User guide

Appendix B: Diagnostics Output Data (D-packets)
D2119 Dart RTLS User Guide 119
Active Receiver
communication lost
 Description: An active Receiver with a Receiver # <Rx#>, which is configured
to be at location
(x, y, z), has lost normal communication to the Hub. The <battery> field is
always 0, and <timestamp> represents the last time (in UTC format) when the
Hub is still able to communicate with the Receiver.
 Recommended Action: Verify the Receiver is present, powered on, and not
damaged.
 Message Type: The event packet will be sent only once after the Hub lost the
communication with the Receiver.
 Message Format:
Dart: D,Rx#,x,y,z,0,timestamp,DpacketID,‘Error: active Receiver
communication lost’
Active Receiver
communication OK
 Description: An active Receiver with a Receiver # <Rx#>, which is configured
to be at location( x,y,z), has re-established a normal communication to the Hub
after previous loss-of-communication.
The <battery> field is always 0, and <timestamp> represents the UTC time that
the Hub starts to communicate with the Receiver again.
 Recommended Action: None.
 Message Type: The event packet will be sent only once when the Hub re-gains
communication with the Receiver.
 Message Format:
Dart: D,Rx#,x,y,z,0,timestamp,DpacketID,‘Active Receiver communication
OK’
Active Receiver loss of
referencing
 Description: An active Receiver with a Receiver # <Rx#>, which is configured
to be at location( x,y,z), has lost referencing after it recovers from loss- of-
communication because all reference tags are suspended
The <battery> field is always 0, and <timestamp> represents the UTC time that
the receiver recovers from loss-of-communication.
 Recommended Action: Restart the hub firmware.
 Message Type: Sent every minute.
 Message Format:
Dart: D,Rx#,x,y,z,0,timestamp,DpacketID,‘Error: active Receiver loss of
referencing’
Server is alive
 Description: This D-packet message is sent approximately every minute to
indicate the Hub and socket connection is operational. The Dart format of Dart
RTLS server alive diagnostic message now also includes system health status
and total number of currently established data clients (Dart, ISO or Z-SLMF).
 Recommended Action: None.
 Message Type: Sent every minute.
 Message Format:
Dart:
D,Current_Health_State,Latched_Health_State,Outstanding_Error_Types,Outst
anding_Warning_Types,Data_Client_Count,timestamp,DpacketID,‘Server is
alive.’
Hub Failure
 Description: This D-packet message is sent when the system auto recovers
from an unexpected system fault.
 Recommended Action: None.
 Message Type: Sent every minute until system reboot is performed.
 Message Format:
Dart: D,0,0,0,0,0,timestamp,DpacketID,‘Error:Kernel Reboot.’