IF4W4 11/2/2017 RELATED NEWS BY PRODUCT ProductsClear-Com Encore Analog Partyline SystemsInterfaces RELATED NEWS BY MARKET ProductsClear-Com Encore Analog Partyline SystemsInterfaces Interfaces TV cameras, 2-way radios, fiber circuits and other 4-wire devices to Clear-Com partyline Individual Transmit Receive and Null controls Transmit output switchable between mic and line level Built-in test jack and oscillator for quick nulling Selective partyline capability Accepts balanced or unbalanced 4-wire input Transformer isolated Terminal block and XLR connectors for each interface Powered by the intercom line