Cisco MDS 9500 Series Hardware Installation Manual page 143

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
Step 2 Ensure that the system (earth) ground connection has been made. See the
on page
Grasp the power supply handle with one hand, place your other hand underneath the power supply, and
Step 3
slide the power supply into the power supply bay, ensuring that it is fully seated in the bay.
Tighten the captive screw on the power supply to 8 in-lb.
Step 4
Remove the two screws securing the terminal block cover and slide the cover off of the terminal block.
Step 5
Note
Loosen the screws inside the terminal block and attach the DC cables to the screws. The wire must be
Step 6
copper, and sized per local and national installation requirements.
Connect the DC cables to the terminal block in the following order:
Step 7
•
•
•
Warning
Caution
Reinstall the terminal block cover after ensuring that all cable connections are secure and tighten the
Step 8
screws holding the terminal block to the power supply.
Caution
Caution
Remove the tape from the circuit breaker switch handle and provide power by moving the handle to the
Step 9
on (|) position.Turning the power switch on also locks the power supply in the chassis.
Step 10 Verify power supply operation by checking that the power supply LEDs are in the following states:
•
•
•
OL-19587-01
2-17.
Use 90°C copper conductors for North American installations.
Ground
Negative (-)
Positive (+)
When installing or replacing the unit, the ground connection must always be made first and
disconnected last. Statement 1046
The DC return connection (Negative (-)) to this system is to remain isolated from the system
frame and chassis (DC-I).
Reinstall the terminal block cover to prevent a short circuit or shock hazard.
In a system with dual power supplies, connect each power supply to a separate source. In case
of a line failure, the second source will most likely still be available.
INPUT OK LED is green.
FAN OK LED is green.
Output fail LED is off.
Removing and Installing a Power Supply or PEM
"System Grounding" section
Cisco MDS 9500 Series Hardware Installation Guide
2-63