| Model | Description |
| CR3000C | Citizen printer interface, printer driven, Molex connector, IDP3530 series & IDP3540 series |
| CR3000CR | Citizen printer interface, printer driven, RJ11-12 connector, IDP3540 with Star printer emulation |
| CR3000E | Epson printer interface, printer driven, RJ11 connector, TM series |
| CR3000I | Ithaca printer interface, printer driven, BNC connector |
| CR3000IR | Ithaca printer interface, printer driven, RJ11 connector |
| CR3000S | Star printer interface, printer driven, RJ11-12 connector, SP200 series, SP300 series, DP8340 series & TSP300 series |
| CR3001 | 4-in-1 smart drawer, parallel, non-dedicated serial RS232, dedicated serial RS232, printer driven, programmable baud rate & customer selectable security code, serial interface cable, installation guide, 120 VAC power adapter |
| CR3002 | RS232 Port-powered drawer, requires no external power adapter or printer drive circuit to open drawer, serial interface cable, installation guide |
| CR3001/220 | CR3001 w/220 VAC power adapter |
| CR3003 | USB interface with programmable security code, port powered - requires no external power adapter, virtual serial port, installation guide |