Iei-integration IMBA-Q870-i2 Manual de usuario Pagina 59

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IMBA-Q870-i2 ATX Motherboard
Page 41
Figure 3-23: RS-422/485 Connector Location
PIN NO. DESCRIPTION
1 RXD422-
2 RXD422+
3 TXD422+/TXD485+
4 TXD422-/TXD485-
Table 3-22: RS-422/485 Connector Pinouts
Use the optional RS-422/485 cable to connect to a serial device. The pinouts of the DB-9
connector are listed below.
RS-422 Pinouts RS-485 Pinouts
Table 3-23: DB-9 RS-422/485 Pinouts
3.2.23 SMBus Connector
CN Label: CN1
CN Type:
4-pin wafer
CN Location:
See Figure 3-24
CN Pinouts:
See Table 3-24
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