142 E1070 Service Manual
7 Mainboard Network LED Diagnostics
7 Mainboard Network LED Diagnostics
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.
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 100MBS 10MBS