SLAVE INPUT
The slave input is another BNC jack. Its use is to allow a RAVE unit to “slave” itself to another RAVE unit, as a backup in
To slave one RAVE unit to another, connect a BNC jumper cable from the sync output of the main unit to the slave input of the redundant unit. Select the same network channel(s) on the slave unit as are selected on the main unit. As long as the slave input detects the clock signal from the main RAVE unit, it will maintain a sort of “standby” mode, i.e., if it has analog audio outputs, the output relays will stay open to prevent the production of audio signals; if it has digital audio outputs, the bitstream will continue, but the audio information will be as if the audio channels were muted; if it has analog or digital audio inputs, the unit will not transmit data on the network.
However, once the clock signal disappears, as would happen if the main unit detects an internal fault, loses its network connection, or just fails, the slave unit will go into normal operation. If the clock signal
RS232 PORT
The RS232 port is an auxiliary function which allows you to transmit serial data over the RAVE network, from one RAVE unit to another. This is handy for remotely controlled accessories and processors that use RS232 data.
Serial data format is fixed at 19,200 baud, 9 bits (or 8 bits w/ parity), 1 stop bit.
Incoming serial data is buffered and broadcast over the network. All attached stations receive these broad- casts and transmit the data simultaneously out their respective serial ports.
When the RS232 electrical connection is in use, the serial port operates in a half duplex mode.
For pinout information, see the Appendix.
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