Advantech UNO-247 Series, Руководство пользователя

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UNO-247 User Manual 10
2.3 Connector
2.3.1 External I/O Connectors
Figure 2.2 UNO-247 Front View
Figure 2.3 UNO-247 Rear View
2.3.1.1 COM connectors
UNO-247 provides six 9-pin D-sub connectors, four of which offer RS-232 and the
other two offer RS-485 serial communication interface ports.
Figure 2.4 COM Connector
Table 2.3: COM1~6 Connector Pin Assignments
Pin RS-232 RS-485
1 DCD D-
2 RX D+
3 TX -
4 DTR -
5 GND GND
6 DSR -
7 RTS -
8 CTS -
9 RI -