thanks… made the change to software flow control and this is what I get… still says “unknown” even rebooted… the last line after the reboot is curious since there is nothing else beyond the firmware status - 8 seconds after the events, etc start… now I am really confused…
2018-06-25 10:34:57.990 [DEBUG] [nal.ZigBeeNetworkStateSerializerImpl] - Saving ZigBee network state: Start.
2018-06-25 10:34:57.997 [DEBUG] [nal.ZigBeeNetworkStateSerializerImpl] - Saving ZigBee network state: Done.
2018-06-25 10:34:58.000 [DEBUG] [bee.internal.ZigBeeNetworkDiscoverer] - Network discovery task shutdown
2018-06-25 10:34:58.021 [DEBUG] [e.ember.internal.ash.AshFrameHandler] - AshFrameHandler exited.
2018-06-25 10:34:58.023 [DEBUG] [ding.zigbee.handler.ZigBeeSerialPort] - Serial port '/dev/ttyAMA0' closed.
2018-06-25 10:34:58.026 [DEBUG] [e.ember.internal.ash.AshFrameHandler] - AshFrameHandler close.
2018-06-25 10:34:58.030 [DEBUG] [e.ember.internal.ash.AshFrameHandler] - AshFrameHandler close complete.
2018-06-25 10:34:58.033 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - ZigBee network [zigbee:coordinator_ember:9c44f932] closed.
2018-06-25 10:34:58.036 [DEBUG] [ng.zigbee.ember.handler.EmberHandler] - Initializing ZigBee Ember serial bridge handler.
2018-06-25 10:34:58.039 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Initializing ZigBee network [zigbee:coordinator_ember:9c44f932].
2018-06-25 10:34:58.043 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Channel -1
2018-06-25 10:34:58.046 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - PANID 21407
2018-06-25 10:34:58.049 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - EPANID 907585F9084B6CD9
2018-06-25 10:34:58.052 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2018-06-25 10:34:58.055 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key String 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2018-06-25 10:34:58.060 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key initialised 9AC2803B844B7DF8E8CFC70F22F94088
2018-06-25 10:34:58.064 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key final array 9AC2803B844B7DF8E8CFC70F22F94088
2018-06-25 10:34:58.069 [DEBUG] [ng.zigbee.ember.handler.EmberHandler] - ZigBee Ember Coordinator opening Port:'/dev/ttyAMA0' PAN:539f, EPAN:907585F9084B6CD9, Channel:-1
2018-06-25 10:34:58.073 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Scheduling ZigBee start
2018-06-25 10:34:59.078 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - ZigBee network starting
2018-06-25 10:34:59.084 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Initialising ZigBee coordinator
2018-06-25 10:34:59.091 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key initialise 9AC2803B844B7DF8E8CFC70F22F94088
2018-06-25 10:34:59.094 [DEBUG] [zigbee.dongle.ember.ZigBeeDongleEzsp] - EZSP dongle initialize with protocol ASH2.
2018-06-25 10:34:59.098 [DEBUG] [ding.zigbee.handler.ZigBeeSerialPort] - Connecting to serial port [/dev/ttyAMA0] at 57600 baud, flow control FLOWCONTROL_OUT_XONOFF.
2018-06-25 10:34:59.108 [DEBUG] [ding.zigbee.handler.ZigBeeSerialPort] - Serial port [/dev/ttyAMA0] is initialized.
2018-06-25 10:34:59.115 [DEBUG] [e.ember.internal.ash.AshFrameHandler] - --> TX ASH frame: AshFrameRst []
2018-06-25 10:34:59.116 [DEBUG] [e.ember.internal.ash.AshFrameHandler] - AshFrameHandler thread started
2018-06-25 10:34:59.124 [DEBUG] [e.ember.internal.ash.AshFrameHandler] - ASH: TX EZSP queue: 1
then I rebooted the pi -
2018-06-25 10:39:33.196 [DEBUG] [org.openhab.binding.zigbee ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.core.thing.binding.ThingHandlerFactory}={service.id=121, service.bundleid=256, service.scope=bundle, component.name=org.openhab.binding.zigbee.internal.ZigBeeHandlerFactory, component.id=20} - org.openhab.binding.zigbee
2018-06-25 10:39:33.223 [DEBUG] [org.openhab.binding.zigbee ] - BundleEvent STARTING - org.openhab.binding.zigbee
2018-06-25 10:39:33.226 [DEBUG] [org.openhab.binding.zigbee ] - BundleEvent STARTED - org.openhab.binding.zigbee
2018-06-25 10:39:33.256 [DEBUG] [org.openhab.binding.zigbee ] - BundleEvent [unknown:512] - org.openhab.binding.zigbee
2018-06-25 10:39:33.265 [DEBUG] [org.openhab.binding.zigbee.cc2531 ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.core.thing.binding.ThingHandlerFactory}={service.id=122, service.bundleid=257, service.scope=bundle, component.name=org.openhab.binding.zigbee.cc2531.internal.CC2531HandlerFactory, component.id=21} - org.openhab.binding.zigbee.cc2531
