ABB Relion 620 Series - Page 1178

COM0011
RJ-45+RS-485
+IRIG-B
COM0012
LC+RS-485+
IRIG-B
COM0013
RJ-45+RS-485
+IRIG-B+ARC
COM0014
LC+RS-485+
IRIG-B+ARC
COM0023
RJ-45+RS-232/485+
RS-485+ST+
IRIG-B
Figure 629: Communication module options
COM0031
3xRJ-45
COM0032
2xLC+RJ-45+
ST+ARC
COM0033
3xRJ-45+
ST+ARC
COM0034
LC+2xRJ-45+
ST+ARC
COM0037
2xLC+RJ-45
Figure 630: Communication module options
IED physical connections
1MRS757644 H
1178 620 series
Technical Manual