1 files changed, 10 insertions, 1 deletions
diff --git a/src/org/traccar/protocol/TzoneProtocolDecoder.java b/src/org/traccar/protocol/TzoneProtocolDecoder.java
index 76903c90c..079ad3126 100644
--- a/src/org/traccar/protocol/TzoneProtocolDecoder.java
+++ b/src/org/traccar/protocol/TzoneProtocolDecoder.java
@@ -203,7 +203,16 @@ public class TzoneProtocolDecoder extends BaseProtocolDecoder {
         if (blockLength >= 13) {
             position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
             position.set("terminalInfo", buf.readUnsignedByte());
-            position.set(Position.PREFIX_IO + 1, buf.readUnsignedShort());
+
+            int status = buf.readUnsignedByte();
+            position.set(Position.PREFIX_OUT + 1, BitUtil.check(status, 0));
+            position.set(Position.PREFIX_OUT + 2, BitUtil.check(status, 1));
+            status = buf.readUnsignedByte();
+            position.set(Position.PREFIX_IN + 1, BitUtil.check(status, 4));
+            if (BitUtil.check(status, 0)) {
+                position.set(Position.KEY_ALARM, Position.ALARM_SOS);
+            }
+
             position.set(Position.KEY_RSSI, buf.readUnsignedByte());
             position.set("gsmStatus", buf.readUnsignedByte());
             position.set(Position.KEY_BATTERY, buf.readUnsignedShort());