Holding A Line Card - Juniper EX9214 Hardware Manual

Components in the line cards are fragile. To avoid damaging the line cards, follow the procedures in this
topic. The procedures use the following terms to describe the four edges of the line cards:
• Faceplate—Edge of the line card that has connectors into which you insert the transceivers.
• Connector edge—Edge opposite the faceplate.
• Top edge—Edge at the top of the line card when the line card is vertical.
• Bottom edge—Edge at the bottom of the line card when the line card is vertical.
CAUTION: Failure to handle line cards as specified in these procedures can cause
irreparable damage to them.

Holding a Line Card

You must hold a line card horizontally when installing it in the chassis. You may hold a line card vertically
or horizontally when carrying it.
CAUTION: Be prepared to support the full weight as you slide the line card into the
chassis.
To hold a line card vertically:
1. Orient the line card so that the faceplate faces you. To verify the orientation, confirm that the text on
the line card is right-side up.
2. Place one hand around the line card faceplate about a quarter of the way down from the top edge.
Do not press hard on it.
3. Place the other hand at the bottom edge of the line card.
If the line card is horizontal before you grasp it, place your left hand around the faceplate and your right
hand along the bottom edge.
To hold a line card horizontally:
1. Orient the line card so that the faceplate faces you.
2. Grasp the top edge with your left hand and the bottom edge with your right hand.
You can rest the faceplate of the line card against your body as you carry it.
CAUTION: Take care not to hit the line card against any object as you carry it. Line card
components are fragile.
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