User's Manual

LGCell Expansion Hub
4-4 LGCell 4.0 Installation, Operation, and Reference Manual PN 8100-40
620004-0 Rev. B
4.1.2 RJ-45 Ports
The Expansion Hub’s RJ-45 ports are for the Cat-5 UTP/STP cables that are used to
transmit and receive electrical signals to/from up to four RAUs. There are four ports
on the Expansion Hub’s front panel.
Figure 4-4 RJ-45 Ports on the Expansion Hub
Port Disconnect Memory
The Expansion Hub detects when active UTP/STP cable and RAUs are connected to
its RJ-45 ports. An alarm is issued and latched if you disconnect an active UTP/STP
cable or an attached RAU. The port disconnect memory and alarm are cleared if you
reconnect the cable into the same functioning port. The error latch remains active
until power is cycled. If you do not want to use that port, you should cycle the Expan-
sion Hub’s power to clear the port disconnect memory and the error latch.
Female RJ-45 ports
AC POWER
LGCell
TM
Expansion Hub
SYNC
POWER
SYNC
LINK
STATUS
ANTENNA PORTS
DOWN
UP
MAIN HUB PORT
for RAU connection
(4 per hub)