Avaya T7406E Configuration Guide download pdf (Page 32)

32 Chapter 2 Introduction

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Firmware upgrade components

To upgrade the firmware on the T7406E handsets and on the base station, or base stations, you

need the following components and materials:

• USB-to-UART bridge controller

• Handset adapter

• Upgrade cables

• Upgrade CD

USB-to-UART bridge controller

The USB-to-UART bridge controller is a firmware upgrade component. Use this hardware to

transfer the new firmware upgrade from your PC to your T7406E system. You connect the bridge

controller to your PC using a USB-to-UART cable (see figures Figure 9 on page 32 and Figure 11

on page 34). The bridge controller has a UART port. You connect the bridge controller to the

upgrade jig, or directly to the base station in the case of a base station upgrade, using an upgrade

cable. The bridge controller is powered using the provided AC power source (see Figure on

page 32). Refer to Chapter 6, “Upgrading the firmware,” on page 47 for details on how to upgrade

the firmware on your T7406E cordless handset and T7406E base station.

Figure 9 Bridge controller

Handset adapter

When you upgrade the handset firmware, you must use the handset adapter to transfer the new

firmware version to the handset. The handset adapter connects to the handset as shown in Figure

10 on page 33. The handset adapter connects to the bridge controller using an upgrade cable.

ToPCUpgrade

PC LED

(green)

Power LED

(red)

Upgrade port

(USB)

Bridge controller-

to-PC (USB-to-UART)

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Avaya T7406E Configuration Guide Page 32