This serial cable by Delock is a fully wired null modem cable with - CTS / RTS auto control - for printers, measuring instruments, converters, RS-232 hubs, patch panels etc. With this cable, two serial RS-232 devices can be connected to each other for data exchange.
Mini D-Sub 9 connector These cables fit on any RS-232 port, as the mini D-Sub 9 connectors (44 x 33.3 x 15 mm) are small and compact. In this way, RS-232 connections can be used directly adjacent to each other.