Full Description

Transfer of information and controls within a social alarm system by means of multi-frequency tone signals passing between a local unit and an alarm receiving station via the public switched telephone network.

Cross References:
BS 6305
BS 6789:Section 6
BS 6804

Product Details

Published: 02/28/1991 ISBN(s): 058018997X Number of Pages: 20 File Size: 1 file , 480 KB Product Code(s): 00235941, 00235941, 00235941