Features:

• Bi-Directional Communication using Single phone Line
• Standard Dry Contact Inputs
• Form 'C' Relay Contact Outputs
• Uses Standard Class 'C' Voice Grade Line
• No Calibration or Setup Required
• Microprocessor Controlled for High Accuracy
• Power: 117 VAC 50/60 Hz (Optional 24 VDC)
• High Noise Rejection
• CSA and NRTL Approved (LR 51078)