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AT8901
Table 3-13: J31 Pin Assignment
PIN ROW A
ROW B
1
N.C.
N.C.
2
N.C.
N.C.
3
N.C.
N.C.
4
N.C.
N.C.
5
AMC_B1_
AMC_B1_
P13_TX-
P13_TX+
6
AMC_B1_
AMC_B1_
P15_TX-
P15_TX+
7
AMC_B1_
AMC_B1_
P17_TX+
P17_TX-
8
AMC_B1_
AMC_B1_
P19_TX+
P19_TX-
9
AMC_B2_
AMC_B2_
P 17_TX+
P17_TX-
10
AMC_B2_
AMC_B2_
P19_TX+
P19_TX-
Additional interfaces are implemented for communication to a PLD, JTAG connectivity and pro-
duction purposes.
3.7
Power Supply
The power supply fulfills the PICMG 3.0 requirements and has the following characteristics:
• Full operation at -38VDC to -72VDC
• No damage inflicted to board at 0VDC to -75VDC
• Typical payload power consumption (no RTM, no AMCs): 45W
• Maximum payload power consumption (no RTM, no AMCs): 65W
• Management power consumption (suspend power): 7W
• Additional AMC payload power consumption: 75W
3.7.1
Power Connector
The power connector supplies the board with two 48V redundant rails, digital ground and chas-
sis ground. It also provides the redundant IPMB Shelf Manager connection.
ROW C
ROW D
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.N.C.
AMC_B1_
AMC_B1_
P13_RX+
P13_RX-
AMC_B1_
AMC_B1_
P15_RX+
P15_RX-
AMC_B1_
AMC_B1_
P17_RX+
P17_RX-
AMC_B1_
AMC_B1_
P19_RX+
P 19_RX-
AMC_B2_
AMC_B2_
P17_RX+
P17_RX-
AMC_B2_
AMC_B2_
P19_RX+
P19_RX-
Page 3 - 14
Hardware Description
ROW E
ROW F
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
AMC_B1_
AMC_B1_
P14_TX+
P14_TX-
AMC_B1_
AMC_B1_
P16_TX+
P16_TX-
AMC_B1_
AMC_B1_
P18_TX+
P18_TX-
AMC_B1_
AMC_B1_
P20_TX+
P20_TX-
AMC_B2_
AMC_B2_
P18_TX+
P18_TX-
AMC_B2_
AMC_B2_
P20_TX+
P20_TX-
ROW G
ROW H
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
AMC_B1_
AMC_B1_
P14_RX+
P14_RX-
AMC_B1_
AMC_B1_
P16_RX+
P16_RX-
AMC_B1_
AMC_B1_
P18_RX+
P18_RX-
AMC_B1_
AMC_B1_
P20_RX+
P20_RX-
AMC_B2_
AMC_B2_
P18_RX+
P18_RX-
AMC_B2_
AMC_B2_
P20_RX+
P20_RX-
AT8901 User Guide
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