You plug an external connector into an RP controller expansion module to connect lights, blinds, dry contact digital inputs, or AC power to the module.
Ensure that you use the correct external connector, with a keying that matches the keying of the mating connector on the module and with the same color as the mating connector.
For more information, see Required External Connectors for the RP Controller Expansion Modules .
Align the connector locking latch (or tab) of the external connector with the locking tab (or latch) of the mating connector.
Push the external connector into the mating connector until the connector locking latch and locking tab engage (there will be an audible click sound).