Cisco 7606-S Installation Manual page 71

Chapter 5 Removal and Replacement Procedures
Figure 5-73 DC-Input Wire Connections for 4000-W DC-Input Power Supply for Left Side of Power Bay
Power leads
attached to
terminal block
(+) Positive
( - ) Negative
(+) Positive
( - ) Negative
From the left side of the power supply, connect the DC-input wires to TB1 in this order:
d.
Note
e. From the left side of the power supply, connect the DC-input wires to TB2 in this order:
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.
Wire for 2700 W (right side of power supply bay) as follows:
Step 11
Place both plastic insulators over the terminal areas, aligning the circular holes in insulating cover
a.
with terminal posts. The protective end flap on the plastic cover is opposite the wire entry area. The
protective end flap must fold down and cover the open side of the terminal (opposite side from wire
entry).
OL-4503-24
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 (+)
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
screw
Cisco 7600 Series Router Installation Guide
Removing and Replacing the Power Supply
( ) Ground
5-71