Chapter 1 Product Overview USB controlled (Serial) The USB controlled is a connection in which the product is connected to the TM printer's USB interface (with DM-D connector) via an RS-232 cable, and the TM printer and a computer are connected via a USB cable. Power is supplied from the TM printer. Computer TM Printer PS-180 USB 1 USB I/F DM-D110/DM-D210 17