
IMBA-C2160 ATX Motherboard
Page 39
Figure 3-23: RS-422/485 Connector Location
Pin Description Pin Description
1 RXD422- 3 TXD422+/TXD485+
2 RXD422+ 4 TXD422-/TXD485-
Table 3-18: 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 3-19: DB-9 RS-422/485 Pinouts
3.2.23 Serial Port Connectors, RS-232
CN Label: COM2, COM3, COM5, COM6
CN Type:
10-pin box header
CN Location:
See Figure 3-24
CN Pinouts:
See Table 3-20
Each of these connectors provides RS-232 connections.
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