Owner's manual

PICOe-PV-D4251/N4551/D5251 User Manual
Page 27
Pin Description
5 RX-
6 RX+
7 GND
Table 3-14: SATA Drive Connector Pinouts
3.2.13 Serial Port Connectors (COM 1, COM 2 and COM 4)
CN Label: COM1, COM2 and COM4
CN Type:
10-pin header (2x5)
CN Location:
See
6Figure 3-15
CN Pinouts:
See
6Table 3-15
The 10-pin serial port connectors provide three RS-232 serial communications channels.
The COM serial port connectors can be connected to external RS-232 serial port devices.
Figure 3-15: COM Connector Pinout Locations
Pin Description Pin Description
1 DCD# 2 DSR#
3 RXD# 4 RTS#
5 TXD# 6 CTS#
7 DTR# 8 RI#