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DLP-L53 Turning On and Verifying DC Office Power on the NCS2002Shelf
b) To verify the ground, place the black test lead of the voltmeter to the frame ground. Place the red test lead
on the A-side return ground and verify that no voltage is present. Place the red test lead on the B-side
return ground and verify that no voltage is present.
Step 2
To power up the node, insert the fuse into the fuse position according to site practice. The fuse rating must
not exceed 15A.
Step 3
Using a voltmeter, verify the NCS 2002 shelf for –48 VDC battery and ground:
a) To verify the A-side of the shelf, place the black lead of the voltmeter to the frame ground. Place the red
test lead to the -48V (A-side battery connection) red cable. Verify that it reads between –40.5 VDC and
–57.6 VDC. Then place the red test lead of the voltmeter to the RET1 (A-side return ground) black cable
and verify that no voltage is present.
Note
b) To verify the B-side of the shelf, place the black test lead of the voltmeter to the frame ground. Place the
red test lead to the -48V (B-side battery connection) red cable. Verify that it reads between –40.5 VDC
and –57.6 VDC. Then place the red test lead of the voltmeter to the RET2 (B-side return ground) black
cable and verify that no voltage is present.
Step 4
Return to your originating procedure (NTP).
Cisco NCS 2000 Series Hardware Installation Guide
94
The voltages –40.5 VDC and –57.6 VDC are, respectively, the minimum and maximum voltages
required to power the chassis.
Connecting Power and Ground
- Quick Links:
- Cisco Ncs 2006 Shelf
- Ncs 2006
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