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