Cash Drawer Documentation
For Models with part numbers beginning with 226- .

Multi-Serial interface operator's manual.
MMF Cash Drawer has released an innovative serial interface that allows drawers so equipped to be used in either dedicated or non-dedicated serial mode. In the dedicated mode, one cash drawer is attached to a PC’s serial port while the non dedicated mode allows two cash drawers or a serial peripheral and cash drawer to be connected to the same serial port in a daisy-chain configuration.

USB Interface Installation Instruction Sheet