Warranty Policy | Industrial Networking Product & Solution Manufacturer | CTC Union

Warranty Policy | 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.

Warranty Policy

Warranty Policy

CTC Union warrants its products against manufacturing defects in materials and workmanship starting from their date of shipping from CTC Union’s manufacturing facilities for a period of time as indicated below. CTC Union provides customers with free service within the warranty period after the delivery date. The warranty period of products varies based on their product categories. Please refer to the following details regarding warranty service clauses and related regulations.


Warranty Period:
CTC Union warrants each CTC Union branded product to be free from manufacturing defects in material and workmanship starting from the shipping date of CTC Union for a period as specified by product listing or product documentation. During this period, product warranties remain valid provided the product was properly installed and used. CTC Union offers customers completed services of product warranty. The actual warranty period of the product(s) depends on the product category. Please Click here for detail information.

Exclusions from Warranty:
The product will not be warranted in the following situations:
● The product has been found to be defective after expiry of the warranty period.
● The Product’s serial number has been removed, altered and/or damaged.
● The product has been subjected to misused, abused, unauthorized repair/disassembly/modification, whether by accident or other cause. Such conditions will be determined by CTC Union at its sole unfettered discretion.
● The product’s defects, malfunctions, or failures caused by other external forces such as power line disturbances, incorrect cabling, placed in an unsuitable physical or operating environment, are not warranted.
● The product is damaged beyond repair due to natural disasters, such as by lightning, flood, earthquake, etc.
If the product is not under warranty, the customer may have CTC Union repair the unit on a fee basis or return it.

Special Warranty Terms:
For special projects, customers may purchase a post-warranty repair service or require extended or limited warranty terms. The special warranties are subject to and provided only on the terms and conditions set out in a separate contract.

End of Life Product:
If your CTC products are already subject to an End of Life (EOL) and/or End of Sale announcement, these products are no longer being sold and may not be supported. Please click on the EOL Notices, for more information.

Returning products for RMA service:
If your CTC product needs service or repair, please contact our technical support engineer or a sales representative for obtaining an RMA number. Following receipt of an RMA number, the customer shall return the defective product to CTC Union and agree to follow our shipping instruction. For details on the CTC Union’s RMA instruction, please click here.

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Warranty Policy | Industrial Networking Product & Solution 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 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.