Time Division Multiplexer | Switch & Router | Ethernet Network Product Manufacturer | CTC Union

Time Division Multiplexer (TDM Series) | CTC Union's goal is to provide reliable, temperature resistant and rugged designs for harsh environments. We offer a full spectrum of products, including L3/L2 Switch, PoE Products, EN50155 and E-Mark certified switches.

Time Division Multiplexer (TDM Series)

TDM Products

Time Division Multiplexer

The STM1 / E1 TDM (Time Division Multiplexer) for fractional E1 network access is designed for non-stop operation. The uplink supports STM1 fiber and E1 copper, two types of connection, maximum up to 96x E1 cross connect for Voice and Data including RS232,V.35, FXS, FXO, ET100 and E&M.


TDM Products

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Ethernet to WAN (V.35 / RS530 / 449 / 232 / X.21) Bridge - Compact Ethernet to WAN (V.35 / RS530 / 449 / 232 / X.21) Bridge.
Ethernet to WAN (V.35 / RS530 / 449 / 232 / X.21) Bridge
ET100A (V3)

The Network Bridge (ET100A) is a high performance remote, self-learning, Ethernet bridge. Its compact...

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TDM Products | Switch & Router | Ethernet Network Product Manufacturer | CTC Union

CTC Union Technologies Co., Ltd., founded in 1993, is an ISO9001/14001 certified designer and manufacturer. CTC Union’s software development system follows the cybersecurity IEC62443 regulations for the design of Industrial & Telecom networking products. With their own in-house R&D and factory, CTC Union develops and manufactures high-quality products in Taiwan. CTC Union offers a full spectrum of products, including TDM Products, Industrial Ethernet, PoE, EN50155 and E-Mark certified switches. CTC Union’s goal is to provide reliable, temperature resistant and rugged designs for mission critical systems used in harsh environments. With more than 30 years of experience in design of Telecom products, CTC Union is highly motivated to deliver various access switches and FTTP CPE products.

CTC Union is a leading Taiwanese manufacturer specializing in telecommunication products such as L2 Ethernet switches, transponders, and industrial Ethernet switches, converters, and injectors. The company maintains strict control over product design, ensuring compliance with certifications like CE, FCC, UL, IEC 62443-4-1, EN50155, EN45545-2, and IEC61850-3. CTC Union has established strong global partnerships with voice and data carriers, enterprises, and industrial Ethernet users, providing direct engineering and technical support from its headquarters in Taipei, Taiwan.