Cisco 7606-S Installation Manual page 82
Field-replaceable units (frus)
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Also See for 7606-S:
- Configuration manual (742 pages) ,
- User manual (446 pages) ,
- Installation manual (324 pages)
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Removing and Replacing the Power Supply
Figure 5-81 DC-Input Wire Connections for 2700-W DC-Input Power Supply, Right Side of Power Bay
Input power
module
b.
From the right side of the power supply, connect the DC-input wires to the terminal block
(Figure 5-77
Note
Secure outer block cover.
c.
Note
Note
Cisco 7600 Series Router Installation Guide
5-82
Terminal
block cover
Power
CI SC O SY
ST EM S, IN
C
switch
Captive
installation
screw
and
Figure
5-81) in this order:
Negative (-)
Positive (+)
When you tighten the terminal nuts, make sure they are snug. Do not over tighten them.
Recommended torque strength is 20 inch-pounds. Over tightening the terminal nuts can
break the terminal block (Maximum torque: 36 inch-pounds).
For proper 2800W DC-input redundant power configuration, both pairs of input wires for
one 6000W DC-input power supply must come from the same battery system (A feed); both
pairs of input wires for the other 6000W DC-input power supply must come from another
battery system (B feed).
For multiple DC input power supply, each DC input must be protected by dedicated circuit
breaker or fuse. The circuit breaker or fuse should be sized according to the power supply
input rating and local or national electrical code requirements.
Chapter 5
1
2
3
IN PU T
4
OK
FA N
OU TP UT
OK
FA IL
( ) Ground
Removal and Replacement Procedures
Power leads
attached to
terminal block
( - ) Negative
(+) Positive
( - ) Negative
(+) Positive
OL-4503-24
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