ITEC AVC-MONITORING SMD is a module for the monitoring of up to four microphone lines (specially designed for the use with the ITEC AVC-MIC). Besides of the monitoring of microphone cables (for short circuit and open circuit), the summation of up to four microphone signals is possible. The summary of up to 4 microphones distributed over an area will then become the result for the ambient noise.

• Open Frame module for installation in the system cabinet
• Easy installation, prepared for DIN-rail 35 mm
• All connections on plug terminal blocks
• Collective fault relay contact (fault / OK)
• Suitable for both mic level and line level
• Monitoring / summing up to four microphones
• Provides the connected microphones with phantom voltage 12V
• Exclusion of non-active lines by jumpers