Teledex Y Series User Manual download pdf (Page 27)

Y SERIES EXP212, EXP224, AND EXP248 USER GUIDE www.teledex.com 27

Button Description

ACO For Alarm Cut Off service (EXP248)

RST An embedded hardware button for

hardware resetting (EXP248)

2.4 Replacing Units (EXP212,

EXP224)

This section provides procedures on how to

replace the air filter (replace every three months).

Procedure 2.1 Replace the Air Filter (EXP212,

EXP224)

Note—You must loosen the connection of the

fan card to the DSLAM and pull out the Air Filter

before replacing the air filter.

1. Put on the anti-static wrist strap and

connect it to a grounding point.

2. Turn the screw on the Air Filter Panel

counterclockwise until it loosens the

connection of the panel to the DSLAM.

Remove the Air Filter Panel.

3. Pull the air filter out of the DSLAM.

4. Slide the replacement air filter into the

air filter slot of the DSLAM.

5. Reinstall the Air Filter Panel.

2.4 Replacing Units (EXP248)

This section provides procedures on how to:

• replacethefancard(replaceasrequired)

• replacetheairfilter(replaceeverythree

months)

Procedure 2.2 Replace the Fan Card (EXP248)

Danger—When removing the fan card, wait

for a moment for the fan blades to come to a

complete stop before fully extracting the fan

card.

1. Put on the anti-static wrist strap and

connect it to a grounding point.

2. Slide the power switch of the DSLAM to

the OFF position.

3. Remove the fan card to be replaced by

doing the following steps:

a. Turn the two screws on the faceplate

of the fan card counterclockwise until

they loosen the connection of the fan

card to the DSLAM.

b. Pull the fan card out about 2 inches

and wait for a moment for the fan

blades to stop completely.

c. Pull the fan card completely out of the

DSLAM, and set it aside.

4. Install the replacement fan card into the

DSLAM by doing he following steps:

a. Slide the replacement fan card into the

fan card slot of the DSLAM.

b. Turn the two screws on the faceplate

of the fan card clockwise until they

secure the fan card in place.

Air filter

Air filter

Fan card

1 2 ... 22 23 24 25 26 27 28 29 30 31 32

Comments to this Manuals

No comments