3.2 Back Panel
10. Power switch.
11. 24V/4A Power adapter socket.
12. Conference unit interface is to supply power and communication to conference unit,
two way interface, can only connect total 30 units (15 for each way).
NOTICE
Unit 8 core air connector foot function description
8 P in M A L E
4 85A/ 1
485 B/ 8
GND/2
A + /3
A - /5
B + /6
B - /7
24V+ /4
13. External microphone gain adjustment knob.
14. External microphone interface.
15. 48V Phantom Power Switch.
16. Background music input interface.
17. The aux line output interface.
18. Audio recording output interface.
19. Edit ID switch.
20. 3.5mm headphone jack.
21. SD card jack.