The Comtrol 23955-A is a Rocketport Quad serial cable assembly featuring four DB9 male connectors for connecting up to four serial devices to a Rocketport Quad universal serial server card. This cable delivers reliable RS-232 serial connectivity at standard data rates up to 115.2 kbps per port, supporting legacy serial peripherals, terminals, modems, and industrial equipment. Compatible with Comtrol Rocketport Quad cards and other 4-port serial expansion solutions, the 23955-A is ideal for data centers and enterprise environments requiring consolidated serial access to multiple devices across a single network appliance. The DB9 male termination allows direct connection to serial ports on printers, plotters, UPS units, PDUs, and other serial-equipped hardware. This refurbished unit has been tested and is guaranteed fully functional and available via quote.