Cable type F
You need this cable to use with monochrome monitors which have a phono input
socket. You need a 15-way plug to phono socket adaptor with resistors, to mix the
separate red, green and blue signals into a composite monochrome signal (you can fit
these components into a 15-way connector shell).
You need an adaptor cable that has a 15-way D-type plug on one end, and a phono
plug on the other. The connections are as follows: