Reference Manual Rev 1.13 
 
004R-646-113  Page 15 
 
Figure 9: Optical Communications attachment 
 
3.11.  Connecting Shields 
To obtain full EMC or for RFI immunity, cable shields MUST be connected and 
the earth lug on the rear of the instrument must be grounded. 
Figure 10 illustrates an example of possible connections.  Also shown are the 
connecting cables restrained using cable ties fastened by screws into the rear of the 
unit.