MX020 Telephone Line Remote Control
Telephone Line Remote Control - 4 Channel MX020
circuit connects to the telephone line
and can be used to remotely control up to 4 relay outputs using a DTMF
(tone dialing) telephone.
4 Output relays contacts rated at
Operating voltage 12VDC,
max. 180 mA.
(Need a Power Supply?)
2 - RJ11 sockets for telephone line.
4 - 3-way pluggable screw terminals for
PCB dimensions: 4.98x3.49
Enclosure NOT included
CKMX020DATA.pdf for complete
details, including schematic and theory of operation. Requires
Adobe Acrobat Reader available at