Allied Telesis AT-AR042 Installations- und Sicherheitshandbuch - Seite 8
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8
5. Slide the NSM into place.
Slide the NSM into the NSM bay, making sure the ends of the thumbscrews are
aligned with the screw holes on the switch or router.
If the NSM has extractor levers, they should be in the closed position.
6. Secure the NSM.
When the NSM has been firmly pushed into place, turn the NSM's two
thumbscrews to engage their threads. Tighten both thumbscrews at the same
rate to pull the NSM into position.
The screws will tighten when the NSM panel is in its installed position. The
thumbscrews should be firm but not over-tight.
If one thumbscrew becomes tight before the other, loosen it slightly before
proceeding.
7. If you are not hot swapping, apply power to the switch or router.
Re-attach the power cord, and reconnect any redundant power supply. Check
that the switch or router power LED lights green.
Check the In Use LED. The In Use LED (on the switch or router rear panel)
lights to indicate the NSM is installed, is receiving power, and is operational.
If you are hot swapping, return the NSM bay to use.
Press the recessed Hot Swap button. The Swap LED will go out and the In Use
LED will light.
If the In Use LED lights only briefly and the Swap LED then lights continuously,
the NSM is of a type the software release does not support.
8. Verify the installation.
Use the show system command to verify the switch or router has recognised
the NSM. If there is no NSM entry in the output, recognition has failed.
If the In Use LED fails to light or recognition fails, repeat the installation process,
paying particular attention to steps 5 and 6.
If the reinstallation fails, see the Network Service Module Hardware Reference,
which has further troubleshooting information.
613-000610 Rev A
Network Service Module