10 975-0123-01-01 Rev ACable Installation (Step 2)Connect the display to the controller using the serial communicationscable provided. The cable is a six-conductor telephone cable withmodular-type connectors (RJ-15). Although any telephone-type cablewill work, the cables provided with the displays use stranded andtin-plated wire for better performance and longer life.The following instructions are illustrated in Figure 6.To connect the Faceplate to the C-Series controller:1. Remove the front cover of the C-Series controller by removing thefour screws on the front cover of the unit.2. Remove the LED on the circuit board of the C-Series controllernext to the RJ-15 Port just above the BATTERY POSITIVE connector.If the LED must be replaced in the future, it will operate in eitherorientation, except if replaced incorrectly, the color of the statusLED will be reversed.3. Insert the serial communications cable from the faceplate into theRJ-15 Port.4. Align the faceplate on the front of the C-Series controller so that theholes for the faceplate match.5. Secure the faceplate in place using the four screws removed inStep 1.