Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 217

Chapter 5 Removal and Replacement Procedures
Note
Note
Wire for 6000 W (right side of power supply bay) as follows:
Step 11
From the right side of the power supply, connect the ground wire to the ground
a.
Figure 5-88
Input power
module
From the right side of the power supply, connect each of the DC-input wires to the terminal block
b.
(Figure 5-82
OL-4503-26
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).
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.
DC-Input Wire Connections for 6000-W DC-Input Power Supply for Right Side of
Power Bay
Terminal
block cover
CI SC O SY
Power
ST EM S, IN
C
switch
Captive
installation
screw
and Figure 5-88) in this order:
Negative (-)
Positive (+)
1
2
3
IN PU T
4
OK
FA N
OU TP UT
OK
FA IL
( ) Ground
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
( - ) Negative
(+) Positive
5-88).
5-89