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3onedata products are warrantied to be free from manufacturing defects in materials and workmanship starting from their shipping date from 3onedata. The actual warranty period of products varies according to their product category.

Warranty Policy

Warranty Period  


Each of 3onedata's product line is designed, produced, and tested with high industrial standard.


3onedata products are warrantied to be free from manufacturing defects in materials and workmanship starting from their shipping date from 3onedata. The actual warranty period of products varies according to their product category.

Product Category

Product Line

Warranty Period

Industrial Ethernet Switches

Unmanaged DIN-Rail Ethernet Switches

5 Years

Unmanaged Rackmount Ethernet Switches

Managed DIN-Rail Ethernet Switches

Managed Rackmount Ethernet Switches

Industrial Ethernet Media Converters

RS-232/485 Ethernet Switches

Layer 3 Industrial Ethernet Switches

Embedded Industrial Ethernet Switch Modules

Industrial PoE Switches

Unmanaged PoE Switches

5 Years

Managed PoE Switches

PoE Media Converters

Serial Device Servers

Serial Device Servers

3 Years

Modbus Gateways

Modbus Gateways

3 Years

Interface Converters

RS-232/485/422 Converters

3 Years

USB to RS-232/485/422 Converters

CAN to RS-232/485 Converters

RS-232 Repeater&Isolator

TTL to RS-232/485 Converters

Surge Protectors

Media Converters

Ethernet Media Converters

3 Years

RS232/485/422/CAN to Fiber Optic Converters

Protocol Converters

E1/FE1/Ethernet/V.35 Converters

3 Years

E1/FE1/Ethernet/V.35 to Fiber Converters

Serial to E1 Converters

BNC to RJ45 Converters

PoE Switches

10/100M PoE Switches

3 Years

10/100/1000M PoE Switches

PoE Injectors

PoE Splitters

Digital Video Optical Transceivers

Digital Video Optical Transceivers

3 Years



Warranty Period

Power Adapters

1 Years

SFP Ethernet Modules

1 Years

Fiber Patch Cords

1 Years


Service Offering 


3onedata warrants that the products are free from defects in materials and workmanship arising from normal use. If a product should fail within warranty period, the product can be:


Ø Repaired;


Ø Replaced with a new unit ;


Ø Replaced with a equivalent repaired product fulfilling the same functionality;


Ø Full refund according to the purchase price if repair or replacement is impossible;

Service description


Ø This warranty is limited to either the repair or replacement of the defective product during its warranty period.


Ø If a product is found to be defective within 3 months of the shipping date from 3onedata, and if said product was properly installed and used, this is called Defect on Arrival (DOA) and 3onedata will provide an expedited replacement service. In this case, customers should contact 3onedata technical support for verification first.


Ø After 3 months from the shipping date from 3onedata, the customer must obtain a Return Merchandise Authorization (RMA) number prior to returning the defective product to 3onedata for repair service.


Ø For products’ firmware configurations and storage devices contained within products, the customer shall back up the settings and data in the products before sending them for repair. 3onedata is not responsible for any loss of settings or data.


Ø Repaired or replaced products are warrantied for 90 days from the date of repair or replacement, or for the remainder of the original product's warranty period, whichever is longer.If your 3onedata product needs servicing or repair, you can take advantage of 3onedata's RMA service.


Exclusions from Warranty  


A product will not be covered by warranty in any of the following situations:


Ø The product is out of warranty period.


Ø Defects resulting from ordinary wear and tear.


Ø Defects attributed to any accidental damage, improper use, modification, adaptation, purchaser’s or its representatives’ neglect, improper storage or installation, installation in toxic or acid environment or in mobile and/or instable environments not in accordance with the specifications or external electrical fault.


Ø Defects resulting from use of the Product or accessories not in accordance with 3onedata published user manual.


Ø Defects resulting from any service, maintenance or repair executed by another party than 3onedata, a 3onedata authorised service provider or a 3onedata authorised third party.


Ø Defects resulting from natural disaster, including but not limited to lightning, flooding, earthquake, fire, etc.


Ø The product has an altered and/or damaged serial number.


Ø The warranty for customized and ODM products is defined by contract, and is excluded from this policy.