ABB RELION Series - Page 785

X15 X24
3
2
1
3
2
1
GUID-CA481BBF-C1C9-451D-BC18-19EC49B8A3A3 V2 EN
Figure 419: Jumper connections on communication module COM0032
Table 730: X9 Optical ST jumper connectors
Group
Jumper connection Description
X15 1-2
2-3
Star topology
Loop topology
X24 1-2
2-3
Idle state = Light on
Idle state = Light off
1MRS758755 A Section 13
Protection relay's physical connections
REC615 and RER615 779
Technical Manual