Philips V24CT User's Reference Manual page 343

6. Human Interface Link Connector; this is a Philips HIL connector,
used to output the information from the keypad and control panel to
the Utility CPU function card in the computer module.
7. Equipotential Grounding Terminal; this is a grounding stud
connector, used to connect the system to an equipotential
grounding system.
Controls and Connectors
Monitor Installation and Patient Safety 11-27