Avaya BCM450 User Manual download pdf (Page 31)

Chapter 3 Hardware installation 31

BCM450 Installation Checklist and Quick Start Guide

The DHCP server on the main unit supplies IP configuration information for all IP devices (PCs

and IP Phones). It also supplies specific connection information to the IP Phones.

If an external DHCP server is present

If an external DHCP is present, the BCM450 system uses the IP configuration supplied by the

external DHCP server.

In this case, the DHCP server on the main unit supplies only IP Phones with IP configuration

information. It does not supply any other devices with IP settings. This means that the

administrator does not need to set up the external DHCP server to supply configuration settings to

the IP Phones.

The DHCP server on the main unit must configure a range of IP addresses to supply to the

IP Phones.

For example:

If the external DHCP server supplies the IP address 177.218.21.45 (subnet mask is 255.255.255.0)

to the BCM450, the BCM450 DHCP server reserves the range 177.218.21.200–177.218.21.254.

You can use Element Manager to verify and change this default range.

The administrator must ensure that this range agrees with the network configuration. The range is

not used by the external DHCP server.

Telephone installation

The BCM450 system supports many types of telephony devices (telephones). For more

information about the supported telephones, see Nortel Business Communications Manager 5.0

Installation—Devices (NN40170-304).

For more information about installing telephones,

Nortel Business Communications Manager 450

Installation—System

(NN40170-303).

To install telephones

1 Open the box for each telephone, and verify that you have the following components:

• telephone set

• power supply and power-supply cable (if applicable)

• telephone cable

• installation instructions

2 Visually inspect the components for any damage.

Warning: The DHCP server on the main unit is enabled by default. If your

network already contains a DHCP server, disable the DHCP server on the main

unit.

9 minutes/telephone

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Avaya BCM450 User Manual Page 31