Avaya BCM50 Installation Manual download pdf (Page 108)

108 Chapter 9 Connecting the cables to the BCM50 system

NN40170-305

The expansion port you select determines the line and extension numbers of the devices

connected to the expansion unit. For the default line and extension numbers, see the table

Default line and extension numbers on page 108. If you have a second expansion unit, repeat

steps 1 to 3 for the second unit.

Connecting the power supply

An uninterruptible power supply (UPS) is an optional device that you connect to your BCM50

system. The UPS provides battery backup for the BCM50 system to maintain continuous operation

during a power interruption or failure. For more information about the UPS, see Uninterruptable

power supply on page 55.

When connecting a UPS, you must use a USB hub between the UPS and the BCM50 system.

The figure Connect a UPS on page 109 shows how to connect the UPS.

Table 19 Default line and extension numbers

Default

extension numbers*

Default

line numbers*

Main unit

Digital: 221–232

Analog: 233–236

061–064

Expansion port 1

237–268 065–094

Expansion port 2

269–300 095–124

* The number and type of lines and extensions that are available on the

expansion ports are determined by the MBM you install in the expansion unit.

Note: For the UPS to function correctly, you must first connect it before you

power up the BCM50 system. If you connect a UPS to a running system, the UPS

does not function.

Note: International (non-North American) users require the power supply adapter

cord to connect the power supply to the special power bar. For more information,

see Power supply adapter cord (international users) on page 55.

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Avaya BCM50 Installation Manual Page 108