Agilent Technologies 54621A User Manual page 232

Utilities
To set up the I/O port to use a controller
RS-232 Connections
The signals for the 9-pin RS-232 port on the oscilloscope is listed below.
Pin Number Signal
1 Data Carrier Detect
2 Receive Data
3 Transmit Data
4 Data Terminal Ready
5 Signal Ground
6 Data Set Ready
7 Request to Send
8 Clear to Send
9 Ring
SHELL Protective Ground
    
  
Pin out of oscilloscope RS-232 port looking into DB9 male connector
The follow figure shows the pin out of the recommended Agilent 34398A RS-232
cable.
PC/Controller Agilent 34398A
Cable
'&' 
5; 
7; 
'75 
*1' 
'65 
576 
&76 
5,
9-pin
9-pin
male
female
Pin out of Agilent 34398A RS-232 cable
6-10
Oscilloscope

'&'

5;

7;

'75

*1'

'65

576

&76
5,
9-pin
9-pin
 DFGU
female
male