Power-Up Led Test - AT&T StarLAN 10 Network Installation Manual

Power-Up LED Test
Once the Hub is mounted, you should verify that its LEDs are
functioning properly by using the procedure in this section. Figure
15 illustrates all of the LEDs on the Hub.
FIGURE 15 Hub LEOs
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Traffic LEO
Collision LEO
link/Jab LEOs
AUI Jab LEO
Hub Placement 41