We may receive a commission on purchases made from links. As technology has advanced, the types of ports on computers have also changed for the better. However, that doesn't mean devices with older ...

The SeaLINK+8/232 RJ and the SeaLINK+8 VC USB-to-serial adapters offer eight independent serial ports, each of which appear as standard COM ports to the host computer. The devices connect RS-232 and ...

If your USB to serial adapter is supported by standard Windows drivers, then it's implemented using the USB communications device class, and break signal detection ought to be in there.

The RS-422/485/530 adapter can be used to extend USB-enabled notebook PCs up to 5,000'. The adapters get their power from the USB cable, eliminating the need for wall power. The SeaLINK+232 is priced ...

Expanding the SeaLINK USB family, the SeaLINK+I.DIN (Item# 2113) and SeaLINK+2I.DIN (Item# 2213) optically isolated USB to RS-232/-422/-485 adapters offer one or two serial ports, respectively, and ...