9
POWER AND CONTROL
12V D.C.
:
Power supply input connector. XLR-4 connector.
- 1,2: Ground
- 3,4: 12Vdc
GPI:
Unit 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 open the unit
- Use GPI3 (6:12Vdc, 5: Ground) to close he unit
Termination:
Activate (ON) the termination. Only on the last unit of the RS422
bus.
AHnet:
RJ45 CAT6 connector for addressable RS422 control. There is a loop through
connector to use as signal RS422 output. Up to 30 units can be connected on the
same RS422 bus.
Service:
Used for firmware's upgrade.