JCM Part No . 960 - 000053R _ Rev . 6 © 2007, JCM - American Corporation 1 - 4 Section 1 AD - 02™ Retrievable Bill Validator General Information Features The AD - 02™ Retrievable Bill Validator contains the following features:   Bulk Note Feeder Unit   US Currency Bill Validator   Rear Unit   Dispensing Unit   Expander Stacker Unit   Expanded Stacker Unit Upper Standard Stacker Unit   Lower Standard Stacker Unit   Base Unit US Bill Validator Unit Assembly Figure 1 - 5 AD - 02 Bill Acceptor Bulk Note Feeder Assembly The Bulk Note Feeder can accept a maximum of up to 20 notes at a time efficiently without problem . Unreadable bills will be automatically rejected and discarded through the lower bill exit . Bulk Note Feeder Assembly Figure 1 - 6 AD - 02 Bill Validator Unit Assembly The US Validator Unit verifies note validity fed through the Bulk Note Feeder . Utilizes optical and magnetic sensor technology and is Bar Code coupon compatible . Accepts up to 2 bills per second into the escrow position .