Digi One RealPort and PortServer TS 2/4 units are shipped with a fully-wired null-modem terminal cable to be used for configuring the device. The cable is 24 inches long and is equipped with a 10-pin RJ-45 plug at one end and a male DB-25 connector at the other end. The cable is wired according to the diagram in RJ-45 9-Wire Terminal/Printer Cable.