Juniper EX9253 Hardware Manual page 153

CAUTION: Do not lift the line card by holding the ejector handles on the faceplate or
the edge connectors. A fully configured line card can weigh up to 18.35 lb (8.3 kg). The
ejector handles cannot support the weight of the line card. Lifting the line card by the
ejector handles might bend them. Bent ejector handles prevent line cards from being
properly seated in the chassis.
5. Place one hand around the faceplate of the line card and the other hand under the line card to
support it.
CAUTION: Before you slide the line card into the slot on the switch chassis, ensure the
line card is aligned correctly. Misalignment might cause the pins to bend, making the
line card unusable.
6. Lift the line card, and position it in the chassis with the faceplate facing you and the sides of the line
card aligned with the guides in the line card slot on the switch chassis.
7. Make sure the handles stay in the open position and gently slide the line card fully into the slot using
both hands.
8. Rotate both the ejector handles clockwise simultaneously to seat the line card.
9. Use one of the following methods to bring the line card online:
• Press and hold the OFFLINE button on the line card by using a narrow-ended tool that fits inside
the opening that leads to the button for about 5 seconds until the OK/FAIL LED next to the
button is lit steadily. You must not use any sharp object to press the OFFLINE button.
• Issue the following CLI command:
user@switch>request chassis fpc slot slot-number online
NOTE: When a line card is brought online, if the aggregate interface is initialized before the
child interface is marked as part of the aggregate interface, there might be a loss of traffic
from the aggregate interface for up to 30 seconds and the CPU usage of the line card
installed on the switch might go up to 100%.
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