Design
Product colour	Black, Green, Stainless steel
Country of origin	China
Internal
Logistics data
Harmonized System (HS) code	84733020
Products per pallet	2400 pc(s)
Products per pallet layer	120 pc(s)
Pallet gross width	80 cm
Pallet gross length	120 cm
Pallet gross height	6.15 m
Packaging data
Quantity per pack	1 pc(s)
Package width	85 mm
Package depth	104 mm
Package height	39 mm
Ports & interfaces
Output interface	USB 2.0
USB 2.0 ports quantity	1

The Epson UB-U03II is a USB interface module for cash registers, developed as an integrated add-on module to expand connection options. The device is marketed under the manufacturer's number C32C824131 and serves as a USB 2.0 interface, directly integrated into compatible printer models to enable external connection to computers, terminals or other devices via USB. The interface is specifically designed for use in point-of-sale systems and retail environments where reliable and fast data transmission is required.

Applications
This module is primarily intended for use in Epson TM-series cash registers, particularly models featuring a DM-D connection. It enables direct connection to systems communicating via USB 2.0 and is commonly used in retail stores, restaurants or service businesses where integrating printers into existing IT infrastructures is necessary. The integrated design ensures a compact and stable installation without additional external devices.

Functions and Equipment in Detail
The Epson UB-U03II features one USB 2.0 port serving as the output interface. This enables the transmission of print data and control commands between the printer and a connected device. The interface supports the standard USB 2.0 specification, allowing data transfer rates of up to 480 Mbit/s. The module is not designed as an external device, but as a plug-in module inserted into the printer. Colour options include black, green and stainless steel, with the exact colour varying depending on the printer model.

Technology Explained Simply
The USB 2.0 technology provides sufficient bandwidth for operating cash registers, where data transmission must occur in real time. The interface is bidirectional, meaning not only print commands are transmitted from the host system to the printer, but also status messages and feedback can be sent from the printer to the system. The integrated design reduces the number of external cables and increases connection stability, as the module is mechanically integrated into the printer. The packaging dimensions are 85 mm (width), 104 mm (depth) and 39 mm (height), indicating a compact design that fits standard cash register dimensions.

Compatibility and Accessories
The module is specifically developed for Epson TM-series printers featuring a DM-D connection. It is not a universal USB adapter module, but a manufacturer-specific add-on module that only functions in compatible Epson printers. It is used exclusively as a replacement or expansion module within the printer.

Installation and Mounting
Installation is performed by inserting the module into the corresponding socket inside the printer. The exact mounting instructions are included in the documentation for the respective printer model. It is a plug-in module requiring no additional tools or mounting work. Connection to the host system is made via a standard USB cable connected to the USB 2.0 port of the module.

Operational Advantages
Integrating the UB-U03II into a cash register enables direct connection to the IT system without additional adapters or external interface boxes. This reduces the number of required cables and minimises failure risks from loose connections. The USB 2.0 technology ensures reliable and fast data transmission, essential for operation in a point-of-sale environment. The integrated design provides a robust and compact solution that seamlessly integrates into existing systems.