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 500
- Bezel CoinCo

- Voltage 110V
- Stacker 500
- Bezel Standard

- Voltage 12V
- Stacker 300
- Bezel Double Bezel

- Voltage 12V
- Stacker 400
- Bezel Standard


- Voltage 12V
- Stacker 300
- Bezel Downstacker
![[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 110V
- Stacker 500
- Bezel Standard
![[DISCONTINUED] ICT PA7-U1PB4-USD6 Bill Acceptor Replaced by PA7-E.](http://billacceptors.us/cdn/shop/files/PA7_1776227276.webp?v=1776227503&width=800)
- Voltage 110V
- Stacker 400
- Bezel Standard


- Voltage 110V
- Stacker 500
- Bezel MEI VFM Downstacker "3"


- Voltage 12V
- Stacker 1000
- Bezel MEI Compact Downstacker "8"


- Voltage 12V
- Stacker 500
- Bezel MEI Compact Downstacker "8"

- Voltage 12V
- Stacker 500
- Bezel VFM

- Voltage 110V
- Stacker 500
- Bezel VFM

- Voltage 110V
- Stacker 200
- Bezel Standard

- Voltage 12V
- Stacker 500
- Bezel CoinCo


- Voltage 110V
- Stacker 500
- Bezel CoinCo

- Voltage 12V
- Stacker 500
- Bezel Standard

- Voltage 110V
- Stacker 700
- Bezel Standard

- Voltage 12V
- Stacker 200
- Bezel Standard

- Voltage 110V
- Stacker 200
- Bezel Standard

- Voltage 110V
- Stacker 500
- Bezel VFM

- Voltage 110V
- Stacker 500
- Bezel CoinCo




