UNE-EN 61334-4-61:1998 DISTRIBUTION AUTOMATION USING DISTRIBUTION LINE CARRIER SYSTEMS. PART 4-61: DATA COMMUNICATION PROTOCOLS. NETWORK LAYER. CONNECTIONLESS PROTOCOL (Endorsed by AENOR in February of 1999.)
1999UNE-EN 61334-4-61:1998 DISTRIBUTION AUTOMATION USING DISTRIBUTION LINE CARRIER SYSTEMS. PART 4-61: DATA COMMUNICATION PROTOCOLS. NETWORK LAYER. CONNECTIONLESS PROTOCOL (Endorsed by AENOR in February of 1999.)