre-tested cable assemblies are cut to length,
require no field fiber splicing and are ‘plug and
play’ ready
Bulk composite cable
(Four fiber optic cables and
two 18 AWG copper wires)
DC power to ERAU is
provided by the copper
wires in the composite
cable
Flexible, saves installation cost by providing
power and signal in one cable.
Requires field installation of connectors
Duplex single mode fiber
optic cable assemblies
Cut to customer specified
length, assembled, tested,
ready for installation
DC power to ERAU
must be provided from
a local DC power
supply located near
ERAU
Saves on cable material cost by using industry
standard single mode fiber optic cable. May
require AC power wiring, conduit, etc. to provide
local power to ERAU
Requires field installation of connectors
Bulk industry standard
duplex single mode fiber
optic cable
DC power to ERAU
must be provided from
a local DC power
supply located near
ERAU
Saves on cable material cost by using industry
standard single mode fiber optic cable. May
require AC power wiring, conduit, etc. to provide
local power to ERAU
Requires field installation of connectors
Fiber Optic Connectors
The SC type connector is the most popular connector type for the fiber-optic cables. The SC
connector is the recommended connector in the EIA/TIA-568A Building Wiring standard. It
provides a very reliable, low loss connection at a reasonable cost. The SC type connector is easy
to install and provides positive feedback when correctly seated. SC connectors have good lock,
pull and wiggle characteristics, ensuring that they will stay in place when installed and that they
are immune to tension or lateral pressure on the fiber cable.