Motorola CPX8216TCPX8216T User Manual

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Transition/Bridge Modules
5
SM Bus and LM78 Header (J1)
Table 5-24. SM Bus and LM78 Header (J1)Pin 
Assignments 
Pin
Signal 
Mnemonic
Signal 
Description
Pin
Signal 
Mnemonic
Signal 
Description
1
OPEN-
Chassis 
intrusion 
signal
2
GND
Ground
3
GND
Ground
4
SMBALERT-
SM bus 
interrupt 
signal
5
GND
Ground
6
SMBDATA
SM bus data 
strobe signal
7
VCC
SM  bus 
power
8
SMBCLK
SM bus 
clock signal
9
BYPASS
Power 
switch 
bypass signal
10
VCC
SM bus 
power
11
BT1-
Board 
temperature 
interrupt 
signal
12
GND
Ground