2 Ports Serial to Ethernet Converter

Y202-R Dual-Port Serial-to-Ethernet DTU

Model: Y202-R

Key Features

  • Dual RS485/RS232 ports share a 10/100M Ethernet uplink with link aggregation

  • Four concurrent TCP/UDP/HTTP/MQTT tunnels plus Modbus polling and JSON push

  • Web/CLI/SMS management with DHCP, DNS, SNMP, and NTP sync

Overview

Dual-port MiniLink DTU that maps two RS232/RS485 channels to 10/100M Ethernet with dual socket contexts, Modbus RTU/TCP gateway, and browser-based provisioning for redundant control cabinets.

Key Features

  • Dual RS485/RS232 ports share a 10/100M Ethernet uplink with link aggregation

  • Four concurrent TCP/UDP/HTTP/MQTT tunnels plus Modbus polling and JSON push

  • Web/CLI/SMS management with DHCP, DNS, SNMP, and NTP sync

  • 9–36 VDC dual inputs with reverse polarity, surge protection, and watchdog failover

Specifications

Power SupplyVoltageDC 9~36V
Typical Current140 mA @ 12V (dual sockets active)
ProtectionReverse polarity, EFT/ESD suppression
Serial InterfacesPorts2
ConfigurationsRS232/RS485 selectable per port
Baud Rate1,200~460,800 bps
Data Bits7/8
Stop Bits1/2
ParityNONE / EVEN / ODD
PackagingLength 64–1024 bytes, gap 1–300 ms
EthernetInterface10/100Base-T RJ45, auto MDI/MDIX
Ip ModesStatic (default 192.168.10.8) / DHCP
ServicesHTTP config server, TCP/UDP sockets, HTTP Client, MQTT Client
Max ClientsUp to 8 TCP clients per server socket
EnvironmentalOperating Temperature-35°C ~ +75°C (extended -40°C ~ +85°C)
Humidity5% ~ 95% RH
ProtectionIEC 61000-4-2 Level 4 ESD/EFT
Dimensions118 × 89 × 30 mm
EnclosureMetal chassis, DIN-rail mounting

Documentation & Support