Ubiquitous Connect
Ethernet RS-422/485 Adapter
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Ethernet RS-422/485 adapter
Model: EA-485B
1. Processor: Cortex-M4
2. Frequency: 120MHz
3. Flash: 512K byte
4. RJ-45: 10/100 Mbps, MDI/MDIX, auto switch between cross and direct
5. Protection: 2KV electromagnetism isolation
6. Network Protocol: IP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP, Web
socket, Httpd client
7. Buffer: Max. 16k bytes
8. Data Bits: 5, 6, 7, 8
9. Stop Bit: 1, 1.5, 2
10. Parity: None, Even, Odd, Space, Mark
11. Baud Rate: 600 bps ~ 1024K bps
12. Modbus supported
13. Buffer: comm port 2K byte, Network 16K byte
14. RS-485 Pull-up and Pull-Down Resistor: Null, reserved 485
send-receive control pin
15. Working Current: 120mA (115~125) @ 3.3V
16. Power: <1W
17. Support up to 8 link from client when act as TCP Server, same data will
be send to all client.
18. Support Keepalive, detect a dead link quickly and make connection
more stable.

Remark: All contents are subject to change w/o notice.
■ LED, Sensor, remote control
■ Security
■ Industrial automation
■ Cloud
Web page configuration:
Virtual COM port driver bundled
Test APP
PC software configuration:
AT command configuration: