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Installing Service Boards
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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. W hen 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.
NOTE
•Wear an ESD wrist strap or ESD gloves during operations.
CAUTION
•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.
2. The installation error-proofing identification of filler panels is the same as that of boards.
Service board slots
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 edge color
Board ejector lever
In lower-portion slots, board 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.
System
control and cross-connect board area
Board edge color
Board ejector lever
Upper slots
Lower slots
Ejector levers on the left
Ejector levers on the right
Board
ejector lever