International Electrotechnical Commission <br/><br/>
IEC: 62056-46-2002(Amendment 1 - 2006-12); Electricity metering - data exchange for meter reading, tariff and load control - Part 46; Data link layer using HDLC protocol 

 - Geneva  IEC  2002 
 - 8+4 
<br/><br/> taken print out from CD 
<br/><br/><label>Universal Decimal Class. No.: </label> /