ABB MR Series Startup Procedure page 15

MR200: The DSP board occupies three ISA slots in the host computer. Two connectors are available. On is
used for the connection of the fibre optic data cable. The other (DB-25) is an unused RS232 port. This
port could be used to receive RS232 signals coming from an IRIG-B time code converter. The board is
displayed on the next two figures.
Start-Up Procedure 9