Just taken delivery of a cAP Lite for research:
https://mikrotik.com/product/RBcAPL-2nD-307#fndtn-downloads
There are no lights when it’s plugged into the POE injector nor a USB PSU. It’s an identical motherboard to the mAP Lite - which I have as well so was able to check POE injector.
Before I send it back DOA, I thought I’d just double check that there isn’t some hidden power switch. Yes, I’ve RTFM…