Hello @chris,
I had set up small working system by using openhab in eclipse included org.openhab.binding.zigbee and com.zsmartsystems.zigbee bindings.
The coordinator was showing UNKNOWN in paper ui.
I got below log files
2018-11-20 17:10:22.506 [INFO ] [rthome.event.ThingUpdatedEvent:53 ] - Thing ‘zigbee:coordinator_cc2531:f65845e1’ has been updated.
2018-11-20 17:10:22.506 [DEBUG] [.c.c.r.AbstractManagedProvider:117 ] - Updated element zigbee:coordinator_cc2531:f65845e1 in ManagedThingProvider.
2018-11-20 17:10:22.507 [DEBUG] [b.z.h.ZigBeeCoordinatorHandler:274 ] - Link key final array 5A6967426565416C6C69616E63653039
2018-11-20 17:10:22.508 [DEBUG] [z.cc2531.handler.CC2531Handler:53 ] - ZigBee CC2531 Coordinator opening Port:‘COM16’ PAN:189e, EPAN:79DE1F1AB5F7A54F, Channel:11
2018-11-20 17:10:22.509 [INFO ] [ome.event.ThingStatusInfoEvent:53 ] - ‘zigbee:coordinator_cc2531:f65845e1’ updated: UNKNOWN
2018-11-20 17:10:22.514 [INFO ] [nt.ThingStatusInfoChangedEvent:53 ] - ‘zigbee:coordinator_cc2531:f65845e1’ changed from INITIALIZING to UNKNOWN
2018-11-20 17:10:22.516 [DEBUG] [b.z.h.ZigBeeCoordinatorHandler:469 ] - Scheduling ZigBee start
2018-11-20 17:10:22.527 [DEBUG] [.c.c.r.AbstractManagedProvider:62 ] - Added new element zigbee:coordinator_cc2531:f65845e1 to ManagedThingProvider.
2018-11-20 17:10:23.419 [DEBUG] [i.r.s.internal.SitemapResource:168 ] - Run clean SSE subscriptions job
2018-11-20 17:10:23.517 [DEBUG] [b.z.h.ZigBeeCoordinatorHandler:471 ] - ZigBee network starting
2018-11-20 17:10:23.517 [DEBUG] [b.z.h.ZigBeeCoordinatorHandler:362 ] - Initialising ZigBee coordinator
2018-11-20 17:10:23.521 [WARN ] [rappedScheduledExecutorService:67 ] - Scheduled runnable ended with an exception: java.lang.LinkageError: com/zsmartsystems/zigbee/transport/ZigBeeTransportTransmit
at com.zsmartsystems.zigbee.ZigBeeNetworkManager.(ZigBeeNetworkManager.java:271)
at org.openhab.binding.zigbee.handler.ZigBeeCoordinatorHandler.initialiseZigBee(ZigBeeCoordinatorHandler.java:368)
at org.openhab.binding.zigbee.handler.ZigBeeCoordinatorHandler.lambda$1(ZigBeeCoordinatorHandler.java:473)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Thanks and Regards,
Amar.