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Appendix A
Card Replacement
Table of Contents
Ÿ Card Replacement Precautions .............................................................................. A-1
Ÿ Replacing Main Control Card.................................................................................. A-1
Ÿ Replacing Other Cards ........................................................................................... A-4
A.1 Card Replacement Precautions
When replacing the card, pay attention to the following:
l
Do not look close without any protection or directly at the optical interface to avoid any
hurt to the eyes during the operation.
l
Plug/unplug the card (partially seated) carefully and slowly and make sure that the
card does not collide the shelf or the next cards.
l
One hand helps while the other hand is plugging/unplugging cards to avoid any
damage.
l
Plug/unplug only one card once. Prohibit to plug/unplug several cards once.
l
Please observe the specifications while employing tools to plug/unplug the cards to
avoid any damage to the cards.
l
Pay attention to the
are placed outside the shelf. Put the card horizontally with its side which cannot be
damaged easily down. Make sure the horizontal plane is clear of other things.
l
Do not put the cards in the humid place or expose them to the sunshine directly. Make
sure the surroundings does not do any harm to the cars.
l
While moving several cards, do not pile the cards together to move them with the
protection of antistatic bags only. Make sure to move only one card once.
A.2 Replacing Main Control Card
Replace the switching and control card because it fails to work or is to be upgraded for
some situations.
Context
l
Precautions
Pay attention to the following precautions while replacing the switching and control
card:
Make an antistatic preparation.
à
SJ-20120615152640-008|2012-06-30 (R1.0)
ESD
protection, and handle the cards carefully before the cards
A-1
ZTE Proprietary and Confidential
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