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Wireless Gateway Owner’s Manual
2
3.1.2 Power Supply
The power input should be 100VAC-240VAC, 50/60Hz.
Warning: Do not touch the power input when the gateway is energized.
3.1.3 Communication Interfaces
“RS485-3”
：
Communication interface reserved.
“RS485-2”
：
Communication interface reserved.
“RS485-1”
：
Communication interface reserved.
“CAN”: CAN communication interface
，
it is used to connect the indoor and outdoor unit throught CAN bus.
“ETHERNET”
：
ETHERNET port reserved.
“SD”: SD card interface for program record and upgrade
，
It is reserved.
“USB”: USB interface, for program record and upgrade.
“MICRO”: MICRO_USB interface, with the same functions as USB interface, adaptable for various USB interface
models.
3.1.4 DI/AI Input
The product doesn’t use this communication interface temporarily, It is reserved.
“DI1”: Digital input
“DI2”: Digital input
“AI1”: Analog input