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

Based in Taiwan since 1993, CTC Union Technologies Co., Ltd. has been a manufacturer of networking products and a provider of industrial networking solutions. Its main networking products include, network switches, fiber optic cables, network routers, media converters, bypass switches, fiber optic multiplexers, fiber single mode media converters. Industrial networking solutions for optical transport, factory automation, intersection monitoring, wireless network security, traffic monitoring, tunnel and cell tower safety control, wireless machine networking, data offloading, PoE-powered office automation, campus network access.

CTC Union, founded in 1993, is a Taiwan manufacturer of telecommunication products (ex. L2 Ethernet switch, TDM, Transponder) and industrial Ethernet switch, converter, injector. Strictly control all product design, CTC Union’s products pass strict tests and certifications ex. CE, FCC, UL, IEC 62443-4-1, EN50155, EN45545-2, IEC61850-3 standard etc. CTC Union partners with voice and data carriers, enterprises, and industrial grade Ethernet users covers all continents and areas. This global partnership receives direct engineering and technical support from headquarters, located in Taipei, Taiwan.

CTC Union has been providing customers with high quality networking products and networking solutions since 1993, with both advanced technology and 28 years of experience, CTC Union ensures that each customer's requirements are met.