ES-3571 Port RS232 and 1 Port RS422/485 Ethernet to Serial Adapter Key Specs2147Ports: 1 PortProtocol: RS232 Test
ES-551Isolated Industrial Ethernet to Serial 1xRS232/422/485 Key Specs2147Ports: 1 PortProtocol: RS232 Test
ES-571Isolated Industrial Ethernet to Serial 1xRS232/422/485 + Ethernet Switch Key Specs2147Ports: 1 PortProtocol: RS232 Test