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Allied Telesis AT-AR041 にも：設置および安全マニュアル (13 ページ)

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Installation and Safety Guide

If an NSM is already installed, disconnect its network cables and TNV lines

before removing it from the switch or router.

Remove the NSM by unscrewing both thumbscrews at the same time. As the

thumbscrews are turned, they will push the NSM out of the bay.

If the NSM has extractor levers, moving them to the open position will assist the

removal process (see the following figure).

Open

When removing an NSM, take care to turn each thumbscrew by an equal

amount to ensure the NSM does not become misaligned. Forcing a jammed

thumbscrew may damage the NSM.

If a thumbscrew becomes tight, it must not be forced. Instead, screw it in or out

slightly to loosen it and then try again, taking care to unscrew both thumbscrews

at the same rate.

Keep the face-plate for future use. If you remove an NSM, replace the face-plate

to prevent dust and debris from entering the switch or router and to maintain

proper airflow.

4. Prepare the NSM.

In an antistatic environment, remove the NSM from its packing material. Be sure

to observe ESD precautions.

Warning Do not attempt to install an NSM without observing correct antistatic

procedures. Failure to do so may damage the switch, router, or NSM. If you are

unsure what the correct procedures are, contact your authorised Allied Telesis

distributor or reseller.

613-000610 Rev A