Advantech PCM-4380F-M0A2E, User Manual

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PCM-4380 User Manual 16
2.11 Power connectors (CN1)
2.11.1 Main power connector, +3.3V, +5 V, +12 V (CN1)
Supplies main power to the PCM-4380 (+5 V), and to devices that require
+12 V.
2.11.2 System FAN (CN5)
2.12 Audio interfaces (CN31)
2.12.1 Audio connector (CN31)
The board provides all major audio signals and it can be optional with
Line-in/Line-out/Speaker-out function by PCM-410A-00A1E.
2.13 COM port connector (CN21,CN30)
The PCM-4380 provides 4 serial ports (COM1/3/4: RS-232; COM2: RS-
232/422/485) in one DB-9 connector (COM1) and one 50-pin dual-inline,
male header. It provides connections for serial devices (a mouse, etc.) or a
communication network. You can find the pin assignments for the COM
port connector in Appendix C.
2.13.1 COM2 RS-232/422/485 setting (J3)
COM2 can be configured to operate in RS-232, RS-422, or RS-485 mode.
This is done via J3.
Table 2.8: J3: COM2 RS-232/422/485 select
Setting Function
J3 (1-2)(open) RS-232
J3 (1-2)(open) RS-422
J3 (1-2)(open) RS-485