Design
Product colour	Grey
Country of origin	China
Internal
Logistics data
Harmonized System (HS) code	84733020
Products per pallet	1200 pc(s)
Products per pallet layer	120 pc(s)
Pallet gross width	80 cm
Pallet gross length	120 cm
Pallet gross height	3.15 m
Packaging data
Quantity per pack	1 pc(s)
Package width	80 mm
Package depth	100 mm
Package height	35 mm
Ports & interfaces
Host interface	USB
Output interface	USB 2.0

The Epson CPNT C32C824121 is a USB interface module for label printers, specifically designed as a replacement interface for existing printers from the Epson TM series. The module enables connection of the printer via a USB interface to a host computer or another USB-compatible control unit. It is not intended as standard accessory for new printers, but exclusively serves conversion or replacement functions for devices already in use, where the original interface is no longer sufficient or needs to be replaced.

Applications
This interface is primarily intended for use in industrial and commercial environments, where label printers are connected via USB to control systems, POS terminals, or computers. It is used in systems requiring a direct USB connection, for example in logistics environments, retail, or production, where labels are needed for shipping, inventory management, or product identification. The module is used exclusively in conjunction with Epson printers that feature a DM-D connector.

Functions and Equipment in Detail
The module features a host interface USB and an output interface USB 2.0, ensuring stable and fast data transmission between the printer and the host system. The interface is hubless, meaning no additional USB branching or external power supply is required. The interface is built-in and directly integrated into the printer, with connection via the DM-D connector. The module’s color is grey, typical for industrial components, allowing seamless integration into existing systems.

Technology Explained Simply
The USB 2.0 interface offers a data transfer rate of up to 480 Mbit/s, sufficient for fast and error-free transmission of label and print data. The use of USB 2.0 ensures compatibility with a wide range of operating systems and host devices. The module functions as a bridge between the printer’s internal system and the external USB host, enabling USB control of the printer. The host interface USB allows direct connection to computers, POS systems, or other USB-compatible devices. The DM-D interface is a special serial interface used by Epson printers for connecting to add-on modules.

Compatibility and Accessories
The interface is specifically developed for Epson printers from the TM series that feature a DM-D connector. It is not suitable for other printer models or interface formats. It is used exclusively as a replacement or upgrade module for existing printers, where the original interface is no longer functional or needs to be replaced with a USB connection.

Installation and Mounting
Installation is performed by directly inserting the module into the printer via the DM-D connector. No additional adapter or hub is required. Connection to the host system is made via a standard USB cable. Installation does not require special tools, but technical knowledge of printer hardware is necessary to install the module correctly. Installation is part of a conversion process and should only be carried out by qualified personnel to avoid damage to the printer.

Operational Advantages
Using the USB interface enhances printer control flexibility and modernizes the system. It enables direct connection to modern computers and control systems equipped with USB ports. The USB 2.0 technology ensures reliable and fast data transmission, increasing operational efficiency. The module is compact and robust, with a grey finish that integrates well into industrial environments. The built-in technology ensures a stable connection without external cables or adapters, increasing reliability.

The module is manufactured in China and is available in individual packaging with a quantity of 1 piece per pack. Packaging dimensions are 80 mm width, 100 mm depth, and 35 mm height. For logistics purposes, 1200 pieces per pallet are planned, distributed as 120 pieces per pallet layer, with pallet dimensions of 80 cm width and 120 cm length. Pallet height is 3.15 m (gross).