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Installation and Safety Guide

Model : AT-RP241-10

Part Number: 990-11934-10

Product Serial Number: S03K225N

Quantity With Unit of

Measure:

Made in Singapore

Hot Swapping

There are two methods for installing and removing NSMs: the standard installation

method and the hot swap installation method. The software release running on your

switch or router determines which of these two methods should be used.

If your switch or router is running Software Version 2.2.3 or earlier, follow the

standard method. If your switch or router is running Software Version 2.3.1 or later,

you can use the hot swap method.

To find out which software release your switch or router is running, use the

command:

show install

The following installation procedure describes how to install an NSM using either

installation method.

Hot swapping an AT -AR040

Caution You cannot install PICs into an AT-AR040 NSM that has power applied to

it. This includes NSMs that have been deactivated using the hot swap button, but not

physically removed from the switch or router. To ensure that all power is removed

from the NSM bay, you must either physically remove it from the switch or router

(using the hot swap method), or disconnect all power sources to the switch or

router.

If you have PICs to install, follow the Port Interface Card Installation and Safety Guide. If

there are more PIC bays than PICs, use the bays on the switch or router base unit

first, then fill the NSM PIC bays starting with bay 0.

Please note that you can hot swap the AT-AR040 NSM with PICs already installed in

its PIC bays. There is no need to remove the PICs before hot swapping. See the

Network Service Module Hardware Reference for information on the operational

characteristics of hot swapped interfaces.

1 EA

7 67035 14875

N or higher for maximum DS3

performance

J, K, L, or M for less demanding

DS3 applications

613-000610 Rev A