ABB RET670 - Making the Optical Connections; Connecting Station Communication Interfaces

en06000190.vsd
Rx
Tx
Sc
Lc
Tx
Rx
Sc
Lc
Cc
IED
External
Equipment
1
3
2
2
IEC06000190 V1 EN
Figure 34: Communication cable installation.
PosNo Description
1 Outer shield
2 Protective earth screw
3 Inner shield
Inner shielding of the cable shall be earthed at the external
equipment end only. At the IED terminal end, the inner shield must
be isolated from protective
earth.
5.5 Making the optical connections
5.5.1
Connecting station communication interfaces
The IED can be equipped with an optical ethernet module (OEM), see figure
22,
needed for IEC 61850 communication and a serial communication module (SLM),
see figure
22 for LON, SPA or IEC 60870–5–103 communication. In such cases
optical ports are provided on the rear side of the case for connection of the optical
fibers. For location of OEM and SLM, refer to section
"Rear side connectors".
1MRK 504 088-UEN C Section 5
Installing the IED
63
Installation and commissioning manual