Electrical Safety Rules - Avaya S8800 Manual

3. Check the power cord:
4. Check inside the server for any obvious unsafe conditions, such as metal filings,
5. Check for worn, frayed, or pinched cables.
6. Verify that the power-supply cover fasteners, such as screws or rivets, have not
7. If you notice any damage, replace the appropriate system components.

Electrical safety rules

Electrical current from power, telephone, and communication cables can be hazardous. To
avoid any shock hazard, you must disconnect all power cords and cables.
Observe the following rules when working on electrical equipment.
• Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical
outlet. If an electrical accident occurs, you can then operate the switch or unplug the power
cord quickly.
• Do not work alone under hazardous conditions or near equipment that has hazardous
voltages.
• Disconnect all power before:
- Doing a mechanical inspection
- Working near power supplies
- Removing or installing servers
• Before you start to work on the server, unplug the power cord. If you cannot unplug it, ask
the customer to switch off the wall box that supplies power to the server. Afterwards, lock
the wall box in the off position.
• If you must work on a server that has exposed electrical circuits, observe the following
precautions:
- Ensure that another person, familiar with the power-off controls, is near you. Another
person must be there to switch off the power if necessary.
- Stand on suitable rubber mats to insulate you from grounds such as metal floor strips
and system unit frames. Obtain the mats locally, if necessary.
- When using testers, set the controls correctly and use the approved probe leads and
accessories for the tester.
Maintaining the Avaya S8800 Server for Avaya Aura
• Verify that the third-ground connector is in good condition. Use an ohmmeter
to measure third-wire ground continuity for 0.1 ohm or less between the
external ground pin and frame ground.
• Verify that the power cord is the appropriate type.
• Verify that insulation is not frayed or worn.
contamination, water or other liquids, or signs of fire or smoke damage.
been removed or tampered with.
®
Communication Manager
Safety information
July 2012 9