Removing the Chassis Cover
Optional Installations and Mode Switch Bank Settings B-3
To remove the chassis cover, proceed as follows:
1. Disconnect the 2H252-25R from the network as follows:
a. Unplug both power cords from the rear of the chassis.
b. Disconnect all network cables attached to the 2H252-25R.
2. If the 2H252-25R is rack mounted, remove it from the rack and remove the rackmount brackets
(refer to Chapter 3, Installation).
ELECTRICAL HAZARD: TURN OFF THE 2H252-25R BY UNPLUGGING THE
POWER CORD FROM THE REAR OF THE CHASSIS.
AM HINTEN DES 2H252-25R STECHEI ABZIEHEN UM AUS ZU SCHALTEN.
APAGUE EL 2H252-25R DESENCHUFE EL CABLE DE LA UNIDAD.
TIP: Before performing step b, mark the cables connected to the 2H252-25R according
to their associated port numbers. This is recommended for ease of reinstallation.