2018-06-25 10:39:33.269 [DEBUG] [org.openhab.binding.zigbee.cc2531 ] - BundleEvent STARTING - org.openhab.binding.zigbee.cc2531
2018-06-25 10:39:33.272 [DEBUG] [org.openhab.binding.zigbee.cc2531 ] - BundleEvent STARTED - org.openhab.binding.zigbee.cc2531
2018-06-25 10:39:33.291 [DEBUG] [org.openhab.binding.zigbee.cc2531 ] - BundleEvent [unknown:512] - org.openhab.binding.zigbee.cc2531
2018-06-25 10:39:33.303 [DEBUG] [org.openhab.binding.zigbee.ember ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.config.discovery.usbserial.UsbSerialDiscoveryParticipant}={service.id=123, service.bundleid=258, service.scope=bundle, component.name=org.openhab.binding.zigbee.ember.internal.discovery.ZigBeeEmberUsbSerialDiscoveryParticipant, component.id=22} - org.openhab.binding.zigbee.ember
2018-06-25 10:39:33.307 [DEBUG] [org.openhab.binding.zigbee.ember ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.core.thing.binding.ThingHandlerFactory}={service.id=124, service.bundleid=258, service.scope=bundle, component.name=org.openhab.binding.zigbee.ember.internal.EmberHandlerFactory, component.id=23} - org.openhab.binding.zigbee.ember
2018-06-25 10:39:33.311 [DEBUG] [org.openhab.binding.zigbee.ember ] - BundleEvent STARTING - org.openhab.binding.zigbee.ember
2018-06-25 10:39:33.314 [DEBUG] [org.openhab.binding.zigbee.ember ] - BundleEvent STARTED - org.openhab.binding.zigbee.ember
2018-06-25 10:39:33.322 [DEBUG] [org.openhab.binding.zigbee.ember ] - BundleEvent [unknown:512] - org.openhab.binding.zigbee.ember
2018-06-25 10:39:33.334 [DEBUG] [org.openhab.binding.zigbee.telegesis] - ServiceEvent REGISTERED - {org.eclipse.smarthome.core.thing.binding.ThingHandlerFactory}={service.id=125, service.bundleid=259, service.scope=bundle, component.name=org.openhab.binding.zigbee.telegesis.internal.TelegesisHandlerFactory, component.id=24} - org.openhab.binding.zigbee.telegesis
2018-06-25 10:39:33.338 [DEBUG] [org.openhab.binding.zigbee.telegesis] - BundleEvent STARTING - org.openhab.binding.zigbee.telegesis
2018-06-25 10:39:33.341 [DEBUG] [org.openhab.binding.zigbee.telegesis] - BundleEvent STARTED - org.openhab.binding.zigbee.telegesis
2018-06-25 10:39:33.348 [DEBUG] [org.openhab.binding.zigbee.telegesis] - ServiceEvent REGISTERED - {org.eclipse.smarthome.config.discovery.usbserial.UsbSerialDiscoveryParticipant}={service.id=126, service.bundleid=259, service.scope=bundle, component.name=org.openhab.binding.zigbee.telegesis.internal.discovery.ZigBeeTelegesisUsbSerialDiscoveryParticipant, component.id=25} - org.openhab.binding.zigbee.telegesis
2018-06-25 10:39:33.350 [DEBUG] [org.openhab.binding.zigbee.telegesis] - BundleEvent [unknown:512] - org.openhab.binding.zigbee.telegesis
2018-06-25 10:39:33.360 [DEBUG] [org.openhab.binding.zigbee.xbee ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.core.thing.binding.ThingHandlerFactory}={service.id=127, service.bundleid=260, service.scope=bundle, component.name=org.openhab.binding.zigbee.xbee.internal.XBeeHandlerFactory, component.id=26} - org.openhab.binding.zigbee.xbee
2018-06-25 10:39:33.363 [DEBUG] [org.openhab.binding.zigbee.xbee ] - BundleEvent STARTING - org.openhab.binding.zigbee.xbee
2018-06-25 10:39:33.366 [DEBUG] [org.openhab.binding.zigbee.xbee ] - BundleEvent STARTED - org.openhab.binding.zigbee.xbee
2018-06-25 10:39:33.373 [DEBUG] [org.openhab.binding.zigbee.xbee ] - BundleEvent [unknown:512] - org.openhab.binding.zigbee.xbee
2018-06-25 10:40:03.994 [DEBUG] [bee.discovery.ZigBeeDiscoveryService] - Creating ZigBee discovery service for zigbee:coordinator_ember:9c44f932
2018-06-25 10:40:03.996 [DEBUG] [bee.discovery.ZigBeeDiscoveryService] - Activating ZigBee discovery service for zigbee:coordinator_ember:9c44f932
2018-06-25 10:40:04.001 [DEBUG] [org.openhab.binding.zigbee.ember ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.config.discovery.DiscoveryService}={service.id=285, service.bundleid=258, service.scope=singleton} - org.openhab.binding.zigbee.ember
2018-06-25 10:40:04.014 [DEBUG] [org.openhab.binding.zigbee.ember ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.core.thing.binding.firmware.FirmwareUpdateHandler}={service.id=286, service.bundleid=258, service.scope=singleton} - org.openhab.binding.zigbee.ember
2018-06-25 10:40:04.056 [DEBUG] [ng.zigbee.ember.handler.EmberHandler] - Initializing ZigBee Ember serial bridge handler.
