Dual Serial

Serial server Modbus TCP to RTU RS232\RS485 dual serial transfer network
US $22.50
USR TCP232 410s Dual Serial RS485 RS232 to Ethernet Server TCP/IP Networking
US $37.91
[SA] EXPRESS turn RS232 notebook dual serial card HY CE04 original spot
US $193.72
Dual network dual serial port Ethernet switch network standard POE power supply
US $125.76
USR TCP232 E2 dual serial port to Ethernet module serial port to RJ45 3.3V/5V
US $25.00
4 analog inputs 2 analog output RS232/RS485 dual serial port 0 10V to 4 20MA
US $76.00
DAM14142 RS232/485 dual serial port relay output control panel 14 analog input
US $54.90
Serial server TCP RTU to RS232\RS485 Modbus dual serial transfer network
US $36.98