How to check what the electricity meter actually writes on the HAN port?

Starting with firmware version 1.6.2, you can connect with telnet to the device (port 23) and read exactly what data the electricity meter writes on the HAN port.
host is either the device’s IP address, e.g. 10.0.1.122 or its hostname e.g.currentlyone_3c690779cf58.local

Connect from a Mac

Use e.g. Telnet Lite

Connect from a Linux computer

apt-get update 
apt-get install telnet
telnet currentlyone_DEVICEID.local

Connect from a Windows computer

PuTTY is a classic!

Expected data received

/LGF5E360                        
                                 
0-0:1.0.0(240612203340W)         
1-0:1.8.0(00016059.809*kWh)      
1-0:2.8.0(00000000.000*kWh)      
1-0:3.8.0(00004787.515*kVArh)    
1-0:4.8.0(00002893.999*kVArh)    
1-0:1.7.0(0000.578*kW)              
1-0:2.7.0(0000.000*kW)              
1-0:3.7.0(0000.000*kVAr)            
1-0:4.7.0(0000.285*kVAr)            
1-0:21.7.0(0000.142*kW)             
1-0:22.7.0(0000.000*kW)             
1-0:41.7.0(0000.331*kW)             
1-0:42.7.0(0000.000*kW)             
1-0:61.7.0(0000.103*kW)             
1-0:62.7.0(0000.000*kW)             
1-0:23.7.0(0000.000*kVAr)           
1-0:24.7.0(0000.200*kVAr)           
1-0:43.7.0(0000.000*kVAr)           
1-0:44.7.0(0000.134*kVAr)           
1-0:63.7.0(0000.049*kVAr)           
1-0:64.7.0(0000.000*kVAr)           
1-0:32.7.0(230.3*V)                 
1-0:52.7.0(230.1*V)                 
1-0:72.7.0(232.6*V)                 
1-0:31.7.0(001.0*A)                 
1-0:51.7.0(001.5*A)                 
1-0:71.7.0(000.4*A)                 
!1F2F