Advantech PCM-3353 Manual de usuario descargar pdf (Pagina 18)

PCM-3353 User Manual 10

2.10 Power Connectors (CN38)

2.10.1 Main Power Connector, +5 V, +12 V (CN38)

Supplies main power +5 V to the PCM-3353, and to devices that require +12 V.

2.10.2 Power Reset Button

Momentarily pressing the reset button will activate a reset. The switch should be

rated for 10 mA, 5 V.

2.11 Audio Interfaces (CN34/35)

2.11.1 Audio Connector Audio-out(CN35), Audio-in(CN34)

The board provides all major audio signals on a 8-pin cable connector, These audio

signals include Microphone in (mono), Line in (stereo) and Line out (stereo).

2.12 COM Port Connector (CN20,CN30)

The board provides four serial ports: Four serial RS-232 ports in one 40 pin connec-

tor (CN30: COM1/2/3/4). It provides connections for serial devices or a communica-

tion network. You can find the pin assignments for the COM port connector in

Appendix C.

2.12.1 Serial Port RS-422/485 (CN20)

Serial port can be configured to operate in RS-422 and RS-485 mode. RS-422 and

RS-485 in one pinheader (CN20) and can be configured via CN39 connector.

2.13 VGA/LCD Interface Connections

The board’s PCI SVGA interface can drive conventional CRT displays and is capable

of driving a wide range of flat panel displays.

2.13.1 CRT Display Connector (CN27)

The CRT display connector is a 15-pin D-SUB connector used for conventional CRT

displays.

2.13.2 TTL TFT LCD Connector (CN4)

For PCM-3353 series, CN4 consists of a 40-pin connector which can support up to

24-bit LCD panel. It is Hirose’s product no. DF13A-40DP-1.25 V

Table 2.3: Serial Port RS-422/485 (CN39)

Setting Function

1-2 (default) RS-232

3-4 RS-485

5-6 RS-422

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 69 70

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Advantech PCM-3353 Manual de usuario Pagina 18