Bi-Directional Signal Interface for Dial-up telephone Line

	RCI-100-MDM	1 Analog Input & 1 Digital Input 1 Analog Output & 1 Digital Output
	RCI-200-MDM	2 Analog Inputs & 2 Digital Inputs  2 Analog Outputs & 2 Digital Outputs
	RCI-400-MDM	4 Analog Inputs & 4 Digital Inputs  4 Analog Outputs & 4 Digital Outputs
	RCI-800-MDM	8 Analog Inputs & Digital Inputs  8 Analog Outputs & Digital Outputs