Avaya BCM50 Installationshandbuch PDF herunterladen (Seite 56)

56 Chapter 2 Introducing the BCM50 hardware

NN40020-302

The BCM50 supports American Power Conversion (APC) UPS devices that use a USB control

interface. The APC UPSs include the APC UPS-Smart family (for example, UPS-Smart 750 and

UPS-Smart 1000) and UPS-Back family (for example, UPS-Back 500 ES and UPS-Back 350 ES).

You can use the UPS control software to configure various operational settings.

The USB port on the UPS uses a different communication speed than the USB port on the BCM50

system. Due to this difference, you must use an industry-standard USB hub (USB 1.1-compatible)

to connect the UPS data connection to the BCM50 system. The USB hub not only provides

additional USB ports, it converts the data communication speed so the UPS and BCM50 system

can communicate properly.

On BCM50 systems with more than one unit, you must connect the power supplies for all the units

must to a single UPS.

The interaction between the UPS and the BCM50 occurs in three stages:

1 Configuration—This stage sends configuration information to the UPS device and requires

minimal user interaction.

2 Monitoring—This stage is a steady-state, periodic monitoring cycle where the BCM50 reads

the status of the UPS. This stage requires minimal user interaction.

3 Failure condition—This stage initiates an action when a threshold value is surpassed.

The BCM50 system requires user interaction in the case of a planned system shutdown. You must

manually power down the UPS and the BCM50 main unit when performing a system shutdown.

The UPS feature is supported in all markets (110~120V and 220~240V power standards).

Hard disk

Each main unit contains a single hard disk and a hard disk bracket to install it in the main unit. See

the figure Hard disk and bracket on page 57.

For installation and replacement instructions, see Replacing an internal component on page 193.

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

the BCM50 system. If you connect a UPS to a running system, the UPS does not

function.

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Avaya BCM50 Installationshandbuch Seite 56