Cabletron Systems manual Adding a Power Supply Module SmartCell ZX-250r Only, Zx-Rps

Switch Administration Performing Hardware Maintenance

4.9.13Adding a Power Supply Module (SmartCell ZX-250r Only)

The following instructions are for the SmartCell ZX-250r only.

4A, 250V FAST ACTING

Handle

ZX-RPS

CAUTION: For continued protection against risk of fire, replace only with same type and rating of fuse.

Line:

100 - 125V ~ 3.2A

200 - 240V ~ 1.6A 50/60Hz

Holding Screw	Power Block Assembly
	with Fuse Holder

AC Power OK

DC Power OK

Lamps

Figure 4-13 Rear view of a ZX-250r redundant power supply module

>"•mamV NEVER pick up the SmartCell ZX-250r by its power supply handles.

The power supply modules for the ZX-250r are hot swappable, which means you can install or replace a power supply module while the other power supply and the ZX-250r are operational. Because of this, you may be working with a device that is connected to line voltage. Exercise extreme caution when performing this task.

s• Remove the two Phillips-head screws that hold the power supply module blank in place, and carefully remove the blank (see Figure 4-14).

¢• Make sure that the power switch on the new power supply module is switched to off. Also, remove the power cord if connected.

>"•mamV At this point, you have direct access to the power bus on the backplane, which carries potentially hazardous voltage. DO NOT insert hands into the power supply opening. DO NOT touch the backplane. DO NOT insert any metal or conductive objects into the power supply opening.

SmartCell ZX-250 User Guide 4-41