it may well have come with an adapter for a 9-pin RS232 serial port. Those mice from a decade or more ago would have contained the software to recognise the interface into which they were plugged ...

AMAG M2150 includes integrated RS232 port. Door input and output controllers connect using RS485. The optional network interface modules are able to provide LAN or wireless access. At the core of a ...

An RS232 port is available for $14, a single-port KVM for $48, and a 4G LTE expansion module for $110. There's also a microSD card reader with UHS-I support. Earlier in 2024, GPD introduced the ...