2 files changed, 12 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java b/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java
index 978d768be..9521a1248 100644
--- a/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java
@@ -513,6 +513,14 @@ public class SuntechProtocolDecoder extends BaseProtocolDecoder {
             position.setValid(values[index++].equals("1"));
         }
 
+        if (BitUtil.check(mask, 17)) {
+            position.set(Position.KEY_INPUT, Integer.parseInt(values[index++]));
+        }
+
+        if (BitUtil.check(mask, 18)) {
+            position.set(Position.KEY_OUTPUT, Integer.parseInt(values[index++]));
+        }
+
         return position;
     }
 
diff --git a/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java
index 692a13131..30c28228c 100644
--- a/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java
@@ -67,6 +67,10 @@ public class SuntechProtocolDecoderTest extends ProtocolTest {
 
         SuntechProtocolDecoder decoder = new SuntechProtocolDecoder(null);
 
+        verifyAttribute(decoder, buffer(
+                "STT;0560001616;BFFFFF;56;1.0.15;1;20200219;20:52:25;00008D6C;334;20;0925;24;+20.741764;-103.430364;0.00;0.00;19;1;00000001;00000000;2;1;1765;00008003;0.0;12.14;136598"),
+                Position.KEY_INPUT, 1);
+
         verifyAttribute(decoder, binary(
                 "82004d05800000553fffff360100100114020410293902ccccf102dc007b00053c00476fa18469e87f000000000b0100003b00081d00000113f3f8010000049e00000000000000001d00000113f3f801"),
                 Position.KEY_DRIVER_UNIQUE_ID, "1d00000113f3f801");