Norsup 7026965 Manuel D'installation Et D'instructions page 27

4. OPERATION AND USE
24 +5V
25 +12V
26
GND
27
485_B1
485_A1
28
12V
29
30
GND
31 485_B2
32 485_A2
12V
33
34 CN9
35
GND
36
485_B3
485_A3
37
12V
38
+5V (output)
+12V (output)
Frequency conversion board communications
Color line controller communication
Electronic expansion valve
The port for centralized control system