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Cisco ONS 15540 ESPx Hardware Installation Guide
78-16436-01
Chapter 2 Installing the Cisco ONS 15540 ESPx
Powering Up the Shelf
Step 5
Repeat
, connecting the second set of cables in the following
sequence:
•
Black lead to RTNB.
•
Red lead to –48B.
Step 6
Reinstall the terminal block access panel onto the chassis. Use the same four
screws used in
Step 7
Use two number 10 screws to attach the earth ground lead to the ground lugs on
the rear of the 15540-ACPS-N-E external power shelf. (See
Figure 2-35 Connecting to Earth Ground
Step 8
Connect the earth ground lead to an appropriate ground source.
Step 9
Attach the side A and side B cable ends to the short DC power cables at the cable
strain relief bracket. (See
1
Side B
2
Side A
99383
(-) NEG
(+) RTN
(-) NEG
(+) RTN