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 T 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
