Race Top TUM232A User manual

TUM232A - USB RS-232 Converter Tester User Guide
The TUM232A is a USB RS-232 Feedback Tester .The Tester with USB to RS-232 Converter of FTDI
Chipset *2 & 1 pc’s USB-A Port + DB-9F for external testing USB-RS232 Adapter or Cable. TUM232A is
Power free with 7G Pen Driver & Key of TUM232A + Tester tool
TUM232A is 1 port USB downstream port for outside USB to RS-232 converter cable (Port C) Tester.
DB9-F (Port C) connector inside connect Port A & Port B follow:
Port C Signal Name Error message Port B Port A
Main test port Name IN/OUT Test tool Number Feedback test port Feedback test port
Pin1 DCD <=IN 7 Pin4
Pin2 RXD <=IN 2 Pin3
Pin3 TXD =>OUT 1 Pin2
Pin4 DTR =>OUT 3 Pin6
Pin5 GND Pin 5 Pin 5
Pin6 DSR <=IN 5 Pin4
Pin7 RTS =>OUT 4 Pin8
Pin8 CTS <=IN 6 Pin7
Pin9 RI <=IN 8 Pin7
Shell GND
Install TUM232A & tester tool
1. Plug in USB cable of TUM232A to PC (With Key / tester program & Driver) =>RED LED LIGHT
2. Fine DATANET Disk & FTDI Driver

3. Install FTDI VCP Windows Driver.
4. Press “Basic settings” to setting COM ports
Change PORT A/PORT B (See the USB Serial Port (COM X) Setting)
5. Test USB to RS-232 Cable: a. USB-A/M of testing cable to USB-A/F Port of TUM232A b. RS-232
Port (DB9-M) to RS-232 Port (DB9-F) of TUM232A. =>GREEN LED LIGHT
(Note: DB9-M of RS-232 must
DTE Mode)

6. Check COM port & Setting
7. Press “Repair_Testing” &

8. Press “TEST START” KEY
9. Test OK 1~8 LED are Green color (Test error the LED appear RED).
Note: TUM232A Support FTDI all USB to RS-232 Chipset & Adapter if use other Chipset test maybe
appear a litter TXD/RXD data loss (Chipset Hardware & Driver compatible bug) but the converter is
maybe ok.
Q & A:
1. PORT A / Port B setting Error : COM4 Data transfer to COM3

2. Only data transfer Error: Chipset Hardware & Driver compatible bug) but the converter is ok
3. If you’re USB to RS-232 Cable with difference serial number, you must change every COMX+1 of PORT
3 before test.
4. (Don’t copy the tester program to PC’s desk)