The RS485 TO POE ETH (B) is the hardware upgrade version, supports PoE Ethernet port power supply, with power and signal isolation protection, which is safer for industrial applications. All three versions have the same software functionality.

Product	RS485 TO POE ETH (B)
Product Type	Serial server, Modbus Gateway, MQTT Gateway
Basic Function	Bi-directional transparent data transmission between RS485 and Ethernet
Communication interface	RS485 port x 1, Ethernet port x 1
Power supply	6 ~ 36V DC screw terminal, or PoE port
Isolation Protection	Power isolation, Signal isolation
Communication
Ethernet	PoE network port, supports IEEE 802.3af standard
	10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection
Serial port	Isolated RS485
Serial specification
Baudrate	300 ~ 115200 bps
Parity bit	none, odd, even, mark, space
Data bit	5 ~ 9 bits
Flow control	N/A
Software
Protocol	ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS
Configuration	host, web browser, device management functions library
Communication method	TCP/IP direct communication, VCOM
Operating mode	TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast
Environment requirement
Operating temperature	-40℃ ~ 85℃
Humidity range	5% ~ 95% relative humidity
Dimensions	L × W × H: 87 × 36 × 59 mm

Device	Server Serial
Type	Industrial