Technical data

Dual 9-, 12-, and 20-Slot Power Supply

7-15

– If the power supply is an AC unit, unplug the power cord

from the AC outlet and from the back of the XR chassis.

– If the power supply is a DC unit, turn off the -48Vdc power

source and unscrew the clamping contacts to release the

DC leads from the terminal block on the power supply.

3. Remove the power supply bezel.

4. Loosen the two yellow, captive screws in the upper corners of

the power supply (see Figure 7-1 or Figure 7-2 on page 7-18).

5. Slide the power supply straight out of the chassis (see Figure

7-3 on page 7-19).

6. Slide the replacement power supply SLOWLY into the

chassis until the Charging Hot Swap LED lights, then STOP.

The LED will remain lit until the power supply is charged.

Note The original power supplies (MC1000K-AC700 and

MC1000K-DC700) are not equipped with a Charging

Hot Swap LED. Slide the power supply in until you feel

the first connectors contact the receiver, then wait one

full minute before proceeding to Step 7.

GROUND

48V

+ | -

Clamping Contact

Screws