Note- Place the removed crossbar unit on a grounded antistatic ESD mat.
Note- W hen mounting a crossbar unit, check the connectors on both of the chassis
andcr ossbar unit beforehand to confirm that no pin is bent and all the pins are neatly
arrangedin lines. If a crossbar unit is mounted with a bent pin in a connector, the
chassisor crossbar unit may be damaged. Also, carefully proceed with the workto
prevent any pin from being bent.
Figure16-3 Pulling out crossbar unit
4. Supportthe crossbar unit from below with one hand and remove it carefully.
16.5 Installing a Crossbar UnitThissectio n describes the procedure for installing a crossbar unit.
1. Carefullyi nsert the crossbar unit into the chassis.
2. Closethe right and left levers of the crossbar unit and tighten two screws.
Chapter16 Maintainingthe Crossbar Units of the Crossbar Box 303