BusinessPhone Communication Platform 7.0
Maintenance Instruction ASB 150 02

## General

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

The documents describes following items in a detailed way:

- How to upgrade the system software the board fimware and the D4 phone firmware 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
- How to use the IPU command line interface

Revision: T © Ericsson Enterprise 2005