In order to program. monitor or configure any TRi brand of PLCs or peripherals such as the Ethernet XServer. your PC needs to have a RS232 serial
RS232 to USB converter - Victron Energy
OMEGA
GEMLinkplus Software and USB Drivers for Magnetometers and
TRENDnet's USB to Serial Converter, model TU-S9, allows users to conveniently connect an RS-232 serial device, such as a modem or printer, to a USB port on your desktop PC or laptop. The USB to serial adapter supports both Windows and Mac operating systems. Integrated cables provide setup flexibility and accommodates most installation scenarios.
TRENDnet TU-S9 USB to Serial Converter
Usb To Parallel Printer Cable Driver China Trade,Buy China Direct
Description Includes Documents There are a lot of devices out there that still communicate over RS232 but we bet your new laptop isn't one of them.
USB to RS232 Converter - 6ft
TRENDnet's USB to Serial Converter, model TU-S9, allows users to conveniently connect an RS-232 serial device, such as a modem or printer, to a USB port on your desktop PC or laptop. The USB to serial adapter supports both Windows and Mac operating systems. Integrated cables provide setup flexibility and accommodates most installation scenarios.
TRENDnet TU-S9 USB to Serial Converter
The Opto232 Program Transfer Adapter is required for programming and monitoring the E10-Relay+ PLC which does not have built-in RS232 port. One end of
OPTO-232 Program Transfer Adapter OPTO232
1 Port USB to RS232 DB9 Serial Adapter with Detachable 6ft USB A
Can I connect a MAX232 with a USB cable instead of a DB9 cable
Serial Data Communication by U.S. Converters LLC