IEI Integration KINO-QM670 v1.04 - Manual (Page 48)

KINO-QM670 Mini-ITX SBC
Page 33
3.2.17 Serial Port Connectors (RS-422/485)
CN Label: COM3
CN Type: 4-pin header
CN Location: See
7
Figure 3-18
CN Pinouts: See
7
Table 3-19
These connectors provide RS-422/485 communications.
Figure 3-18: Serial Port Connector (RS-422/485) Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 RXD485# 2 RXD485+
3 TXD485+ 4 TXD485#
Table 3-19: Serial Port Connector (RS-422/485) Pinouts
3.2.18 SMBus Connector
CN Label: CN5
CN Type: 4-pin wafer
CN Location: See Figure 3-19
CN Pinouts: See Table 3-20