Dry Contact Station (DSD-1) Controller has an RJ jack

Controller has an RJ jack that plugs into the communication line on your power cord

1x RJ12 Cable Set

features multiple advanced pump and solenoid control functions and has greatly expanded device control capacity

turning the lights off for 5

Dry Contact Station (DSD-1) Controller has an RJ jackThe Trolmaster DSD 1 Dry contact module provides a simple and flexible solution to users who want to connect to & control devices using the Hydro X or Aqua X using a dry contact or relay to activate the device. Many devices require dry contact closure to be controlled or activated. The DSD 1 is the product that you need to control those types of devices. *The DSD 1 can be configured to have the same functions as other TrolMasters power modules. The