BS PD 6565:1992
BS PD 6565:1992
A draft amendment to BS 6789-6.2:1989 "Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators. Part 6. Specification for series connected apparatus. Section 6.2. Apparatus having less than maximum allowa
standard published 10/31/1992 by British Standards Institution
