Cisco 7606-S Installation Manual page 78
Field-replaceable units (frus)
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Removing and Replacing the Power Supply
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If you are wiring for 4500 W for a single power supply, proceed to Step 8; if you are wiring 4500 W for
a redundant power supply, proceed to Step 8 and then Step 11. In either case, proceed to step 14 upon
completion.
If you are wiring for 6000 W for a single power supply, proceed to Step 9; if you are wiring 6000 W for
Note
a redundant power supply, proceed to Step 9 and then Step 12. In either case, proceed to step 14 upon
completion.
Wire for 2800 W (left side of power supply bay) as follows:
Step 6
From the left side of the power supply, connect the ground wire to the ground
a.
Cisco 7600 Series Router Installation Guide
5-78
6000 W power supplies ship with AWG #4 lugs with 45-degree angled, 2-hole compression lug
for both power and ground wiring. Additional lugs for different wire size should be purchased
seperately.
The power supply terminal block lug opening width is 0.62 inch (15.8 mm). The terminal posts
are centered 0.625 inches (15.88 mm) apart and are 1/4-20 threaded. We recommend that you
use an appropriately sized industry standard 45 degree angled, 2-hole, standard barrel
compression lug for both power and ground lugs (for example, on AWG #4 wires, Panduit part
number LCC4-14AWH-L or equivalent). The power supply ground studs, located beside the
terminal block.
For 6000 W power supplies, use fine-stranded copper conductors rated for 90-degrees Celsius
for North American installations.
The 6000 W DC-input power supply provides voltages of 2800 W, 4500 W, or 6000 W. Select
2800 W by wiring any two positive (+)/negative (-) terminal pairs in any sequence. Select
4500 W by wiring any three positive (+)/negative (-) terminal pairs in any sequence. Select
6000 W by wiring all four terminals. The Cisco IOS software detects the wired inputs and sets
the proper system power.
If you are wiring for 2800 W for a single power supply, proceed to Step 7; if you are wiring
2800 W for a redundant power supply, proceed to Step 7 and then Step 10. In either case, proceed
to step 14 upon completion.
Chapter 5
Removal and Replacement Procedures
(Figure
5-78).
OL-4503-24
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