RS232 bill acceptors use serial communication to exchange data with a host controller, PC, kiosk board, gaming cabinet, or payment system. Unlike a simple pulse validator, an RS232-capable unit can provide detailed status and transaction information through a serial connection—but the connector, serial protocol, voltage, and host-side software must match the machine.
This collection includes serial-capable bill acceptors, note validators, related cables, and replacement configurations from ICT, Pyramid Apex, MEI, and other payment-equipment families. The product range includes 12V and 110V units, multiple cashbox capacities, standard/downstack/fitted bezels, and model-specific serial cables. Some validators support more than one protocol, such as pulse, MDB, ICT protocols, or RS232; do not assume every unit in this group will work on the same serial harness or command set.
Before ordering a serial bill acceptor, match the complete part number on the existing validator and verify the host interface, connector or cable, power supply, baud-rate/protocol requirements, bezel style, mounting, cashbox capacity, and currency programming. An RS232 cable is not universal; pinout and connector style can vary by validator family and machine.
Common questions about RS232 bill acceptors
- Is RS232 the same as Pulse or MDB? No. RS232 is serial communication; Pulse and MDB use different electrical and communication methods.
- Can any RS232 validator replace another serial validator? No. The complete protocol implementation, connector, power, software support, and physical configuration must match.
- Do I need a special serial cable? Often, yes. Match the cable and pinout to both the validator and the machine controller.
- What else should I verify? Confirm voltage, bezel, stacker capacity, currency set, and the complete model number before ordering.

- Voltage 12V
- Stacker Stackerless
- Bezel Standard

- Voltage 12V
- Stacker Stackerless
- Bezel Standard

- Voltage 12V
- Stacker Stackerless
- Bezel Standard

- Voltage 12V
- Stacker 400
- Bezel Standard

- Voltage 12V
- Stacker 500
- Bezel Standard

- Voltage 12V
- Stacker Stackerless
- Bezel Standard

- Voltage 12V, 24V
- Stacker 500

- Voltage 12V
- Bezel Standard

- Voltage 12V
- Stacker 500
- Bezel Standard

- Voltage 12V
- Bezel Standard

- Voltage 12V
- Bezel Standard

- Voltage 12V
- Stacker 500
- Bezel Standard

- Voltage 12V
- Stacker 500
- Bezel Standard

- Voltage 110V
- Stacker 500
- Bezel Standard

- Voltage 34V
- Stacker 400
- Bezel Standard

- Voltage 12V
- Stacker 400
- Bezel Standard

- Voltage 34V
- Stacker 400
- Bezel Standard

- Voltage 110V
- Stacker 400
- Bezel Combo Bezel

- Voltage 34V
- Stacker 400
- Bezel Standard
![[DISCONTINUED] ICT PA7-U2PB4-USD6 Bill Acceptor Replaced by PA7-E.](http://billacceptors.us/cdn/shop/files/PA7.jpg?v=1774546019&width=800)
- Voltage 12V
- Stacker 400
- Bezel Standard
![[DISCONTINUED] ICT A6-25FOP-USD4-II-1 Bill Acceptor Replaced by A6-E.](http://billacceptors.us/cdn/shop/files/A6-500-Front-Fcp.jpg?v=1774378259&width=800)
![[DISCONTINUED] ICT A6-25FOP-USD4-II-1 Bill Acceptor Replaced by A6-E.](http://billacceptors.us/cdn/shop/files/A6-500-Back-Fcp.jpg?v=1774378259&width=800)
- Voltage 12V
- Stacker 500
- Bezel Fitted
![[DISCONTINUED] ICT A6-28N0P-USD4-II Bill Acceptor Replaced by A6-E.](http://billacceptors.us/cdn/shop/files/ict-a6-bill-acceptor-main_1893ab68-3c6b-4084-9a9e-d210f57ed882.png?v=1776263100&width=800)
![[DISCONTINUED] ICT A6-28N0P-USD4-II Bill Acceptor Replaced by A6-E.](http://billacceptors.us/cdn/shop/files/ict-a6-bill-acceptor-back_03d26d0b-9c7d-4a57-a66d-add0f1d89be7.png?v=1776263100&width=800)
- Voltage 12V
- Stacker 300
- Bezel Fitted
![[DISCONTINUED] ICT A6-13FOP-USD4-II Bill Acceptor Replaced by A6-E.](http://billacceptors.us/cdn/shop/files/ict-a6-bill-acceptor-main_3745ed58-141f-4d44-8d2d-b496d3cbcfff.png?v=1776262808&width=800)
![[DISCONTINUED] ICT A6-13FOP-USD4-II Bill Acceptor Replaced by A6-E.](http://billacceptors.us/cdn/shop/files/ict-a6-bill-acceptor-back_40641e5f-42d4-404b-84a3-23eb57b7decf.png?v=1776262808&width=800)
- Voltage 110V
- Stacker 300
- Bezel Fitted


- Voltage 110V
- Stacker 300
- Bezel Downstacker
