Avaya BCM50 User Manual download pdf (Page 25)

Chapter 3 Hardware installation 25

Installation Checklist and Quick Start Guide

3 Push the MBM completely into the expansion unit. You hear a click when the MBM is firmly

seated in the expansion unit.

The MBM must be configured for it to function. For information about configuring an MBM,

see To configure the MBMs on page 44.

Expansion unit installation

After installing an MBM in the expansion unit, install one or two expansion units in the same

manner as the main unit (in a rack, on a wall, or on a flat surface).

For more information, see the chapter “Installing an expansion unit” in the Installation and

Maintenance Guide.

To install an expansion unit

1 Mount the expansion unit the same way as the main unit. Refer to Main unit and expansion

unit installation on page 17.

2 Locate the expansion cable that was supplied with the expansion unit.

If you do not have the expansion cable, you can use a shielded category 5e-compliant Ethernet

cable (maximum length of 10 m).

3 Plug one end of the expansion cable into the expansion port on the expansion unit.

4 Do one of the following:

• To connect the first expansion unit: Plug the other end of the expansion cable into

expansion/LAN port 2 on the main unit. This expansion unit is now designated as

Expansion 1 in Element Manager.

• To connect the second expansion unit: Plug the other end of the expansion cable into

expansion/LAN port 3 on the main unit. This expansion unit is now designated as

Expansion 2 in Element Manager.

Refer to the figure How to connect expansion units to a main unit on page 25.

Figure 7 How to connect expansion units to a main unit

Note: When you plug an expansion unit into the correct port on the main unit, the

LEDs on the expansion unit port are on, while the LEDs on the main unit port stay

off.

9 minutes

Expansion unit 1 Main unit Expansion unit 2

Buses 7/8

Buses 5/6

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Avaya BCM50 User Manual Page 25