diff --git a/source/_integrations/edl21.markdown b/source/_integrations/edl21.markdown
index 9808e8b6c009..b00a3604e410 100644
--- a/source/_integrations/edl21.markdown
+++ b/source/_integrations/edl21.markdown
@@ -54,3 +54,17 @@ To use this integration with a remote transceiver you could use [ser2net](https:
 Example `ser2net.conf` configuration file:
 
 > 2001:raw:0:/dev/ttyUSB0:9600 8DATABITS NONE 1STOPBIT
+
+Example `ser2net.yaml` (`ser2net` version 4.3.3) configuration entry:
+
+```yaml
+connection: &con2001
+  enable: on
+  accepter: tcp,2001
+  options:
+    telnet-brk-on-sync: false
+    kickolduser: true
+  connector: serialdev,/dev/ttyUSB0,9600n81,local
+```
+
+Use `socket://<ip-of-host>:2001` when adding the Smart Meter and asked for a "USB device path".