3Com REMOTE ACCESS SYSTEM 150 Release Note - Page 3

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Installation and

Upgrade

Information

Primary Rate

Access Unit (PAU)

Firmware Upgrade

Operational

Information

Idle Timeout for

LAN-to-LAN

Configuration

WAN port can connect to another RAS 1500 or any compatible device

that supports PPP. PPP over leased line offers the following benefits:

Constant connection. Once the connection between the sites is

established, the link does not come down unless you issue a

command to do so.

Simple configuration. To prepare a RAS 1500 for leased-line PPP

requires little configuration.

Fast. The RAS 1500 supports speeds of 2.048 Mbps.

The following is installation and upgrade information in this release:

The Primary Rate Access Unit (PAU) is delivered with firmware

pre-installed. If you upgrade to future releases of the firmware, be aware

of the following information:

After issuing the download command for PAU firmware upgrade,

download pau_image pau_x.dmf from server <tftp server ip

address> command sdl_start

RAS 1500 prompt is visible from the console. The PAU code is being

written to flash. Wait until the message,

displayed. This takes approximately 15 minutes. When the PAU is

operational message is displayed, it is safe to issue commands from the

console.

The following is operational information in this release:

The idle timeout default for LAN-to-LAN in the Web Configurator is 0 (or

no timeout).This default value cannot be changed in the Web

Configurator. If you want to change the idle timeout, and we recommend

you do, you must use the CLI. The command is as follows:

Installation and Upgrade Information

, do not enter anything, even though the

"PAU is Operational,"