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Installing Service Boards
CAUTION
•Wear an ESD wrist strap or ESD gloves during operations.
•The board is designed for easy installation. If you feel a blockage when inserting a board into a slot, remove
the board and check whether it was inserted correctly or whether it is of the correct type. Do not use force to
insert the board.
NOTE
1. Error-proofing identification for board installation:
• Service boards are inserted differently in the upper and lower portions of a U32 Enhanced subrack.
• When installing service boards into upper-portion slots, ensure that the ejector levers are on the left side of
the front panels. When installing service boards into lower-portion slots, ensure that the ejector levers are on
the right side of the front panels.
• The board edge color is close to the system control and cross-connect board area. The installation error-
proofing identification of filler panels is the same as that of boards.
2. The installation error-proofing identification of filler panels is the same as that of boards.
Service board slots
Upper slots
Lower slots
Board
ejector lever
Ejector levers on the left
In upper-portion slots, board ejector levers are on the left side of the
front panels. The board edge color is close to the system control and
cross-connect board area.
Board ejector lever
System
control and cross-connect board area
In lower-portion slots, board ejector levers are on the right side
of the
panels. The board edge color is close to the system
front
control and cross-connect board area.
Board ejector lever
48
Ejector levers on the right
Board edge color
Board edge color
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