Upgrades and Maintenance, cont’d

Removing and Installing the Power Supply Module

Removing the power supply module

The two or four power supply modules (primary power supplies A and B and optional redundant power supplies A and B) are identical and hot-swappable. Each power supply module has two LEDs, visible when the fan assembly door is open, that indicate the status of the voltages that power supply outputs. If both LEDs are lit, the power supply is operating normally. If either LED is unlit, the power supply is out of tolerance and should be reseated, swapped, or replaced at the earliest opportunity.

NIf this BME does not have redundant power supplies, the switcher may or may not shut down for an out of tolerance voltage.

NThe power supply modules are hot-swappable. If this BME has redundant power supplies A and B, each power supply can be removed without powering down the switcher. If the BME does not have power supply redundancy, removing either primary power supply shuts down the matrix.

Remove a power supply module as follows:

1.

Open the front door.

2.

Turn the left and right knurled knobs on the fan assembly door ¼-turn

 

counterclockwise. Raise the door and rest it on the roof of the power

 

distribution enclosure.

3.

Grasp the handle on the power supply module and push down on the thumb

 

detent (figure 6-5). Pull the power supply module straight back until the

 

module clears the alignment guides.

Open fan door

Thumb

Detent

Primary A

Power Supply

IM

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF =LED's:=

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

R

ON

 

GOOD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

F

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

POWER

 

AILED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REDU

D

OFF

 

LED's=

:

 

 

 

 

 

 

 

 

 

 

SUPPL

 

 

ON

F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

N

A

 

=

 

GOOD

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

AILED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PR

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFFONLED's:=

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IM

 

=F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARYB

GOOD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AILED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

SUPPL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

=F

GOOD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REDUNDY

2

2 LEDs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

OFF

LED's:=

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANT

AILED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONT

Align power supply with plastic guides.

Figure 6-5 — Power supply replacement

6-6 Matrix 12800 Switchers • Upgrades and Maintenance

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Extron electronic 12800 manual Removing and Installing the Power Supply Module, Removing the power supply module
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