Avaya BCM50 User Manual download pdf (Page 34)

34 Chapter 3 Hardware installation

NN40020-308

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

not used by the external DHCP server.

BCM50a, BCM50e, BCM50ba, or BCM50be main unit

(with integrated router)

By default, the BCM50a main unit or BCM50e main unit is configured with a dynamic IP address,

meaning that it requests an IP configuration from a DHCP server. Because the integrated router

includes a DHCP server, this DHCP server responds to the request.

By default, the router LAN IP address is 192.168.1.1, and the IP address assigned to the BCM50

system is the first IP address in the DHCP pool. If the DHCP pool starts at 192.168.1.190, then the

BCM50 IP address is 192.168.1.190 even though the router is 192.168.1.1. So the BCM50 system

receives the IP address 192.168.1.2 (subnet mask is 255.255.255.0) from the DHCP server on the

integrated router.

The DHCP server on the integrated router supplies the information (primary and secondary TPS

server information, VLAN IDs) to the IP Phones, enabling them to connect to the BCM50. If the

IP address of the integrated router changes, then the IP address reserved for the BCM50

automatically changes. The DHCP server on the integrated router automatically updates the S1

and S2 IP address.

For more information about how to disable the DHCP server, see the procedure To disable the

DHCP server on the BCM50a, BCM50e, BCM50ba, and BCM50be main units on page 43.

WAN connection

Four types of BCM50 main units—the BCM50e and BCM50be (with Ethernet router) and the

BCM50a and BCM50ba (with ADSL router)—contain a router card. On the BCM50e and

BCM50be, the WAN port is an RJ-45 port. On the BCM50a and BCM50ba, the WAN port is an

RJ-11 port.

Refer to the following sections for information about connecting the BCM50 to the WAN:

• To connect the BCM50a or BCM50ba to the WAN on page 34

• To connect the BCM50e or BCM50be to the WAN on page 35

For more information, see the chapter “Connecting the BCM50 system to the LAN and WAN” in

the Installation and Maintenance Guide.

To connect the BCM50a or BCM50ba to the WAN

1 Use the Integrated Router Web GUI to configure the router card on the BCM50a or BCM50ba

main units. For more information about how to configure the router, see the BCM50a

Integrated Router Configuration Guide.

2 Make sure the power supply is connected to the BCM50a or BCM50ba main units and to the

AC power source (wall outlet).

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Avaya BCM50 User Manual Page 34