Model RCCR-1 X 4 Remote Controlled
The Model RCCR-1 X 4 Remote Controlled Coaxial Relay provides locally and remotely controlled RF switching between one transmitter rated at up to 2 kW average power/6 kW peak power and four antennas operating over a DC to 32 MHz frequency range. The RCCR-1 X 4 provides four momentary pushbutton switches to locally select the antenna to be connected to the transmitter. The pushbutton switch associated with the selected antenna illuminates to indicate the connection of the antenna to the transmitter. The RCCR-1 X 4 unkeys the transmitter via the interlock circuit prior to RF switching to prevent hot RF switching. Upon completion and verification of the RF switching, the RCCR-1 X 4 closes an interlock relay to enable the transmitter to be keyed. The RCCR-1 X 4 is equipped with a RS-232 or RS-422 serial data interface to enable remotely controlled RF switching. The RCCR-1 X 4 will implement correctly formatted connect messages and will respond to status requests with a message detailing the antenna connected to the transmitter, interlock status, local/remote mode and fault status.
The modular design of the Remote Controlled Coaxial Relay accommodates different transmitter/antenna switching requirements ranging from 1 transmitter/2 antennas to 1 transmitter/8 antennas as well as 2 transmitters/2 antennas transfer switching. Different RF power levels and operational frequency ranges varying from 2 kW average at 32 MHz/500 W average at 400 MHz to 750 W average at 32 MHz/200 W average at 400 MHz are accommodated by equipping the unit with alternate coaxial relay types or connectors. The microprocessor logic used in the RCCR-1 X 4 facilitates adaptation of the program to meet special customer requirements such as custom serial interface formats or descriptive labels for the transmitter and the antennas.