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Appendix A: Summary of LED Operation
Status Display Operation
The 7847i-E Status Display has three LEDs used to indicate message and device status:
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STATUS, green
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MESSAGE, yellow
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FAULT, red
Figure 11. 7847i-E Status Display LEDs with Front Cover Installed
Each LED can have four different states - ON, OFF, FAST BLINK and SLOW BLINK.
Throughout this document, the following key is used to describe LED state:
Figure 12. LED Key
Appendices
A-1