Instruction Manual

AT8901M Hardware Description
Page 3 - 14 AT8901M User Guide
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.
Table 3-13: J31 Pin Assignment
PIN ROW A ROW B ROW C ROW D ROW E ROW F ROW G ROW H
1 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
2 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
3 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
4 N.C. N.C. N.C. N.C.N.C. N.C. N.C. N.C. N.C.
5 AMC_B1_
P13_TX+
AMC_B1_
P13_TX-
AMC_B1_
P13_RX+
AMC_B1_
P13_RX-
AMC_B1_
P14_TX+
AMC_B1_
P14_TX-
AMC_B1_
P14_RX+
AMC_B1_
P14_RX-
6 AMC_B1_
P15_TX+
AMC_B1_
P15_TX-
AMC_B1_
P15_RX+
AMC_B1_
P15_RX-
N.C. N.C. N.C. N.C.
7 AMC_B1_
P17_TX+
AMC_B1_
P17_TX-
AMC_B1_
P17_RX+
AMC_B1_
P17_RX-
AMC_B1_
P18_TX+
AMC_B1_
P18_TX-
AMC_B1_
P18_RX+
AMC_B1_
P18_RX-
8 AMC_B1_
P19_TX+
AMC_B1_
P19_TX-
AMC_B1_
P19_RX+
AMC_B1_
P 19_RX-
AMC_B1_
P20_TX+
AMC_B1_
P20_TX-
AMC_B1_
P20_RX+
AMC_B1_
P20_RX-
9 AMC_B2_
P 17_TX+
AMC_B2_
P17_TX-
AMC_B2_
P17_RX+
AMC_B2_
P17_RX-
AMC_B2_
P18_TX+
AMC_B2_
P18_TX-
AMC_B2_
P18_RX+
AMC_B2_
P18_RX-
10 AMC_B2_
P19_TX+
AMC_B2_
P19_TX-
AMC_B2_
P19_RX+
AMC_B2_
P19_RX-
AMC_B2_
P20_TX+
AMC_B2_
P20_TX-
AMC_B2_
P20_RX+
AMC_B2_
P20_RX-