User Manual

Users Guide - Andrew InCell™ Fiber Optic Distributed Antenna System
2-8
• DC Power connector, ERAU: Molex PN 03-06-1022
• DC Power sockets, ERAU: Molex PN 02-06-1103
• DC Power plug, composite cable: Molex PN 03-06-2023
• DC Power pin, composite cable: Molex PN 02-06-2103
ERAU Auxiliary DC Power Input
The ERAU is also provided with a DC power jack for supplying local power to the ERAU. The
power jack accepts from +40 to +60 VDC. The ERAU will run cooler and have a longer lifetime
if lower power is used.
• AUX DC socket Part Number:
• AUX DC Plug Part Number:
ERAU Bottom Panel
Figure 2-9 provides a detailed view of the ERAU bottom panel, showing fiber optic uplink and
downlink connectors and the two DC power input connectors. The ERAU also has one Link
Alarm LED and one Power Alarm LED. These indicators provide the status of the ERAU and
the fiber optic uplink signal paths. The ERAU status indicators are discussed in the maintenance
section of the manual.
The bottom view of the ERAU also shows the Type N RF connectors that are typically used to
connect to an indoor antenna.
Although most indoor antennas have a short coax cable jumper, an adapter may be needed if the
antenna jumper does not have an Type N connector on it. The indoor antenna may be a
directional antenna mounted on a wall or pole or an omni antenna mounted on a ceiling.
For some cases, the ERAU may be used to drive a radiating cable such as the Andrew
RADIAX® or Andrew Flat strip RADIAX® to provide well-controlled signal coverage down
long hallways. The ERAU may also be connected to a two-way or four-way power
divider/combiner for interfacing to multiple antennas.