21 smbus connector – IEI Integration KINO-PV-D4252_D5252 User Manual

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KINO-PV-D5252/D4252 Mini ITX SBC

Page 37

Figure 3-22: Serial Port (COM2) Connector Location

Pin Description Pin Description

1 DCD

2 DSR

3 RXD

4 RTS

5 TXD

6 CTS

7 DTR

8 RI

9 GND

10 N/C

11 TXD485+

12 TXD485#

13 RXD485+

14 RXD485#

Table 3-23: Serial Port (COM2) Connector Pinouts

3.2.21 SMBus Connector

CN Label:

CN4

CN Type:

4-pin wafer (1x4)

CN Location:

See Figure 3-23

CN Pinouts:

See Table 3-24

The SMBus Connector provides a connection to a SMBus (System Management Bus)

device.