Cisco 6503 - Catalyst Firewall Security Sys Installation Manual page 259

Chapter 4 Removal and Replacement Procedures
Step 14 From the left 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 4-37
Power leads
attached to
terminal block
(+) Positive
( - ) Negative
(+) Positive
( - ) Negative
Wrap the large perforated flaps of the insulators around each pair of source DC cables, inserting each
Step 15
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.
Step 16 Position and secure the left inner terminal block cover with two screws. Position and secure the right
inner terminal block cover with one screw.
Step 17 Using the cable tie provided, place the cable tie through the slot at the top of the left terminal block cover,
and secure the wiring to the right terminal block.
Step 18 Install and secure outer terminal block cover with the two screws.
If you are installing a second power supply that operates at 4000 W in the right side power supply bay,
Step 19
proceed to
section on page
OL-5781-08
Figure 4-37) in this order:
DC-Input Wire Connections for 4000 W Operation (Left-Side Power Bay)
Terminal
Plastic
block cover
insulator
I
( ) Ground
0
Power
switch
Captive
installation
"Installing the 4000 W Power Supply (Wiring for 4000 W Operation; Right Power Bay)"
4-54; otherwise, go to
Removing and Installing the DC-Input Power Supplies
Power leads Terminal
attached to
block cover
terminal block
Plastic
(+) Positive
insulator
( - ) Negative
INP UT OK
FAN
OUT PUT
1
2
3
OK
FAIL
screw
Step 20.
Catalyst 6500 Series Switches Installation Guide
( ) Ground
4-53