Audio & Intercom Technical Notes

SMPTE Time Code Through Adder or Viper Data Ports
Use the Viper or Adder 9-pin data port, or the old style Viper 5-pin XLR data port, to transport your SMPTE timecode data. 
Download/View File ]

Converting Adder Data Port into Switch Closure Interface
Need more tallys or switch closures? You can easily build your own circuit to turn a bi-directional Adder RS422 port into a two-way switch closure interface. Download pdf instructions. 
Download/View File ]

Using the Clear-Com Matrix Plus Intercom with Telecast's Adder 162/322 Systems
Essential pinouts for connecting the Clear-Com Matrix Plus Intercom frame and stations to the Adder 162 and 322 systems. 
Download/View File ]

Using the Telex Adam Intercom with Telecast's Adder 882, 162 or 322 Systems
Download this pdf note to see how to wire the Adder for compatibility with this popular intercom system. Requires Telebyte converter for RS485 adaptation. 
Download/View File ]

Using the Adder 882, 162 or 322 Systems with Telestrator CODI
This simple pdf drawing illustrates the cable pinouts to hook these devices together.
Download/View File ]