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DB-37 Manual > Connectors And Indicators > Opto I/O

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db-37_opto_io

Figure 6: DB-37 V1.3 OPTO I/O section

db-37_opto_io_V31

Figure 7: DB-37 V3.1 OPTO I/O section

note

The Opto_Outs are active low. The Opto_Ins are active high.