User's Manual Part 2

2-6 LGCell Equipment
Standard MMF Uplink and Downlink Ports
The Main Hub transmits and receives RF signals to and from
the Expansion Hubs using up to 1 kilometer of industry-
standard 62.5
µ
m/125
µ
m MMF cable (up to 1.5 dB optical loss,
approximately 1 kilometer without jumpers).
•
Uplink/Input
(labeled
UP
)
This signal is the combination of all uplink signals received
by the Expansion Hubs connected to the system.
•
Downlink/Output
(labeled
DOWN
)
The downlink is a composite signal coming from the
duplexed N-type connector or from the downlink simplex
connector on the Main Hub back panel. The downlink signal
is re-radiated at all RAUs.
Main Hub LEDs
LED Color Indication
H
UB
LED
S
POWER
Green On/Off Fault
SYNC
Green On/Off Fault
P
ORT
LED
S
SYNC
Green
Red
Operational
Fault
LINK STATUS
Green
Red
Operational
Fault