[solved] DSC Alarm binding can't connect to it100. plz assist

I can’t get the dsc alarm binding to connect. Using minicom appears fine but the binding just fails. Below is my “things” file and debug.

Bridge dscalarm:it100:MyBridge [ serialPort="/dev/ttyaa00", baud=115200 ] {
	Thing panel panel
	Thing partition partition1 [ partitionNumber=1 ]
	Thing zone zone1 [ partitionNumber=1, zoneNumber=1 ]
...

2017-01-22 20:13:10.188 [DEBUG] [.dscalarm.handler.IT100BridgeHandler] - openConnection(): Connecting to IT-100
2017-01-22 20:13:10.192 [ERROR] [.dscalarm.handler.IT100BridgeHandler] - openConnection(): No Such Port Exception: null
2017-01-22 20:13:15.192 [DEBUG] [rm.handler.DSCAlarmBaseBridgeHandler] - DSC Alarm Polling Task - 'dscalarm:it100:MyBridge' is OFFLINE
2017-01-22 20:13:15.193 [ERROR] [rm.handler.DSCAlarmBaseBridgeHandler] - Not Connected to the DSC Alarm!
2017-01-22 20:13:15.194 [DEBUG] [.dscalarm.handler.IT100BridgeHandler] - openConnection(): Connecting to IT-100
2017-01-22 20:13:15.198 [ERROR] [.dscalarm.handler.IT100BridgeHandler] - openConnection(): No Such Port Exception: null

Also, discovery didn’t find it…

2017-01-22 20:34:01.041 [DEBUG] [.discovery.EnvisalinkBridgeDiscovery] - Starting Envisalink Bridge Discovery.
2017-01-22 20:34:01.043 [DEBUG] [ernal.discovery.IT100BridgeDiscovery] - Starting IT-100 Bridge Discovery.
2017-01-22 20:34:01.046 [ERROR] [.discovery.EnvisalinkBridgeDiscovery] - discoverBridge(): Error - Unable to get Subnet Information! java.lang.NullPointerException

After stepping away for a bit I remembered I once read about some JAVA_OPTS related to serial ports. Updating runtime/bin/setenv with the below got me past this issue.

-Dgnu.io.rxtx.SerialPorts=/dev/ttyUSB0:/dev/ttyaa00