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.
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 ...
Expanding the SeaLINK USB-to-serial product line, the SeaLINK+8/232.RJ and the SeaLINK+8.VC provide eight independent serial ports that appear as standard COM ports to the host computer, enabling ...