Marketplace POS systems Cash drawers Cash drawers are used to handle cash and to store it quickly and conveniently at a cash register. Alphabetically (article code) Most popular Less expensive first Most expensive first Discontinued Birch Interface converter from RJ11 to USB A converter that turns Your classical POS cash drawer controlled through a receipt printer (POS-203, POS-423, POS-523, FT-406) to a cash draver plugged to USB port of Your system.