Two independent RS232 / RS485 serial buses with Socket A and Socket B for each port
Y202-R Dual-Port Serial-to-Ethernet DTU
2 Ports Serial to Ethernet Converter
Dual-port Ethernet DTU for retaining two independent serial buses while bringing PLCs, meters, or relays onto a single Ethernet uplink.

Key Features
10/100Base-T Ethernet uplink with static IP or DHCP
Built-in browser console with default address 192.168.10.8 and consistent DTU firmware features such as registration packets and NET/UART heartbeat
9 to 36 VDC power input with industrial EMC design and dual watchdog protection
Specifications
Power Supply
- Voltage
- DC 9~36V
- Input Style
- Terminal input, optional DC barrel input
- Protection
- Industrial EMC design, dual watchdog
Serial Interfaces
- Ports
- 2
- Type
- 2 x RS232 / RS485 depending on SKU
- Sku Examples
- 2H = dual RS232, 4H = dual RS485, 6H = 1 x RS232 + 1 x RS485
Ethernet
- Interface
- 10/100Base-T RJ45
- Ip Mode
- Static IP / DHCP
- Default Address
- 192.168.10.8
- Maintenance
- Web UI, remote AT, HTTP OTA
Software
- Protocols
- TCP / UDP / HTTP / MQTT
- Gateway Function
- Modbus RTU to Modbus TCP
- Value Added Functions
- Registration packet, NET/UART heartbeat, reconnect logic
Product Documents
Related Products
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