Remote Interface Description; Rs232 Interface Specification; Data Format; Command Format - Chroma 19572 User Manual

5.

Remote Interface Description

5.1

RS232 Interface Specification

5.1.1 Data Format

Baud Rate: 300 / 600 / 1200 / 2400 / 4800 / 9600 / 19200
Parity: NONE / ODD / EVEN
Flow Control: NONE / SOFTWARE
Transmit bit: 1 initial bit
8 data bit or 7 data bit add 1 parity bit
1 end bit

5.1.2 Command Format

The RS232 interface function of the instrument is inputted by ASCII code to compose
command string to remote control and setting function. The length limit of command string is
within 1024 characters (include end code) [command + parameter] to compose a command.
Two commands can connect by semicolon ";" and add end code finally. End code can be any
type of the below. The instrument can distinguish by itself.
End code
LF
CR + LF

5.1.3 Connector

RS232 connector of this tester is a 9-pin female connector.
5 4
9
Pin No.
1 *
2 TxD
3 RxD
4 *
5 GND
6 *
7 *
8 *
9 *
3 2 1
8 7 6
Description
Not used
Deliver data
Receive data
Not used
Grounding
Not used
Not used
Not used
Not used
Remote Interface Description
5-1