USB to RS-232 Converter

APPENDIX F

DC Jack

9-12 VDC

JP3

JP2

P1JP5

JP4

JP1

JP7

USB

A

B

JP8 JP6

 

RS485

Figure 116: USB232

Figure 115: USB to RS-232 Converter PCB

JP1 - USB type B Connector.

JP7 - RS485 Connector.

P1 - RS232 Connector (DB9 Male).

JP6 - RS485 load resister jumper (120 Ohm).

Configuration Settings

RXD

RS232

RS485 A(+) B(-)

 

JP8

2-3

1-2

 

RS232 Configuration

 

Jumper Setting

(2-3)

(1-2)

RXD (JP3)

PIN 2

PIN 3

TXD (JP2)

PIN 2

PIN 3

CTS (JP5)

PIN 7

PIN 8

RTS (JP4)

PIN 7

PIN 8

Jumper Default Setting

 

JP8

 

1-2

Select RS485

RXD (JP3)

2-3

Connect to DB9 PIN 2

TXD (JP2)

1-2

Connect to DB9 PIN 3

CTS (JP5)

None

Not connected

RTS (JP4)

1-2

Connect to DB9 PIN 7

Baud Rate

This device can scan terminal baudrate and set device Baud rate as same as terminal.

Compatible Baud rate (Bit per second)

300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200

Power

This device can use power from USB bus or power from DC adaptor 9-12 VDC

See users guide for Software Installation and compatibility

VSI-Pro Max POS / Cash Register Interface

66

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AVE VSI-Pro Max operation manual USB to RS-232 Converter, Appendix F