6
DR 4305 NexStar Installation and Operation
Data twisted pair
Power and Ground
twisted pair
SHIELD
GROUND
DATA
DATA+
+28 VDC
Figure 8: Connector Pin-Outs
The shield wire is connected to the ACU ground to provide single-point grounding. See the
appropriate ACU manual for additional information.
W
IRE
I
NSERTION
For wire insertion to Phoenix connectors, the following procedure is recommended:
1. Strip the wire end.
2. Twist the exposed strands tightly and tin the ends.
3. Crimp an appropriate size ferrule on the end of the wire. Be sure that the ferrule is crimped
on bare conductor metal, not the insulation.
CRIMP
SLEEVE
WIRE
PHOENIX
CONNECTOR
Figure 9: Wire Insertion
4. Insert ferrule in the appropriate Phoenix connector terminal. Tighten the connector binding
screw and torque to 5 inch-pounds (0.56Nm).
