Agilent Technologies Turbo-V 2K-G Notice De Mode D'emploi page 315

The Navigator Software ver. 3.0 (optional) or any user developed serial
NOTE
communication software (according to RS 232-485 Communication Protocol)
allows the operator to set all the programmable fea-ture.
When no external input-output device is available the J1 connector
must be closed with the supplied mating connector that short-circuits
the START and INTERLOCK inputs with the GROUND input.
Electrical Connections Examples:

Turbo-V 2K-G Pumping System User Manual / 87-900-968-01
Start-Stop or Interlock
Technical Information
Interconnections
(H)
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