4-Channel Switchboard Main Station - 5-channel X 10 station assignment matrix, no speaker - with built-in 2-amp power supply, rack mount (2RU)..
SB-704 includes all of the features of the MS-704, with a 4 x10 assignment matrix in place of the internal speaker (external speaker required for station monitoring). The station features a ten-position slide switch matrix that allows assignment of any of the ten intercom lines to any of the four intercom channels, to an isolated separate party-line, or to an off position.
- Supports up to 55 beltpacks or 10 speaker stations on four channels
- 10 x 4 assignment switching matrix
- Separate short-circuit protection for each channel
- Dual-action electronic momentary/latching Talk buttons
- Three interruptable IFB channels
- Call signal buttons for each channel
- Global Remote Mic Kill
- Announce output with relay
- Microphone limiting
- Volume controls for each channel
- Visual and audible Tone Alert signaling
- Channel linking
- External switchable line termination on each channel
- Universal voltage power supply
