Agilent Technologies TwisTorr 404 FS Notice De Mode D'emploi page 305

Take care to have a good contact between the metallic case and the external
NOTE
shield of the wire. Moreover, this operation has to be done at least on the
controller side.
In this way, you will be sure to reduce the influence of the external
noise and to accomplish the EMC requests. In picture d is showed the
cable assembled.
Figure 33
TwisTorr 404 FS User Manual / 87-901-048-01 (A.00)
Technical Information
Serial Cable Installation
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