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

The power supply terminal block lug opening width is 0.62 inch (15.8 mm). The terminal posts are 
centered 0.63 inches (15.88 mm) apart and have a 1/4-20 thread. We recommend that you use an 
appropriately sized industry standard 2-hole, standard barrel compression lug. (See 

power supply ground studs, located below the terminal block, also have 1/4-20 threads and require two 
1/4-inch split-ring washers and two 1/4-20 hex nuts. 

The DC-input wires and the DC power supply ground wires should be sized according to the local and 
national installation requirements. Use only copper wire. For North American installations, use 
90°C-rated, fine-strand copper conductors.

Use both hands to install and remove power supplies. Each DC-input power supply weighs 32 pounds 
(14.5 kg). 

Grasp the power supply handle with one hand, and place your other hand underneath the power supply. 
Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the 
bay. (See 

Tighten the power supply captive installation screws.

Crimp area

120563

2.25

.25

.37

.63

Ø .267

2 holes

All measurements in inches

104978

INPUT OK

FAN

OK

OUTPUT

FAIL

I

0

1

3

2