diff --git a/src/org/hwo/io/servicelink/ServiceLink.java b/src/org/hwo/io/servicelink/ServiceLink.java
index bb51b07..8047c20 100644
--- a/src/org/hwo/io/servicelink/ServiceLink.java
+++ b/src/org/hwo/io/servicelink/ServiceLink.java
@@ -119,6 +119,8 @@ public class ServiceLink {
 				if (chksum != ChkSum.chksum(rxbuffer, 0, bb.position() - 2))
 					throw new ServiceLinkException();
 				
+				System.err.println(String.format("recv(): %d.%d:%d = 0x%08x",achse,knoten,bb.getShort(3),bb.getInt(5)));
+				
 			} catch (IOException e) {
 				getSerialPort().close();
 
@@ -414,7 +416,7 @@ public class ServiceLink {
 	{
 		this.retries = 3;
 		this.serialPort = serialPort;
-		this.serialPort.setTimeout(100);
+		this.serialPort.setTimeout(250);
 		
 	}