User manual

49 SNMP-1000-B2 User Manual
Appendix A Connector Pin Assignments
A.5 System SMBus Connector (CN3)
A.6 Temperature Sensor Connectors (CN4 and CN7)
A.7 RS-232 Connector (CN8)
Pin Signal
1 B_SCLK (I2C bus clock)
2 B_SDAT (I2C bus data)
Pin Signal
1 +5 V
2 T_SCLK
3 G T_SDAT
4 GND
Pin Signal Pin Signal
1DCD2RX
3TX4D
TR
5 GND 6D SR
7RTS8CTS
9RI10NC
11 N C 1 2 N A