Installation Instructions

DC Power Cabling
DEC 2000
6-23
SCt300 BTS Hardware Installation, ATP and FRU Procedures
PRELIMINARY
Objective
The objective of this procedure is to attach the DC input cable to the
unit. Use this procedure only when DC power is used to power the unit.
This equipment uses dangerous voltages and is capable of
causing death. Use extreme caution when handling and
testing this equipment.
WARNING
Cable Decription
The following cables in Table 6-14 are necessary to do this procedure.
Table 6-14: DC Input Cable Description and Part Number
Cable Qty. Part Number Description
U 1 3087854C04 DC input cable, 18 AWG, 5 m, is designed for 20 to 30 VDC power
input.
Power Cable and Connector
Signal Information
The DC input connector is located on the side of the unit. The unit is
designed for 40 to 60 VDC.
Procedure
Use the following procedure in Table 6-15 to connect the DC input cable
to the unit. Refer to Figure 6-14. The DC input cable should be
connected before the solar cover is attached.
Table 6-15: Procedure to Connect DC Power to the Unit
Step Action
1 Ensure that the ground wire has a connection to the Master
Ground Bus (also called Master Ground Plate).
2 Verify that the DC power breaker is open. The white collar on
the breaker is visible when it is open.
3 Place the round, black connector of the DC input cable onto
the DC input connector. See Figure 6-14. Turn the cable
connector to align its key.
4 Hand tighten the connector (a clicking sound is heard, this is
normal). When the red line on the connector on the unit is
covered, connection is complete.
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