ABB Relion REC615 - Page 850

Table 750: 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
Protection relay's physical connections 1MRS758755 C
850 REC615 & RER615
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