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Serial communication modules (SCM)
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The serial communication module for SPA/IEC is placed in a slot at the rear part of the
main processing module. The serial communication module can have connectors for
two plastic fibre cables or two glass fibre cables. The incoming optical fibre is connect-
ed to the RX receiver input and the outgoing optical fibre to the TX transmitter output.
Pay special attention to the instructions concerning the handling, connection, etc. of the
optical fibres.
/21
The serial communication module for LON is placed in a slot at the rear part of the Main
processing module. The serial communication module can have connectors for two
plastic fibre cables or two glass fibre cables. The incoming optical fibre is connected to
the RX receiver input and the outgoing optical fibre to the TX transmitter output. Pay
special attention to the instructions concerning the handling, connection, etc. of the op-
tical fibres.
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