ARTHUR HOLM AHDTH S CCTLV Руководство пользователя - Страница 10

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Connections

12V D.C.

GPI

Termination

AHnet

Service

Power supply input connector. XLR-4 connector:

1,2: Ground

3,4: 12Vdc

Monitor external contact close control. SubD9 female

1. GPI1 +

2. GPI1 –

3. GPI2 +

4. GPI2 –

5. GPI3 –

6. GPI3 +

7. N.C.

8. +12Vdc (600mA max.)

9. Ground

- Use GPI1 (1:12Vdc, 2:Ground) to activate the green LEDs

- Use GPI1 (3:12Vdc, 4:Ground) to switch off the LEDs

- Use GPI3 (6:12Vdc, 5:Ground) to activate the red LEDs

Activate (ON) the termination, ONLY on the last unit of the

RS422 bus

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

Used for firmware upgrade