Appendix A: Summary of LED Operation
Status Display Operation
The Status Display has three LEDs used to indicate message and device status:
STATUS, green
MESSAGE, yellow
FAULT, red
Figure A-1. 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:
GREEN
(STATUS)
YELLOW
(MESSAGE)
RED
(FAULT)
ON
OFF
Figure A-2. LED Key
FAST BLINK
SLOW BLINK
Appendices
7845i-GSM-012-V0
A-1