Fredenstein Bento 6/10(S) Pinout Nov 26, 2023 (Pin) API Spec [Bento 6/10(s)] ( 1) Chassis ( 2) Out+ ( 3) NC [Aux Out+] ( 4) Out- ( 5) GND ( 6) Link ( 7) NC [Aux Out-] ( 8) In- ( 9) NC [Aux In-] (10) In+ (11) NC [Aux In+] (12) +16V (13) GND (14) -16V (15) +48V