User's Manual
DC Power Cabling
JAN 2002
6-25
SC300 1X BTS Hardware Installation, ATP, and FRU Procedures
DRAFT
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
Required Cables
The following cables in Table 6-18 are necessary to do this procedure.
Table 6-18: Required Cables for DC Input Power Cable Installation
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 20 to 30 VDC.
Procedure to Connect DC Input
Power Cabling to the Unit
Use the following procedure in Table 6-19 to connect the DC input cable
to the unit. Refer to Figure 6-16. The DC input cable should be
connected before the solar cover is attached.
Table 6-19: Procedure to Connect DC Input Power Cabling 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 6-16. 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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