8
1.3.2 Connecting PC
When using SR-NIR by connecting to PC, connect the instrument to PC with RS-232C cable or USB
cable. Use the RS-232C cable which is the interlink cable serial cross type applicable to the DOS/V
personal computer.
The RS-232C signal line of this instrument is arranged according to the 9-pin D-SUB connector
specification that is used in the DOS/V personal computer or others. When connecting the instrument
to a computer, carry out wiring as referring to the drawing below.
Note
• The PC connection cable is not an accessory of the instrument. Please purchase the
cable separately when you want to use it.
• When connecting to PC, refer to your PC manual in addition to the instrument’s manual.
Remember
Do not connect/disconnect the connectors while the instrument is powered.
The RS-232C specifications of the instrument are shown below.
• Communication method
Full duplex
• Synchronization
Asynchronous communication
• Communication speed
4800/9600/19200/38400 BPS (Bits Per second)
• Bit configuration
Data length: 7 bits/8 bits
Parity: Even number (EVEN)/Odd number (ODD)/None (NONE)
Stop bit: 1 bit/2 bits
• Communication type
ASCII
• Delimiter:
When data is sent, “CR+LF” or “CR” is set at the end of the
communication data line.
Selection of terminal code of remote command:
☞
“3.8 Terminal Code of Remote Command”.
TXD
RTS
DTR
SG
DSR
CTS
RXD
RXD(RD)
DSR(DR)
CTS(CS)
SG(SG)
DTR(ER)
RTS(RS)
TXD(SD)
DOS/V
SR-NIR
D-sub9Pin
Male
D-sub9Pin
Male
D-sub25Pin
Female
D-sub9Pin
Female
D-sub9Pin
Female
D-sub9Pin
Female
D-sub25Pin
Male
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
3
2
20
7
6
4
5
