ARTHUR HOLM AHDTL Manual do utilizador - Página 7

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CONNECTIONS

AHNET

RJ45 CAT5 connector for addressable RS422 control. There is

a loop through connector to use as signal RS422 output. Up

to 30 monitors can be connected on the same RS422 bus

AHNET ADDRESS Shows the AHnet Address configured on this unit

TERM ON

Brighting when the RS422 bus termination is active. Activate

only the RS422 bus termination on the last unit of the bus

Illuminates when the unit receives a RS422 AHNet command

OSD – OK + - Changing AHnet Address. Press OK button. Change the

AHnet number address using + and – keys, and press OK to

save the new address

- RS422 bus termination. Press + key to activate the RS422

termination. Press – key to deactivate the RS422 termination

GPI/GPO EXTERNAL CONTACT CLOSE CONNECTOR

1. GND

2. Command microphone UP connecting to GND. Connecting

to GND more than 2 seconds, activates the AHlink signal (5

beeps sounds when the AHlin signal is activated)

3. Command microphone DOWN connecting to GND

- Use a pulse signal to RISE and LOWER the microphone

4. Red LED ring brights connecting to GND (only in conference

mode)

5. Green LED ring brights connecting to GND (only in

conference mode)

6. GND

7,8. GPO1. Contact close of the central button located on

cover plate

9,10. GPO2. Contact close of the talk button located on THE

cover plate

CONNECTIONS

SERVICE

Used for firmware upgrade

12V D.C.

Power supply input connector. XLR-4 connector:

1,2: Ground

3,4: 12Vdc