Skip to main content
Home
for DLMS smart meters
Open source solutions for DLMS smart metering

Main navigation

  • Home
  • Products
  • About us
  • Open Source
  • Community
  • Forum
  • Downloads
User account menu
  • Log in

Breadcrumb

  1. Home
  2. HAN Interface of Meter

HAN Interface of meter

By Adetutu22 , 30 December, 2025
Forums
DLMSDirector

Hello,

I am working with a smart energy meter using Gurux.

I successfully connected to the meter using the optical interface (IEC 62056-21) and was able to:

Read meter data Zpa am165

Read the meter name/identification

I then tried to connect using the Ethernet (HAN) port with:

Laptop → USB-to-Ethernet adapter

Direct Ethernet cable to the meter

No router in between

The Ethernet link does not come up (Windows shows network cable unplugged,)

Profile picture for user Kurumi

Kurumi

6 months 4 weeks ago

Hi, IEC 62056-21 is not DLMS…

Hi,

IEC 62056-21 is not DLMS. https://gurux.fi/DLMSCOSEMFAQ

Check first is the HAN Ethernet port. It's usually the serial port.

BR,
Mikko

  • Create new account
  • Reset your password

Hire Us!

Latest Releases

  • Thu, 07/23/2026 - 16:19
    gurux.dlms.java 4.0.96
  • Thu, 07/09/2026 - 14:34
    Gurux.DLMS.Python 1.0.201
  • Fri, 06/26/2026 - 16:32
    Gurux.Service 3.0.2606.2601
  • Wed, 06/24/2026 - 08:36
    Gurux.DLMS.Python 1.0.200
  • Mon, 06/15/2026 - 08:52
    gurux.dlms.c 9.0.2606.1501

New forum topics

  • Service not known error on gprs communication
  • Service not known error on gprs communication
  • Help Needed: Interfacing Saral 100 Energy Meter with Microcontroller via RS232
  • Connecting Meter to Agent via serial
  • Reading block profile with Compact array
More
RSS feed
Privacy FAQ GXDN Issues Contact
Follow Gurux on Twitter Follow Gurux on Linkedin