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Installing and Operating BayStack ARN/DC Routers

4-2

116273-A Rev. 00

Verifying Router Requirements

When you install an adapter module as an upgrade to your existing hardware

configuration, verify the following:

• The ARN/DC contains the minimum required version of programmable

read-only memory (PROM) code for the module you are installing.

BayRS release media includes the latest boot and diagnostic code at the time

it is shipped, but if your upgrade requires newer code, you must manually

download it to the router PROM.

To determine which version of boot and diagnostic code you need when

installing a particular adapter module, see the module-specific Supplement

that ships with the module, and to the Document Change Notice or the

Release Notes distributed with your BayRS release. For instructions on how

to upgrade the PROM code in flash memory, refer to the Upgrading Routers

guide.

• The ARN/DC contains sufficient random-access memory (RAM) for its

software requirements. Configuring software for additional interfaces may

increase the ARN/DC memory requirements.

Powering Down

Before installing a WAN adapter module:

Turn off power to the ARN/DC.

Move the back-panel power switch to the OFF position (0) by inserting your

finger or a narrow tool through the opening in the protective casing to push the

toggle switch down. Refer to Figure 1-20 in Chapter 1.

Warning:

You cannot hot-swap ARN/DC WAN adapter modules.

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Bay Networks BayStack ARN Routers none Manual de servicio Pagina 86