Usb Interface - ITech IT6922A User Manual

RS-232 Troubleshooting:
If there is RS-232 connection problem, check the following:
 Computer and power supply must configure the same baud rate,
 As described before in RS-232 connector, you must use the correct
 Interface cable must be connected to the correct serial port on the
Communication Settings
Before communication, you should first make the following parameters of
power supply and PC matches.
Baud Rate: 9600 (4800,9600,19200,38400,57600,115200). You can
enter the system menu from the front panel, and then set the baud rate.
Data bits: 8
Stop Bits: 1
calibration (none, even, odd)
EVEN
ODD
NONE
Local Address: (0 ~ 31, the factory default setting is 0)

5.2 USB interface

Use a Cable with two USB port to connect the power and the computer.
RS232 Pins of Plug
parity, data bits and flow control options. Note that the power
configuration as a start bit and a stop bit (these values are fixed).
interface cable or adapter. Note that even if the cable has the right
plug, the internal wiring may be wrong.
computer (COM1, COM2, etc.).
8 data bits, have even parity
8 data bits have odd parity
8 data bits, no parity
Parity=None Start Bit
Copyright ©ITECH Electronics Co., Ltd.
Remote Operation Mode
Base pin Description
number
1 No conjunction
2 TXD, data transmission
3 RXD, data receiving
4 No conjunction
5 GND, grounding
6 No conjunction
7 CTS, clear to send
8 RTS, request to send
9 No conjunction
8 Data Bits Stop Bit
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