18 smbus connector, Table 3-20: db-9 rs-422/485 pinouts – IEI Integration KINO-QM670 v2.01 User Manual

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KINO-QM670 Mini-ITX SBC

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Figure 3-18: Serial Port Connector (RS-422/485) Location

Pin Description

1 RXD422-

2 RXD422+

3 TXD422+/TXD485+

4 TXD422-/TXD485-

Table 3-19: Serial Port Connector (RS-422/485) 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 3-20: DB-9 RS-422/485 Pinouts

3.2.18 SMBus Connector

CN Label:

CN5

CN Type:

4-pin wafer