8 I/O CONTROLLER : ML 8I/O

The Milestone ML 8 I/O is an eight-channel input/output controller built to manage electrical appliances from multiple operating positions. It is engineered for applications such as microphone and camera switching, where several operators need to trigger equipment reliably from different points using dry contact closures or the built-in front panel keypad.

Key Features
• 8 optically isolated relay outputs rated up to 24V and 500mA per channel
• Individual relay toggle control through local front panel keypads 1 to 8
• 3-bit DIP switch unit identifier supporting up to 64 units in a cluster
• RS232 interface for external serial control with status feedback
• Battery-backed memory retains the last relay state after power loss
• Contact closure input triggering with captive screw terminals
• LED status indication for all channels and power
• Operates on standard 230V AC mains in a table-top form factor

Applications
• Look-at-me microphone and camera switching in live production setups
• Multi-point corporate meeting and boardroom environments
• Automated lecture hall microphone routing
• Distributed AV hardware control racks
• Industrial control centers requiring isolated relay switching

Summary
The Milestone ML 8 I/O Controller is a dependable, plug-and-play relay control platform for professional audio-visual and control-room installations. Its optically isolated outputs, flexible trigger methods, RS232 control and battery-backed memory make it a practical choice for integrators who need scalable, multi-operator appliance control.