Cisco AJ732A - MDS 9134 Fabric Switch Installation Manual page 113

Chapter 2 Installing the Cisco MDS 9500 Series
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
Providing Power to a DC Power Supply in the Cisco MDS 9509 Director
Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning When installing or replacing the unit, the ground connection must always be made first and
disconnected last. Statement 1046
For more information on DC power supply for the MDS 9509 Director, see the
section on page
Figure 2-20
Figure 2-20
5
4
1 Terminal block cover
2 Power supply LEDs
3 Captive screw
Use 90-degree C fine-stranded copper conductors for North American installations.
Note
To provide power to a DC power supply in a Cisco MDS 9509 Director, follow these steps:
Step 1 Ensure that all power is off. Locate the circuit breaker on the panel board that services the DC circuit.
Switch the circuit breaker to the off position, and then tape the switch handle of the circuit breaker in
the off position.
OL-17467-02
2-17.
shows the 2500-W DC power supply.
2500-W DC Power Supply for the Cisco MDS 9509 Director
1
I
0
INP UT
FAN OUT PUT
OK
OK
FAIL
3 2
4 Power supply switch
5 Terminal block
Cisco MDS 9500 Series Hardware Installation Guide
Starting Up the Switch
"System Grounding"
2-33