Statement 1045
This product requires short-circuit (overcurrent) protection, to be provided as part of the building installation.
Install only in accordance with national and local wiring regulations.
Warning
Statement 1046
When installing or replacing the unit, the ground connection must always be made first and disconnected
last.
Warning
Statement 1074
Installation of the equipment must comply with local and national electrical codes.
Warning
Before installing a DC power supply to the switch, you will need to attach DC connection wires that you
provide to the DC power connector included in the DC power supply's accessory kit. For 240-380 VDC power
supply, the dual-pole breaker or fuse rating is 20 A. For 40-72 VDC power supply, the single breaker or fuse
is 40 A.
Before You Begin
Each DC input power cable is terminated at the power distribution unit (PDU) by a cable lug, as shown in the
following figure.
Figure 18: DC Input Power Cable Lug
To avoid hazardous conditions, all components in the area where DC input power is accessible must be
properly insulated. Therefore, before installing the DC cable lugs, be sure to insulate the lugs according
to the manufacturer's instructions.
Note
Step 1
Turn off the circuit breaker from the power source.
Step 2
Remove the plastic cover from the terminal block.
Step 3
Insert the black (DC negative) wire into the right aperture on the connector and tighten down the connection set screw.
Finger tight or about 3 ft./lbs should be sufficient.
Step 4
Insert the red (DC positive) wire into the left aperture on the connector and tighten down the connection set screw. Finger
tight or about 3 ft./lbs should be sufficient.
Hardware Installation Guide for Cisco NCS 5500 Series Fixed-Port Routers
30
Install the Chassis
Connect DC Power to the Chassis - NCS-950W-DCFW-A
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