Power Connectors (Cn1); Main Power Connector, +3.3V, +5 V, +12 V (Cn1); System Fan (Cn5); Audio Interfaces (Cn31) - Advantech PCM-4380F-M0A2E User Manual

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
J3 (1-2)(open)
J3 (1-2)(open)
J3 (1-2)(open)
PCM-4380 User Manual
Function
RS-232
RS-422
RS-485
16