BusinessPhone Communication Platform 5.1
Maintenance Instruction ASB 150 02

## General

This document is addressed to technicican, who have to perform maintenance activities of the ASB 150 02 system at the customer site.

The documents decribes following items in a detailed way:

- How to upgrade the system software and the firmware of the boards in case of faults or release upgrades
- How to get the IPU functions licensed and how to upgrade and update this license
- How to replace a faulty peripheral board in a running system
- How to restart blocked peripheral boards
- How to modify the board functions

Revision: J © Ericsson Enterprise 2003