If a USB port is available on the PC, then use an AutomationDirect USB to RS232 PC to Panel Programming Cable Assembly shown above, to connect between the USB port on the PC and the RJ12 connector on the CPU's PORT1.
If a 9-pin RS-232 serial communications port is available on the PC, then use an AutomationDirect PC Serial Programming Cable, D2-DSCBL, to connect between the 9-pin port on the PC and the RJ12 connector on the CPU.
If you have a CLICK Ethernet CPU, simply connect a standard Ethernet cable to the Ethernet port on your PC.
Or if you have a CLICK Ethernet CPU, and wish to connect to it within a local area network, simply connect Ethernet cables into your switch or hub as shown. Many other Ethernet topologies are also possible.
ALL CLICK PLUS CPUs offer a micro-USB programming port. Simple connect a standard USB A to micro-USB cable from your PC's USB port to the CLICK PLUS CPU for a super easy programming/monitoring connection.
Wi-Fi capable CLICK PLUS CPUs allow you to bypass programming cables altogether. Simply attach your preferred antenna (sold separately), connect via Bluetooth using the free mobile app, provision the CPU for your network, and once the wireless connection is established it's ready to use.