Cisco 6503 - Catalyst Firewall Security Sys Installation Manual page 263

Chapter 4 Removal and Replacement Procedures
Step 13 From the right side of the power supply, connect the third pair of source DC cables to the power supply
terminal block VE-3 (see
1. Negative (-) source DC cable to terminal posts –VE-3
Positive (+) source DC cable to terminal posts +VE-3
2.
When you tighten the terminal nuts, make sure that they are snug. Do not overtighten them.
Caution
Overtightening the terminal nuts can damage the terminal block. The recommended torque values for
tightening the terminal nuts are 15 inch-pounds (1.7 newton-meters) (minimum) and 20 inch-pounds
(2.2 newton-meters) (maximum).
Figure 4-40
Terminal
block cover
( ) Ground
Power
switch
Wrap the large perforated flaps of the insulators around each pair of source DC cables, inserting each
Step 14
locking tab into the rear of the slot. Pull the tab until the cover is secured around the power cabling trim,
and discard excess tab plastic.
Position and secure the left inner terminal block cover with two screws. Position and secure the right
Step 15
inner terminal block cover with one screw.
Using the cable tie provided, place the cable tie through the slot at the top of the right terminal block
Step 16
cover, and secure the wiring to the left terminal block.
Step 17 Install and secure outer terminal block cover with the two screws.
OL-5781-08
Figure 4-40) in this order:
DC-Input Wire Connections for 4000 W Operation (Right-Side Power Bay)
Power leads
attached to
terminal block
(+) Positive
( - ) Negative
(+) Positive
( - ) Negative
Plastic
insulator
I
0
INP UT OK
1
2
3
Captive
installation
screw
Removing and Installing the DC-Input Power Supplies
Power leads
attached to
Plastic
terminal block
Terminal
insulator
(+) Positive
block cover
( - ) Negative
FAN
OUT PUT
OK
FAIL
( ) Ground
Catalyst 6500 Series Switches Installation Guide
4-57