4-Wire Switch or 2 Independent, 2-Wire Switches industrial
The HP 3777A Channel Selector is a 4-pole access switch for telecom applications. It may be configured as a single 4-wire switch or as a two, independent, 2-wire switches. Channel capacity is arranged by adding standard modules. Unselected channels are switched to 600 ohm terminations. Option H05 30 channels with WECO 310 connectors.