Removing the Chassis Cover
Optional Installations and Mode Switch Bank Settings B-3
To remove the chassis cover, proceed as follows:
1. Disconnect the 2E253-49R from the network as follows:
a. Unplug both power cords from the rear of the chassis.
b. Disconnect all network cables attached to the 2E253-49R.
2. If the 2E253-49R is rack mounted, remove it from the rack and remove the rackmount
brackets (refer to Chapter 3).
3. Use a Phillips screwdriver to remove the four screws attaching the cover to the chassis.
(See Figure B-1.)
4. Remove the cover by sliding it back (1) until it clears the front of the chassis and then
lifting it straight up (2) and off the chassis.
To reinstall the chassis cover, perform the removal procedures in reverse.
TURN OFF THE 2E253-49R BY UNPLUGGING THE POWER CORD FROM THE
REAR OF THE CHASSIS.
AM HINTEN DES 2E253-49R STECHEI ABZIEHEN UM AUS ZU SCHALTEN.
APAGUE EL 2E253-49R DESENCHUFE EL CABLE DE LA UNIDAD.
TIP
Before performing step b, mark the cables connected to the 2E253-49R according to
their associated port numbers. This is recommended for ease of reinstallation.