19
Power Supply Modules
Chapter 4
4
Installing or Replacing the Power Supply Module
The MCR1900 Power Supply Module is hot-swappable and can be
removed or installed while the Chassis is powered on. The MCR1900
comes with two Power Supply Bays with one or two Power Supply
Module(s) installed.
To remove or replace a Power Supply Module, perform the following
procedure:
Removing the Power Supply Module
1.
Turn the power switch to the Off position.
2.
Disconnect the power cord from its source.
3.
Disconnect the power cord from the MCR1900 Power Supply
Module.
4.
Disconnect the alarm relay connections if connected.
5.
Using a screwdriver remove the one screw located at the top of the
Power Supply Module.
6.
Loosen the captive retainer screws on either side of the Power
Supply Module.
7.
Gently pull the Power Supply Module towards you. If replacing the
Power Supply Module, follow the procedure below. If not replacing
Warning
Never attempt to open or service a Power Supply
Module. Opening the Power Supply Module may
cause serious injury or death.
Warning
Failure to follow these steps may result in a live
Power Supply Module and present a potential
hazard.
