Pathway # 8861 Uživatelský manuál stáhnout pdf

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To ensure trouble free operation, DMX512 stan-

dards require that DMX devices be installed in a

daisy chain, with no tees, wyes or stars in the DMX

wiring. However, site conditions may make star

wiring desirable or even mandatory. A Gray Inter-

faces DMXIsolator permits star wiring by making

each branch of the star appear electrically as its

own entity, unaffected by the other branches of the

star. Additionally, opto-isolation circuitry isolates

each branch to prevent ground loops or accidental

damage from fault voltages on DMX lines.

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Typically, Gray Interfaces DMXIsolators are used

in the following configuration:

•

DMX Output

is connected to dimmers or

other DMX devices

•

DMX Inputs

(A,B,C,D,E, & F) are con-

nected to the remote DMX consoles or

other sources. Only one input may be ac-

tive a any one time.

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LED indicators are provided on the face of the

DMXIsolators for diagnostic purposes. Each group

of three Input LEDs corresponds to one of the

DMX inputs from A to F. The single group on the

far right corresponds to the DMX Output from the

DMXIsolator.

Red LEDs are provided for the main (Input) +5 volt

power supply and the six isolated supplies (

Iso

+5V

), green LEDs are provided for Received data

and amber LEDs are provided for Transmit or

Talkback data, if used.

In conventional operation, the following should be

observed:

•

All red LEDs should be illuminated when-

ever the unit is powered.

•

The amber

Receive

LED at the input sec-

tion (A to F) with the functioning source de-

vice connected and the green Output

Transmit

LED will illuminate

In addition, the following will be observed if devices

using DMX Talkback are used:

•

The amber Outout

Talkback

LED and six

green Input

Talkback

LEDs should illumi-

nate once a functioning talkback device is

connected to DMX Output.

Input A

Output

Receive

Transmit

Talkback

DMX Output

Model

1 2

DMX Output 1
FRQWLQXHG 2

Shrnutí obsahu

Strany 1 - DMX Output

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Strany 2 - FRQWLQXHG

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Pathway # 8861 Uživatelský manuál

Procházejte online nebo si stáhněte Uživatelský manuál pro Počítačový hardware Pathway # 8861. Pathway # 8861 User Manual Uživatelská příručka

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