Cisco 7606-S Installation Manual page 83

Chapter 5 Removal and Replacement Procedures
Wire for 4500 W (right side of power supply bay) as follows:
Step 10
From the right side of the power supply, connect the ground wire to the ground
a.
Figure 5-82 DC-Input Wire Connections for 4000-W DC-Input Power Supply, Right Side of Power Bay
Input power
module
From the right side of the power supply, connect each of the DC-input wires to the right power
b.
supply terminal block
Note
Secure outer block cover.
c.
Note
OL-4503-24
Terminal
block cover
Power
CI SC O SY
ST EM S, IN
C
switch
Captive
installation
screw
(Figure 5-77
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 4500W DC-input redundant power configuration, three pairs of input wires for
one 6000W DC-input power supply must come from the same battery system (A feed); three
pairs of input wires for the other 6000W DC-input power supply must come from another
battery system (B feed).
1
2
3
IN PU T
OK 4
FA N
OU TP UT
OK
FA IL
( ) Ground
and Figure 5-82) in this order:
Cisco 7600 Series Router Installation Guide
Removing and Replacing the Power Supply
(Figure
Power leads
attached to
terminal block
( - ) Negative
(+) Positive
( - ) Negative
(+) Positive
( - ) Negative
(+) Positive
5-82).
5-83