Nortel Networks 1000E 用户手册
Page 34 of 488
Safety instructions
553-3041-210 Standard 4.00 September 2007
Lifting system equipment
Care should be exercised when lifting system components. If necessary, get
assistance to lift a component or install a component in a rack. The weight of
the system component can be found in the component profiles in “System
components” on
assistance to lift a component or install a component in a rack. The weight of
the system component can be found in the component profiles in “System
components” on
.
Before lifting or installing a component:
•
Ensure that the planned location and the route to that location are free of
obstacles and debris.
obstacles and debris.
•
Determine the weight of the components (see component profiles in
“System components” on
“System components” on
).
•
Get help with heavy components or components that are to be placed in
the upper section of a rack.
the upper section of a rack.
Handling circuit cards
Follow these precautions when handling circuit cards:
1
Unpack or handle cards away from electric motors, transformers, or
similar machinery.
similar machinery.
2
Handle cards by the edges only. Do not touch the contacts or
components.
components.
3
Set cards on a protective antistatic bag. If an antistatic bag is not
available, hold the card or set it in a card slot unseated.
available, hold the card or set it in a card slot unseated.
4
Store cards in protective packing.
5
Do not stack cards on top of each other unless they are packaged.
6
Wear a properly connected antistatic wrist strap when you work on the
equipment.
equipment.
CAUTION WITH ESDS DEVICES
Static electricity can damage circuit cards. Wear an
antistatic wrist strap when handling circuit cards or their
components.
antistatic wrist strap when handling circuit cards or their
components.