Digital Acoustics ii3-ESS Manual del usuario - Página 11

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Connections and Controls

To connect an 8 Ohm load to the ii3-ESS, connect two wires from the

speaker terminals (or 8 Ohm load source) to one of the supplied

terminal block plugs and insert it into the Speaker connector on the

ESS. Speaker connections are polarity independent.

The ii3-ESS supports Power over Ethernet (PoE - 802.3af compatible)

or can be powered externally from an external 24V AC/DC 40 Watt

power supply. Note that if using PoE, that the Power Source Equipment

(PSE) must be capable of supplying the maximum of 15.4 Watts for

each ii3-ESS that is connected to it.

Two amplifier settings are available. The low setting is 7.5 watts and

the high setting is 20 watts. When using PoE, the low amplifier setting

must be used. When using an external power supply, either the high

or low setting can be used.

Before powering up the ii3-ESS, the jumpers for the Power Supply and

Amplifier must be set in the correct position. The Jumpers consist of 5

columns of 2 pins located on the side of the unit labeled as Amp

Setting.

For PoE, the jumpers must be set as follows:

• Two Horizontal jumpers on columns 1 and 2 indicate PoE

(802.3af compatible) is supplied via the RJ-45 cable

• One Vertical jumper on column 4 indicates Low Amplifier setting

For External Power and high amp setting, the jumpers are set as

follows:

• Two Horizontal Jumpers on columns 2 and 3 indicate External

power is supplied

• One Vertical jumper on column 5 indicates High Amplifier setting