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16 Chapter 1 Installing the Companion system

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There are two versions of the RPI unit:

• The RPI-8 BIX UL supports a maximum of eight base stations.

• The RPI-16 BIX UL supports a maximum of 16 base stations.

Each RPI has a connection printed-circuit board and either one (RPI-8 BIX UL) or two (RPI-16

BIX UL) power supply units (PSUs). The maximum input power consumption of an RPI is 240 W.

If you use a UPS 48 V dc backup source, the maximum input power requirement of the RPI is

140 W.

You can upgrade an RPI-8 BIX UL to an RPI-16 BIX UL by installing a second PSU to the RPI-8

BIX UL.

If you distribute the RPIs around the site, the number and type of RPIs depend on where you place

them and how you power the base stations.

To determine how many base stations and how many PSUs you need for the number of base

stations, use the following table:

Caution: The RPI unit must have the DC backup power supplied by a UL listed universal

power supply (UPS).

The UPS must have an output voltage rating of 44 to 52 V DC, with a maximum fault

current limit of 6 A to protect the RPI output wiring. If these requirements are not met, it is

necessary to use class 1 wiring.

Warning: You must install the RPI units inside a building.

The AC outlet powering the RPI must be installed near the equipment and must be easily

accessible.

The length of the RPI cord, from the outside surface of the unit to the plug, must be a

minimum of 1.3 m (4.5 ft) and a maximum of 4.6 m (15 ft).

Table 1 RPI Requirements

Base stations RPI-16 and RPI-8 required PSUs required

1–8 1 RPI-8 1 PSU

9–16 1 RPI-16 2 PSUs

17–24 1 RPI-16 and 1 RPI-8 3 PSUs

25–32 2 RPI-16 4 PSUs

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 55 56

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Avaya COMPANION Guía de configuración Pagina 16