This article has links to download the pinout sheet of devices.
Every Wavelet model has a different pinout for each connector port. If you are unsure which model you are wiring a sensor to, contact support at email@example.com. Be sure to have the device's serial number handy.
For Wavelet 4 V2 models, p\n WA1111-xx-V2, See pinout here
Older Wavelet 4 models, p\n WA1111 - See pinout here
For a comparison of WA1111 and WA1111-xx-V2 - see here
There are a maximum total of 5 Digital channels. All 5 channels can be used for Digital Input. Alternatively, up to three of the channels can be used for Digital Output.
For example, if a maximum of three channels are used for output, only two channels remain for input. So any combination of 5 Digital inputs/outputs is possible, as long as no more than 3 channels are used for output and the total number of channels does not exceed 5.
For Wavelet 4R models, p\n WA4000 See pinout here
For Wavelet Ex models, p\n WA3888-xx-V2, See pinout here
Older Wavelet Ex models, p\n WA3888 - See pinout here
For a comparison of WA3888 and WA3888-xx-V2 - see here