At8902m hardware description – Kontron AT8902M User Manual
Page 40
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AT8902M
Hardware Description
Page 3 - 7
AT8902M 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
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