Acrosser AMB-D255T1 Manual do Utilizador descarregar pdf (Página 12)

12

[18] Serial Port 2 Header（5*2 Pin 2.0 mm）

Pin Definition Pin Definition

1 JC2* 2 RXD

3 TXD 4 DTR

5 GND 6 DSR

7 RTS 8 CTS

J_COM2

9 RI

[19] Serial Port 2 Control Header（3*1 Pin 2.0 mm）

Settings Function

1-2 PIN1 Output :5V

JC2

2-3 PIN1 Output :DCD (Default)

[20] Serial Port 3 Header（5*2 Pin 2.0 mm）

Pin Definition Pin Definition

1 JC3_P* 2 JC3_TTL1*(RXD)

3 JC3_TTL2*(TXD) 4 DTR

5 GND 6 DSR

7 RTS 8 CTS

J_COM3

9 N/C or JC3_P*

*Attention: The Pin9 output default value is ‘NC’

，

but it also can output 5V or 12V by

changing the hardware

（

please refer to JC_P

）。

[21] Serial Port 3 Control Header（4*1 Pin 2.54mm）

Header Settings Working Mode

JC3_TTL1

1-2、3-4

JC3_TTL2

1-2、3-4

RS-232（Default）

JC3_TTL1

2-3

JC3_TTL1

JC3_TTL2

JC3_TTL2

2-3

TTL

Settings Function

1-2

PIN1、9 Output :5V

2-3

PIN1、9 Output :12V

JC3_P

3-4

PIN1、9 NC（Default）

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 37 38

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