TKA-C1E Network Serial Port Expander is a compact and efficient interface expansion device that supports 1x RS-232/485 multiplexed serial port, 1x IR port (supporting CCF code transparent transmission), and 1x GPIO input/output port. It can communicate with programmable central control systems or PCs via TCP/IP networks, enabling control of multiple devices and protocol conversion between different communication methods. The product features a built-in configurable Web GUI for remote management and configuration, and supports transparent transmission of serial data to TCP/IP or UDP networks for remote data transfer. TKA-C1E offers dual power supply options (DC or PoE) and is equipped with front-panel power and port data transmission indicators for real-time monitoring of device status and communication progress.