The 7 segment display on the front of the card shows:

• Horizontal segment only: ibaFOB-D card not initialized

• Numbers 0 to 7: Ident number, ibaFOB-D card is initialized

The decimal point shows how the ibaFOB-D card is configured:

• Always lights up: Internal interrupt master

• Flashing: External interrupt master

• Off: Interrupt slave