
IMB-Q670 Micro-ATX Motherboard
Page 32
Figure 3-16: Serial Port Connector Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 RXD422- 2 RXD422+
3 TXD422+/TXD485+ 4 TXD422-/TXD485-
Table 3-16: Serial Port Connector Pinouts
3.2.16 Serial Port Connectors, RS-232
CN Label: COM2_3_5_6, COM7-10
CN Type:
40-pin box header (2x20)
CN Location:
See Figure 3-17
CN Pinouts:
See Table 3-17
Each of these connectors provides RS-232 connections.
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