JVC Model 55T ESI Tally Interface for GY-HD250 and GY-HM700

Model 55T ESI Tally Interface for GY-HD250 and GY-HM700 from ESI Inc activates the tally feature on the camera and at the same time performs RCU functions on up to four cameras over long distances. The purpose of the Model 55T is to allow greater distances between the RCU and the camera. For tally operation, Model 55T utilizes switch closure contacts along with terminal blocks to send on and off tally light commands to the camera.