Figure 115 : Usb To Rs-232 Converter Pcb - AVE VSI-Pro Max Operation Manual

USB to RS-232 Converter
JP3
JP2
P1
JP5
JP4
JP8 JP6
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
JP8 2-3
RS232 Configuration
Jumper Setting
RXD (JP3)
TXD (JP2)
CTS (JP5)
RTS (JP4)
Jumper Default Setting
JP8
RXD (JP3)
TXD (JP2)
CTS (JP5)
RTS (JP4)
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
9-12 VDC
JP7
RS485
RS485 A(+) B(-)
1-2
(2-3)
PIN 2
PIN 2
PIN 7
PIN 7
1-2
2-3
1-2
None
1-2
DC Jack
JP1 USB
A
B
(1-2)
PIN 3
PIN 3
PIN 8
PIN 8
Select RS485
Connect to DB9 PIN 2
Connect to DB9 PIN 3
Not connected
Connect to DB9 PIN 7
66
APPENDIX F
Figure 116: USB232