AudioControl ACTIVE-BALANCED SERIES Manuel d'installation et d'utilisation - Page 12

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Cat-5 Wiring

The RJ-45 connections on the BVR-25 conform to the

EIA-568B standard. This is the same Cat-5 cable-wiring

standard that a typical computer network utilizes. You can

use any existing 10/100 Base-T network cabling and patch

bays in an installation as long as it does not run through a

router or hub. The Cat-5 wiring must run directly from the

BVD-20 / BVH-20 to the BVR-25. Do not split or "Y-off"

the video signal coming out of your BVD-20 into multiple

BVR-25s as the video signal will be compromised. Use

the BVH-20 to drive multiple BVR-25s or you can "daisy

chain" from one BVR-25 to another if necessary. See page

13 for more information.

Daisy Chaining Multiple BVR-25's

The BVR-25 has the ability to receive video and audio

signals over CAT-5 and then route them on to ﬁve maxi-

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mum BVR-25's. This allows for wiring in a daisy chain

format rather than the star method. If you are using your

BVR-25 in this manner you need to remove the "termina-

tion resistor network" from the socket on the rear of the

BVR-25 that is routing the signal to another BVR-25. The

last BVR-25 in the signal path MUST have the "R37" resis-

tor network inserted for the system to function properly.

12 Volt Output Trigger

The BVR-25 is equipped with a unique signal sensing

circuit that allows it to output a constant 12 volts (100ma)

which can be used to trigger remote mounted projectors,

activate a lift, lower a screen or trigger other automation

products. The presence of any Component (Y) or Com-

posite video sync signal at the RJ-45 inputs to the BVR-25

produces a sustained +12VDC on the tip of the Video Trig-

ger Jack.

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