Service manual

2-26 Installation: Electrical Connections
2.3.4 Base Station/Repeater Maintenance Connections
Table 2-9 provides a description of the maintenance connections located on the front of the SCM.
Table 2-9. SCM Connectors
Connector
Name
Connector
Type
Purpose
Service USB Type B
Service Computer connection. This connector is accessible with front
cover in place. VBUS (+5 V) is not provided on the USB connector.
Mic RJ45 (8 Pin)
Microphone connection. Compatible with microphone GMMN4063 or
equivalent (older model, GMN6147). This connector is accessible with
front cover in place.
NOTE: The Mic port is only supported in analog mode regardless of the
microphone used. For older microphone model (GMN6147), the three
control buttons for speaker volume control, Rx monitor and Intercom
control functions are not supported.
Speaker 4P4C
Speaker connection. Compatible with Service Speaker HSN1006 or
equivalent (older model, HSN1000). This connector is accessible with
front cover in place.
NOTE: The Speaker port is only supported in analog mode regardless of
the speaker used.
Ethernet
RJ45 (8 Pin)
(Vertical)
Network connection to Trunking Controller. The front cover must be
removed to access this connector. An optional extension cable can also
be used to route this input to the rear of the station. Alternatively, the
Ethernet cable can also be routed out through the slots provided in the
front panel.
Ext Ref BNC (Vertical)
External reference input. The front cover must be removed to access this
connector. Alternatively, an extension cable can be used to route this input
to the rear of the station.