RMA Policy

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RMA Conditions

Lantech warrants that our products are free from manufacturing defects in materials and workmanship for the following periods, starting from the date of delivery:

• 5 years for industrial OS3, OS4, and OS5 switches (unless otherwise specified or covered by a negotiated warranty).

• 3 years for industrial unmanaged, OS1, OS2, and OS2 PRO switches, converters, and routers (unless otherwise specified or covered by a negotiated warranty).

• 2 years for regular indoor media converters (CM series).

• 1 year for accessories, including power supplies and SFP modules.

For more details, please refer to our Warranty Policy page.

RMA service does not cover the damages incurred from OUT-OF-SPEC. use, EOS (Electrical Over-stress), lightning, salt erosion and water immersion that are categorized as “Out of Warranty”.

Return Merchandise Authorization (RMA) Process

If you are not sure about product failure or the cause of problem, please contact our engineers for technical support by support form or phone (+886-2-2790-2589) first. They may be able to find a solution that does not require sending the product for repair. Once the products need to be repaired, please fill out the RMA form below. Our staff will generate an email with an assigned RMA number.

Download RMA Form

Distributors & System Integrators must obtain a RMA number before sending the defects back to Lantech Taiwan for repair. Any defective item returned without RMA number, Lantech has rights to reject or not repair at its own choice. In the event of product not able to be repaired due to component shortage, Lantech could replace with the equivalent item at discreet.

Turnaround Time

In the warranty, Distributors & System Integrators will bear one way freight charge to return RMA back and Lantech will bear another one way freight charge to send to distributors & S/I. Please expect the RMA lead time 2-4 weeks. For out of warranty units, the customer is responsible for freight both ways and for the inspection fee for the units.