Cisco 7606-S Installation Manual page 90
Field-replaceable units (frus)
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- Configuration manual (742 pages) ,
- User manual (446 pages) ,
- Installation manual (324 pages)
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Removing and Replacing the Power Supply
Figure 5-87 DC-Input Wire Connections for 2700-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
d.
Figure
Note
Place and secure left and right inner terminal block cover.
Secure outer block cover.
e.
Wire for 4000 W (left side of power supply bay) as follows:
Step 9
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).
Wrap the large perforated flaps around each pair of conductors, inserting each locking tab into rear
b.
of slot. Pull the tab until the cover is secured around the power cabling trim and discard excess tab
plastic.
From the left side of the power supply, connect the ground wire to the ground
c.
Cisco 7600 Series Router Installation Guide
5-90
Terminal
Plastic
block cover
insulator
( ) Ground
0
Power
switch
5-87) 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).
Chapter 5
I
INP UT OK
FAN
OUT PUT
1
2
3
OK
FAIL
Captive
installation
screw
Removal and Replacement Procedures
(Figure 5-86
and
(Figure
5-88).
OL-4503-24
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