CS-1EXM
CS-1 expansion kit, combined with D7PDM-1 extension cables, can expand the number of using units of i-conference discussion system from 50 to 150 by adding maximum two additional CS-1CU functioning as power supply units only. The system is controlled by the master CS-1CU unit.
Using D7P-10 or D7P-20 extension cables to extend the operation distance.