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Interfaces /
Protocols
Ethernet
Serial
100BASE-TX
RJ-45
100BASE-FX LC
EIA-232/EIA-485 Fibre-optic ST
IEC 60870-5-104
●
●
-
-
●
= Supported
13.4.7
Rear communication modules
COM0001
RJ-45
COM0002
LC
COM0022
RJ-45+
RS232/485+
IRIG-B
COM0031
3xRJ-45
COM0032
2xLC+RJ-45+
ST+ARC
COM0023
RJ-45+
RS232/485+
RS485+ST+
IRIG-B
COM0037
2xLC+RJ-45
Figure 452: Communication module options
Table 734: Station bus communication interfaces included in communication mod-
ules
Module ID
RJ-45
LC
EIA-485/
EIA-232
EIA-485
ST
COM0001
1
-
-
-
-
COM0002
-
1
-
-
-
COM0022
1
-
1
-
-
COM0023
1
-
1
1
1
Table continues on the next page
1MRS758755 C
Protection relay's physical connections
REC615 & RER615
Technical Manual
839