2018-06-25 10:40:04.058 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Initializing ZigBee network [zigbee:coordinator_ember:9c44f932].
2018-06-25 10:40:04.061 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Channel -1
2018-06-25 10:40:04.063 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - PANID 21407
2018-06-25 10:40:04.065 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - EPANID 907585F9084B6CD9
2018-06-25 10:40:04.072 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2018-06-25 10:40:04.074 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key String 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2018-06-25 10:40:04.081 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key initialised E92133C72371D13C5A13B3E4B2975294
2018-06-25 10:40:04.083 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key final array E92133C72371D13C5A13B3E4B2975294
2018-06-25 10:40:04.169 [DEBUG] [ng.zigbee.ember.handler.EmberHandler] - ZigBee Ember Coordinator opening Port:'/dev/ttyAMA0' PAN:539f, EPAN:907585F9084B6CD9, Channel:-1
2018-06-25 10:40:04.180 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Scheduling ZigBee start
2018-06-25 10:40:05.187 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - ZigBee network starting
2018-06-25 10:40:05.189 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Initialising ZigBee coordinator
2018-06-25 10:40:05.239 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key initialise E92133C72371D13C5A13B3E4B2975294
2018-06-25 10:40:05.243 [DEBUG] [zigbee.dongle.ember.ZigBeeDongleEzsp] - EZSP dongle initialize with protocol ASH2.
2018-06-25 10:40:05.255 [DEBUG] [ding.zigbee.handler.ZigBeeSerialPort] - Connecting to serial port [/dev/ttyAMA0] at 57600 baud, flow control FLOWCONTROL_OUT_XONOFF.
2018-06-25 10:40:05.360 [DEBUG] [ding.zigbee.handler.ZigBeeSerialPort] - Serial port [/dev/ttyAMA0] is initialized.
2018-06-25 10:40:06.970 [DEBUG] [e.ember.internal.ash.AshFrameHandler] - --> TX ASH frame: AshFrameRst []
2018-06-25 10:40:06.971 [DEBUG] [e.ember.internal.ash.AshFrameHandler] - AshFrameHandler thread started
2018-06-25 10:40:08.077 [DEBUG] [e.ember.internal.ash.AshFrameHandler] - ASH: TX EZSP queue: 1
2018-06-25 10:40:10.369 [DEBUG] [com.zsmartsystems.zigbee ] - BundleEvent STARTING - com.zsmartsystems.zigbee
2018-06-25 10:40:10.385 [DEBUG] [com.zsmartsystems.zigbee ] - BundleEvent STARTED - com.zsmartsystems.zigbee
2018-06-25 10:40:10.398 [DEBUG] [m.zsmartsystems.zigbee.dongle.cc2531] - BundleEvent STARTING - com.zsmartsystems.zigbee.dongle.cc2531
2018-06-25 10:40:10.425 [DEBUG] [m.zsmartsystems.zigbee.dongle.cc2531] - BundleEvent STARTED - com.zsmartsystems.zigbee.dongle.cc2531
2018-06-25 10:40:10.437 [DEBUG] [om.zsmartsystems.zigbee.dongle.ember] - BundleEvent STARTING - com.zsmartsystems.zigbee.dongle.ember
2018-06-25 10:40:10.446 [DEBUG] [om.zsmartsystems.zigbee.dongle.ember] - BundleEvent STARTED - com.zsmartsystems.zigbee.dongle.ember
2018-06-25 10:40:10.474 [DEBUG] [smartsystems.zigbee.dongle.telegesis] - BundleEvent STARTING - com.zsmartsystems.zigbee.dongle.telegesis
2018-06-25 10:40:10.479 [DEBUG] [smartsystems.zigbee.dongle.telegesis] - BundleEvent STARTED - com.zsmartsystems.zigbee.dongle.telegesis
2018-06-25 10:40:10.553 [DEBUG] [com.zsmartsystems.zigbee.dongle.xbee] - BundleEvent STARTING - com.zsmartsystems.zigbee.dongle.xbee
2018-06-25 10:40:10.571 [DEBUG] [com.zsmartsystems.zigbee.dongle.xbee] - BundleEvent STARTED - com.zsmartsystems.zigbee.dongle.xbee
2018-06-25 10:48:33.612 [nt.FirmwareStatusInfoEvent] - Firmware status of thing zigbee:coordinator_ember:9c44f932 changed to UNKNOWN.```