Installation board for building-internal videophone with colour monitor

Bus-operated building-internal telephone system with colour monitor, including the following functions and components:

• Calls and voice communication
• Push-button function for activating monitor separately
• Brightness and contrast adjustment
• Door opener function via bus
• Stairway lighting via bus
• Calls to specific storeys
• Eavesdropping protection
• Storey-call button
• Power supply via bus
• Plug-in terminators
• Inputs and outputs: 2 mm safety sockets
• All inputs and outputs can also be connected via cage-clamp terminals for the benefit of project work
• Dimensions: 297 x 224 x 160 mm
• Weight: 1.0kg