Huawei OptiX PTN Series Quick Installation Manual page 13

1 Installing Boards
c
Installing Service Boards
CAUTION
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.
Service boards area of the
OptiX PTN 7900-32
CAUTION
Service boards or filler panels are inserted differently in the upper and
lower portions of a cabinet. When installing service boards or filler
panels into upper-portion slots, ensure that the ejector levers are on
the left side of the front panels. When installing service boards or filler
panels into lower-portion slots, ensure that the ejector levers are on the
right side of the front panels.
Upper-portion slots
Pull the filler panel outwards by
holding its snap-on.
Turn the ejector levers on the
board inward until the board cannot
move forward. Then, fix the board
to the slot of the cabinet.
Guide rail
10
Lower-portion slots
Hold the ejector levers
outwards until the ejector
levers form a 45-degree angle
to the front panel. Then, gently
slide the board along the guide
rails into the slot until the
board is fully seated in the slot.
45º
45º
Tighten the screws on the front
panel of the board.
M4 captive
screw:
10±10% kgf· cm
M4 captive
screw:
10±10% kgf· cm