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6.3 COM1-COM8
（
RS-232/422/485
）
It contains 8 programmable bi-directional serial communication interfaces with DB9 (male)
interface type and supports RS-232/422/485 serial communication transmission of data.
The factory default configuration (it can be modified by system command):
Baud Rate: 9600, Data Bit: 8 Bits, Stop Bit: 1, No Parity Check Bit
PIN assignment is defined below:
6.4 RS- 485 Bus
One RS-485 with 4-pin Phoenix interface type, it can connect various external RS-485 bus
network devices, such as power controller, dimmer, volume controller, wireless receiver, wired
touch screen, etc.
The factory default configuration (it can be modified by system command):
Baud Rate: 9600, Data Bit: 8 Bits, Stop Bit: 1, No Parity Check Bit
PIN assignment is defined below:
6.5 Relay Ports
It has 8 low-current relay modules, it can drive the load below AC 0.3A/125V and DC 0.3A/110V,
DC 1A/30V. It can control the ON and OFF of electronic equipment to realize controlling
high-current, high-voltage load with low-current, low-voltage controller.
PIN assignment is defined below:
O: normal open; C: normal close; P1-P8: Public end
