8003027 is a call station with the same functionality as the basic call station 8003312 but it uses CAT-5 cable for its connection to the SemSound network. It connects, one-to-one, to the call station interface 8003304, which is part of the SemSound optical network.
The CAT-5 cable, carrying digital audio and control data, can be as long as 1 km. The length of the CAT-5 cable is not a part of the SemSound optical network length. This considerably increases the overall possible length of the optical network.
The Remote Call Station can be extended with up to 16 keypads use 8003028 with eight programmable keys.
Extension with a numeric keypad is also possible.