IEI Integration IMBA-C2060 v1.03 - Manual (Page 51)

IMBA-C2060 ATX Motherboard
Page 35
This connector provides RS-422 or RS-485 communications.
Figure 3-20: RS-422/485 Connector Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 RXD485# 3 RXD485+
2 RXD485+ 4 RXD485#
Table 3-16: RS-422/485Connector Pinouts
3.2.20 Serial Port Connectors, RS-232
CN Label: COM1, COM2, COM3, COM5
CN Type: 10-pin box header
CN Location: See Figure 3-21
CN Pinouts: See Table 3-17
Each of these connectors provides RS-232 connections.