Aaeon EMB-BT1 Uživatelský manuál stáhnout pdf (Strana 29)

2-21

Chapter 2: Motherboard information

13. Serial port connectors (10-1 pin COM1, COM3~COM6)

These connectors are for serial (COM) ports. Connect the serial port module

cable to this connector, then install the module to a slot opening at the back

of the system chassis.

EMB-BT1 Serial Port Connector

COM3

DCD

TXD

GND

RTS

RI/+12V/+5V

RXD

DTR

DSR

CTS

PIN 1

COM4

DCD

TXD

GND

RTS

RI/+12V/+5V

RXD

DTR

DSR

CTS

PIN 1

COM5

DCD

TXD

GND

RTS

RI/+12V/+5V

RXD

DTR

DSR

CTS

PIN 1

COM6

DCD

TXD

GND

RTS

RI/+12V/+5V

RXD

DTR

DSR

CTS

PIN 1

COM1

DCD

TXD

GND

RTS

RI/+12V/+5V

RXD

DTR

DSR

CTS

Pin Signal Pin Signal

1 DCD (422TXD-/485DATA-) 2 RXD (422RXD+)

3 TXD (422TXD+/485DATA+) 4 DTR (422RXD-)

5 GND 6 DSR

7 RTS 8 CTS

9 RI/+12V/+5V 10 N.C.

NOTE:

• The COM module is purchased separately.

• COM1 also supports RS-232 / RS-422 / RS-485. See the table below and

section 3.3.2SuperIOConguration for details.

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 57 58

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