2 Functional Description
Page 18
User’s Manual for ION-U 7/8/85/17/19
2.2. ION-U 7/8/85/17/19 Ports
The RF, optical, mains power, alarm, power control, and expansion ports are located
on the bottom of the RU as shown in figure 2-3.
A Local Port RS-232
G DL optical port
B Status LED
H UL optical port
C Pwr/Ctrl connector
I
Mains power connector
D Alarm connector
J RF antenna port
E Expansion UL port
K Grounding (earthing) bolt
F Expansion DL port
figure 2-3 RU Connectors and Status LED
Antenna Port
The RU has one duplex N-female antenna port
for transmitting and receiving
signals to and from distributed antennas. This RF port can be connected directly to
an antenna (i.e. using RF jumper cables) or through splitters, allowing additional
antennas to be fed by the RU.
Status LED
The
status LED provides a visual warning of an alarm condition. The color of the LED
indicates the severity of the alarm.
Expansion Ports
The Expansion UL and Expansion DL ports
are QMA female connectors that
are used to connect to a CommScope expansion unit to provide additional bands.
J
F
E
A
B
C
D
E
F
H
G
I
J
K
