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:
- 16
- File Size:
- 1 file , 480 KB
- Product Code(s):
- 235941, 235941, 00235941
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
