IF-4B is a 2/4 interface converter. It provides conversion function between 2 wire equipment (RUBY-400, RUBY-200, RUBY-RM-200) and 4 wire equipment (CCU, camera). IF-4B 2/4 can be mounted in BOX series rack or 19" frame.
Balanced and unbalanced 4 line input
I/O volume control & signal channel for null adjustment
4 wire transformer isolation for security and reliability