Kingfisher Plus+ Hardware Manual
RJC-ADP-20: CP-xx Line Option Board to Trio S Series Analogue Radio
For use with TC-450SR or TC-900SR.
To Kingfisher Serial Port
RJC-ADP-21: CP-xx Line Option Board to Tait T2010 Analogue Radio
To Kingfisher Serial Port
Hardware Manual Version 7.16
http://www.servelec-semaphore.com/
Page 233