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Model E1070 Indicator Service Manual
The network LEDs shown in the photo below are found next to the RJ45
Ethernet connector on the main PC board. Below the photo is a table
showing what each LED’s condition means.
Appendix B: Mainboard Network LED Diagnostics
ON OFF
LED 1 LINK ON-LINE OFF-LINE
LED 2 TX TRANSMITT ACTIVE TRANSMITT NOT ACTIVE
LED 3 RX RECEIVE ACTIVE RECEIVE NOT ACTIVE
LED 4 SPEED 100M 10M
LED #4
LED #3
LED #2
LED #1
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