User's Manual

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BFH
ID
L1
L2
L4
L3
L5
ARE i2
4 Visual signal lamps
To show the operational state or results there are 5 LED at the side of the housing.
L1: twinkles, if the processor works.
L2: twinkles one time after successful instruction
L3: twinkles one time after bad instruction
L4: lit, if the reader receives data’s at the serial data port (Rx)
L5: lit, if the reader sends data’s at the serial data port (Tx)
Figure 6: Visual signal lamps