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At8901m hardware description – Kontron AT8901M User Manual

Page 37

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AT8901M

Hardware Description

Page 3 - 7

AT8901M User Guide

Base Interface Uplink

The Hub Board supports four base interface uplinks to the front panel. The switch is connected
to the RJ45 connectors with integrated status LEDs on the front panel via a 10/100/1000BASE-
T quad PHY and two 10/100/1000BASE-T dual magnetics. GbE channels 0/1 to 0/4 of the
switch map to uplink channels 1 to 4.

Table 3-8: Base Uplink (J39/J38) LEDs Signification

Table 3-7: Base Uplink (J39/J38) Pin Assignment

Signal

Pin

DB+

1

DB-

2

DA+

3

DD+

4

DD-

5

DA-

6

DC+

7

DC-

8

Speed LED (yellow)

OFF

10BASE-T

BLINK

100BASE-TX

ON

1000BASE-T

Status LED (green)

OFF

Link Down

ON

Link Up and no activity

BLINK

Link Up and activity

Yellow

Green

Yellow

Green

1

8

1

1

8