Cisco CATALYST 6509E 9 SLOT 15U CHASSIS NO POWER SUPPLY NO FAN TRAY Specification Guide

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Catalyst 6500 Series Switches Installation Guide
OL-5781-04
Chapter 4      Removal and Replacement Procedures
  Removing and Installing the DC-Input Power Supplies
Figure 4-14 DC-Input Wire Connections on the Terminal Block (WS-CDC-2500W)
INPUT
OK
FAN
OK
OUTPUT
FAIL
I
0
85907
Power leads
attached to
terminal block
( - )  Negative
(+)   Positive
(   )  Ground
Captive 
installation
screw
Power
switch
DC-input cable