Extreme Networks Alpine 3802 Hardware Installation Manual page 133

DC input power is provided through a three-pin connector on the front panel.
Before installing or removing a Summit48si DC power supply, read the following warnings.
WARNING!
Before you can attach the keyed connector to the DC power supply, the wiring harness (supplied) must
be hard-wired to the DC source by a qualified, licensed electrician.
WARNING!
The Summit48si switch and rack must be connected to protective earth ground before installing any
switch components.
CAUTION
If you are replacing a DC power supply, disconnect the keyed DC connector from the power supply
before removing it from the switch to prevent damage to the DC power supply output connector.
NOTE
For centralized DC power connection, this product is intended to be installed in Restricted Access Areas
(Dedicated Equipment Rooms, Equipment Closets, or the like) in accordance with Articles 110-16,
110-17, and 110-18 of the National Electric Code, ANSI/NFPA 70.
You need the following tools and equipment to install a Summit48si switch DC power supply:
• ESD-preventive wrist strap
• # 2 Phillips screwdriver
To install the Summit48si DC power supply:
1 Attach the ESD strap to your wrist and connect the metal end to the ground receptacle on the
top-right corner of the switch front panel.
2 If there is a blank faceplate covering the power supply bay, remove it and save it for future use.
3 Ensure that the power supply is right side up.
NOTE
When you insert a power supply, use one hand to support the power supply from the bottom and the
other hand to hold the central handle on the front of the power supply.
4 Use the central handle to guide the power supply into the bay while supporting the supply from the
bottom with your other hand.
CAUTION
Do not slam the power supply into the backplane. This or other excessive force will cause damage
and possibly require the return of the switch.
Extreme Networks Consolidated "i" and "e" Series Hardware Installation Guide
Installing the Summit48si Switch DC Power Supply
133