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BCM450 Troubleshooting Guide
Chapter 1
Introduction
The Nortel Business Communications Manager 450 (BCM450) provides private network and
telephony management capability to small and medium-sized businesses. The BCM450 system
integrates voice and data capabilities, and IP Telephony gateway functions into a single telephony
system. It also enables you to create and provide telephony applications for use in a business
environment.
Purpose
This guide provides procedural information to help you troubleshoot and isolate problems in your
BCM450 network.
Audience
The BCM450 Troubleshooting Guide is for use by network administrators responsible for
maintaining BCM networks that include BCM450 devices. This guide is also useful for network
operations center (NOC) personnel supporting a BCM450 managed services solution. To use this
guide, you must:
• be an authorized BCM450 administrator within your organization
• know basic Nortel BCM450 terminology
• be knowledgeable about telephony and IP networking technology
Organization
This guide is organized for easy access to information that explains the troubleshooting procedures
associated with using the BCM450 system. This guide contains information on the following
topics:
• Initial Troubleshooting on page 15
• Hardware Troubleshooting on page 19
• Software Troubleshooting on page 37
• Advanced Troubleshooting on page 51
• Recovery trees on page 69
• Downloading Software on page 75
• Troubleshooting Tools on page 79
• Understanding system messages on page 83
• Useful Troubleshooting Links on page 85
• Frequently Asked Questions on page 87