Memotec CX900e, Hardware Reference Manual, Page: 156 / 200

CX900e Hardware Reference Manual
20-4
3006M100-002
Procedure 2: Opening and Closing Chassis
Installing or rearranging the CX900e’s I/O cards, DEM and/or -48V/Ring
Generator Module requires that you first remove the CX900e’s cover, then replace
it when work is done.
WARNING: If the chassis is connected to a network, do not remove the CX900e
Safety Ground. Always remove network connections before removing
the power cord.
To open and close the chassis:
1. Disconnect all network connections.
2. Disconnect the power cord.
3. Ground yourself to protect the I/O cards from electrostatic discharge (ESD).
4. Remove the single Phillips-head screw located on the right side of the chassis.
5. Slide the front corner latches outwards to release the cover from the chassis;
see Figure 20-1.
6. Raise the cover at the front until the metal tabs at the rear disengage from the
slots in the cover. Lift the cover away from the chassis.
7. When you have completed work inside the chassis, align the slots at the rear
of the cover with the metal tabs. Lower the cover back onto the chassis, and
secure it in place by sliding the corner latches inward. Replace the single
retaining screw on the right side of the chassis.
Figure 20-1 Releasing the CX900e Cover