Shielded cable to connect any OP400 series OptiMate unit to a DL405 CPU.  Ref: OP-4CBL-3
	Shielded cable to connect any OP400 series OptiMate unit to a DL405 CPU. 2m (6.56 ft.) RS-232C cable, RJ12 modular plug to 15-pin D-shell male connector.