The VN 2000 series bill acceptor is widely known as the best validator on the market. The VN-2522 offers both MDB or pulse/serial 24 volt operation interfaces. This unit DOES NOT have what is called a "flashport", which means it is not upgradable to new currency updates, and it also means these validators can't take any of the $5 bills except ones made in the 1990s, which are no longer in circulation. This makes them essentially a $1 only validator. This bill acceptor has a "slim style" bezel, which is needed to put a 2000 series validator in some machines, like the National 431 cold food machines.
MEI holds the world's largest installed base of unattended payment systems, handling over 2 billion transactions per week in more than 100 countries. The company developed the first electronic coin mechanism in the 1960s, followed by the first electronic non-contact bill validator, and more recently its credit card capability and vending management solutions software.
MEI payment systems' technology is considered the most reliable choice in hundreds of real-world applications and has earned the best performance rating in the market. Through its commitment to quality and innovation, MEI continues to provide the highest reliability and state-of-the-art products for the vending, gaming, amusement, transportation, retail and kiosk markets.