2
5
2
Appendix A LED Status Indicators
25
A.2
Interface Board LEDs
The 28 red LEDs on the interface board report the current state of selected pins of the 80-
pin connector. A LED lights when the electrical level at the corresponding pin is high.
The following table indicates which pin of the 80-pin connector corresponds to each of
the LEDs. Refer to section 2.3 for a description of all pins.
pin#61
pin#62
pin#63
pin#66
pin#65
pin#64
pin#34
pin#56
pin#49
pin#51
pin#53
pin#55
pin#59
pin#60
pin#39
pin#42
pin#43
pin#44
pin#50
Pin#52
pin#54
pin#35
pin#38
pin#9
pin#11
pin#69
pin#10
pin#71