E7-Bx-x-x, E7-Tx-x-xM, E7P-Bx-x, E7P-Tx-x,
(xxstands for the length of the cable, ranging from 0 m to 550m;The
connection modes are ta, TD, tk, ba, TD and bk. Number of male and female
cores: S2~S6;P2~P6 ; Example: E7-TA-S2-1M
IEC 62321-1:2013 IEC 62321-3-1:2013
IEC 62321-4:2013/AMD1:2017 IEC 62321-5:2013
IEC 62321:6-2015 IEC 62321-7-1:2015
IEC 62321-7-2:2017 IEC 62321-8:2017