Cabletron Systems pmn manual C.2 REMOVING THE CHASSIS COVER

Appendix C: Optional Installations and Mode Switch Bank Settings

C.2 REMOVING THE CHASSIS COVER

This section describes how to remove the 2M46-04R chassis cover.

DO NOT REMOVE THE COVER FROM THE 2M46-04R

!WHILE POWER IS APPLIED TO THE UNIT.

CAUTION

THIS UNIT MAY HAVE MORE THAN ONE POWER SUPPLY CORD. DISCONNECT ALL POWER SUPPLY CORDS BEFORE SERVICING.

DO NOT POWER UP THE 2M46-04R AGAIN UNTIL THE COVER AND SCREWS ARE IN PLACE.

To remove the chassis cover, proceed as follows:

1.Disconnect the 2M46-04R from the network as follows:

a.For the 2M46-04RDC, flip the DC switches located on the back of the chassis to the “OFF” position.

For the 2M46-04R, disconnect all power cords from the rear of the chassis.

Before performing step b, mark the cables connected to the

TIP 2M46-04R according to their associated port numbers. This is recommended for ease of reinstallation.

b. Disconnect all network cables attached to the 2M46-04R.

2.If the 2M46-04R is rack mounted, remove it from the rack and remove the rackmount brackets (refer to Chapter 3, Installation).

3.Use a Phillips screwdriver to remove the seven screws attaching the cover to the chassis. (See Figure C-1.)

4.Remove the cover by sliding it back until it clears the front of the chassis and then lifting it straight up and off of the chassis.

To reinstall the chassis cover, perform the removal procedures in reverse.

C-2 2M46-04R/2M46-04RDC User’s Guide