User's Manual

User’s Manual for ION-B Systems
Page 13
Optical Ports
The LC-APC optical connectors are used to send and receive the signals between
the RU and the Master Unit’s OTRx modules.
• A DL optical port receives downlink signals from the MU OTRx.
• A UL optical port transmits uplink signals to the MU OTRx.
Mains Connector
The RU receives its power through the Mains connector . The type of connector is
dependent on the RU model. A 4-pin Amphenol connector is used for AC models and
standard DC models. A 7-pin Amphenol connector is used for DC models powered
by a dual cable supply.
Alarm connectors
The RU has two alarm relay outputs that can be used report alarms to external
devices. The Alarm connectors , lower band and , higher bands are 5-pin Binder
connectors.
C
F
B
G