30
RS232C parameter
Transmission
mode
full-duplex asynchronous communication including start bit
and stop bit
Baud Rate
1200bps
，
9600bps
，
19200bps
，
38400bps
，
115200bps
Date Bits
8 Bits
Stop Bits
1 Bit
Parity Bit
None
Endof Sequence
CR
、
LF
、
CR+LF
Tie mode
Software
Connector
DB9
A.2 USB remote control system
USB communication is one of widely-used way.
USB Bus
USB (Universal Serial Bus) remote control system controls the instrument through the USB
interface. This connection conforms to USBTMC-USB488 and USB2.0 protocols.
USB-CDC(Communication), the tester is considered as COM
（
Vcom
），
which can realize the same
communication way as RS232C
USB-TMC
（
Test&measurement
）
, the protocol is based on USB to realize the communication
with USB device by means of GPIB.
USB Configuration
USB-DEVICE adopts USB-B type connector
，
USB cable is USB A-B type
：
After tester is connected to PC by USB, then it can work after installing the
将
driver.
USB-CDC
After USB-CDC is selected, the procedure is as below
：
First connection, the PC identifies the new hardware, and select “No, not now”
Click
“
Next
”，
Select
“
From a list, or specify the location to install
”
：
To PC
To tester