Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 224

Removing and Replacing the Power Supply
Figure 5-93
Power leads
attached to
terminal block
(+) Positive
( - ) Negative
(+) Positive
( - ) Negative
d. From the left side of the power supply, connect the DC-input wires to TB1 in this order:
Note
e. From the left side of the power supply, connect the DC-input wires to TB2 in this order:
Note
Using the cable tie provided, place the cable tie through the slot at the top of the left terminal block
f.
cover and secure the wiring going to TB2.
Place and secure left and right inner terminal block cover.
g.
Secure outer block cover.
h.
Cisco 7600 Series Router Installation Guide
5-96
DC-Input Wire Connections for 4000-W DC-Input Power Supply for Left Side of Power
Bay
Terminal
Plastic
block cover
insulator
( ) Ground
0
Power
switch
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).
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).
Chapter 5
Terminal
Power leads
attached to
block cover
terminal block
Plastic
(+) Positive
insulator
( - ) Negative
I
INP UT OK
FAN OUT PUT
1
2
3
OK
FAIL
Captive
installation
Removal and Replacement Procedures
( ) Ground
OL-4503-26