Access Control
& Security Systems

The 2-wire, digital intercom module has connections for a speaker/microphone/keypad/call buttons, uses DSP technology and provided line security. The 2-inputs/2-relay outputs can be configured for various functions that allow audio monitoring, automatic alarms and features such as digital filters.

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This month in Access Control

• Opening Up About Door Closers
• An Enterprise Approach
• The Framework For Open Systems
• On A Higher Plane
• More from April's issue