22.2.12.2 Design
M17126-3 v5
The SLM is a PMC card and it is factory mounted as a mezzanine card on the NUM module. Three
variants of the SLM are available with different combinations of optical fiber connectors, see
figure 660. The plastic fiber connectors are of snap-in type and the glass fiber connectors are of
ST type.
1
2
3
4
IEC0500760=1=en=Original.psd
IEC05000760 V2 EN-US
Figure 660: The SLM variants, component side view
1 Receiver, LON
2 Transmitter, LON
3 Receiver, SPA/IEC 60870-5-103/DNP3
4 Transmitter, SPA/IEC 60870-5-103/DNP3
A Snap in connector for plastic fiber
B ST connector for glass fiber
Observe that when the SLM connectors are viewed from the rear side of the IED,
contact 4 above is in the uppermost position and contact 1 in the lowest position.
Section 22 1MRK 502 066-UUS B
IED hardware
1320
Technical manual
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