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AT8902M
Hardware Description
Page 3 - 24
AT8902M User Guide
Fabric Interface Uplink
The mezzanine supports four fabric interface uplinks to the front panel of the Hub Board. The
switch is connected to the RJ45 connector with integrated status LEDs on the front panel via a
quad PHY and two 10/100/1000BASE-T dual magnetics. GbE channel 0/1 to 0/4 of the switch
maps to uplink channel 1 to 4.
The standard RJ45 connector has the following pin assignment:
Table 3-22: Fabric Uplink (J40/J41) LEDs Signification
Table 3-21: Fabric Uplink (J40/J41) 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
8
Yellow
Green
1
1
8
Summary of Contents for AT8902M
Page 14: ...AT8902M Introduction Page 1 1 AT8902M User Guide Introduction Chapter 1...
Page 28: ...Installation Chapter 2 Page 2 1 AT8902M User Guide AT8902M Installation...
Page 34: ...Hardware Description Chapter 3 Page 3 1 AT8902M User Guide AT8902M Hardware Description...
Page 66: ...Software Description Page 4 1 AT8902M User Guide AT8902M Software Description Chapter 4...
Page 88: ...AT8902M Getting Help Page A 1 AT8902M User Guide Getting Help Appendix A...