EIA standard for monochrome video which defines voltage levels, blanking times and width of sync pulses. 525 lines, 30 frames per second.

The initials “RS” stand for “Recommended Standard”. There are many standards set by “IEE” “International Electronic Engineers” pertaining to types of signals produced by an electronic circuit. This particular standard deals with a television signal parameter setting certain standards for signal level and timing.

A document prepared by the Electronics Industries Association describing recommended practices for NTSC color television signals in the United States.