... kiosk. 3, Easy operation and maintenance Bill insertion4 - way AcceptanceAcceptance speedAppox. 3 seconds ( including bill stacking )InterfacePulse, 5V Enable, ICT ProtocolBill ... or side.c. Incorrect-made bills.Features1.Four way bill insertion acceptance.2.Auto-Calibrating.3.Numerous interfaces acailable.4 ... States), Saudi Arabia, Trinidad-Tobago,United Arab Emirates, United States. bill acceptor