VSCOM USB-COM PRO User Manual

1 VSCOM USB PRO Series Industrial I/O Adapters 1.Introduction The VSCOM USB PRO Series Industrial I/O Adapters are advanced USB to Serial Adapte

10 6. Under “Mode”, you can select operation mode of serial port. For detail information of operation mode, please refer to section 4.1.4. 7. Unde

11 5.0 LED Indicators The VSCOM USB PRO Series Industrial I/O Adapters are designed with monitor LEDs of TxD & RxD indicating serial port data

12 6.2.1 RS-422 Signal Pin-outs of DB-9 Male Pin 1 TxD- (A) Pin 2 TxD+(B) Pin 3 RxD+(B) Pin 4 RxD-(A) Pin 5 GND Pin 6 RTS- (A) Pin 7 RTS+(B)

13 6.2.3 RS-422 Signal Wiring z Point-to-Point 4 Wire Full Duplex z RS-422 with Handshaking 2TxD+(B) RxD+ (B)RxD- (A)TxD+(B)

14 6.3.1 RS-485 4 Wire (Full duplex) Signal Pin-outs of DB-9 Male Pin 1 TxD- (A) Pin 2 TxD+(B) Pin 3 RxD+(B) Pin 4 RxD-(A) Pin 5 GND 6.3.2 RS-

15 6.3.5 RS-485 Signal Wiring z Point-to-Point 4 Wire Full Duplex z Multidrop RS-485 2-Wire Half-duplex A

2 2.0 Common Features USB-COM PRO, USB-2COM PRO, USB2-4COM PRO, USB2-8COM PRO z Adds high speed RS-232 / 422 / 485 port via USB connection z 384

3 Windows Vista / 2003 / XP / 2000 Driver Installation You need to have administrator privileges to install any new drivers under Windows Vista /200

4 3.2 Change COM Port Properties & COM Port Number This feature is particularly useful for programs, such as HyperTerminal, which only work with

5 4.0 Hardware Configuration You can configure the operation mode of serial ports, enable/disable the Tx ,Rx termination resistors, enable/disable T

6 Press <6> to upload the hardware configuration file (decimal values) Press <1> to show all port hardware configurations,

7 Press <0> to return to hardware configuration main menu. Press <x> to set all the ports with same hardware configuration. 4.1.3 Port

8 4.1.5 BIASing and Termination Resistor. Press <9> to enable Tx ,Rx BIASing resistors. If the BIASing resistors are already enable

9 4.2 Configure Hardware via GUI Utility Program You must finish the driver and hardware installation first, before proceeding to hardware configur