DIN EN 62439-7 Berichtigung 1-2016 工业通信网络. 高可用性自动化网络. 第7部分: 环路冗余协议 (RRP) (IEC 62439-7-2011); 英文版本EN 62439-7-2012, DIN EN 62439-7-2012-08的勘误表; (IEC-IEC 62439-7-2011的勘误表-2014)
Industrial communication networks - High availability automation networks - Part 7: Ring-based Redundancy Protocol (RRP) (IEC 62439-7:2011); English version EN 62439-7:2012, Corrigendum to DIN EN 62439-7:2012-08; (IEC-Cor.:2015 to IEC 62439-7:2011)