Clear-Com stopped selling the CAM-IF product in Jan 2012 The CAM-IF was used to sum a number of camera talkback circuits into one 4-wire on the matrix. Most systems have individual 4-wire feeds to the Camera CCU - so for an 8 camera OB this will use 8 ports on the matrix Some customers to save on port space would sum all the cameras CCUs to one port by using the CAM-IF unit The CAM-IF was 2RU unit that was made up of 2 x 1RU products 1RU Mixer provided 8 mono into 1 mono 1RU DA provided 1 mono to 8 mono outputs
This was a 3rd party product, the unit is still made by the original manufacturer (Audionics UK) or alternative mixer / DA units can be sources locally from your country.
There are a number of mixer / DA products on the market and we recommend you source a local manufacturer. However you can look at using: