R3267 Series Spectrum Analyzer Operation Manual (Vol.1)
5.3.5 Data Format
5-61
Figure 5-7 Cable Wiring Diagram
5.3.5
Data Format
Transmission messages between the analyzer and the controller are in ASCII code character strings and
followed by carriage returns (CR) and line feeds (LF).
Figure 5-8 Data Format
Pin No.(9pin)
Signal name
Remarks
1
DCD:Data Carrier Detector
Receive carrier detection
2
RxD: Receive Data
3
TxD: Transmit Data
4
DTR: Data Terminal Ready
5
GND: Ground
Signal ground
6
DSR: Data set Ready
7
RTS: Request To Send
Request signal for sending
8
CTS: Clear to Send
Clear signal for sending
9
CI: Data signal rate selector
N.C
9pin
9pin
2 RxD
3 TxD
3 TxD
2 RxD
5 GND
5 GND
4 DTR
6 DSR
1 DCD
7 RTS
8 CTS
Spectrum
Analyzer
side
Controller
side
LF CR 7
0
+
E 0 0 0
0 0
0
0 0 0 0 0
.
3
+
C F
?
CR LF
Controller
side
Spectrum
Analyzer
side