Published: April 27, 2006
High density digital breakout board jumpers are reversed
When the SNAP-IDC-HDB breakout rack is used with the SNAP-HD-BF6 cable to connect to the SNAP-IDC-32 module, all input channel LEDs are turned on, even though field signals are not present.
When the SNAP-ODC-HDB breakout rack is used with the same cable and a SNAP-ODC-32-SRC or SNAP-ODC-32-SNK module, the corresponding output point LEDs do not turn on when a point is turned on.
If you are having the above symptoms, jumper the board according to the following:
SNAP-IDC-HDB: Install the JPA, JPB, JPC, and JPD jumpers as shown:
SNAP-ODC-HDB: Install the jumpers as shown below:
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