Frequently Asked Questions

Please confirm your device model, port type, data rate, transmission distance, and fiber optic type. Please provide the device details and application requirements, and we will assist you in selecting the appropriate model.

Please provide the equipment brand, model, and part number of the original optical module (if applicable). Before processing an order, our team will check the relevant specifications and coding requirements.

The transceiver will be programmed according to the compatibility requirements confirmed in your order. Please select the appropriate compatibility option, or contact us before purchasing to confirm your device details.

Please contact us with the required part number, specifications, or equipment model. We will check if there are suitable products or coding schemes.

Yes. Contact us to discuss custom coding, labeling, packaging, or requirements. Please provide your specifications and quantity so we can confirm feasibility and delivery time.

Please select the products and specifications you need, add them to your cart, and then proceed to checkout. For customized products or requirements that cannot be selected online, please contact our sales team before placing an order.

Yes. Please provide us with the product model, quantity, compatibility requirements, and delivery destination. Our team will review your request and confirm pricing, availability, and estimated lead time.

We accept PayPal, credit cards, and bank transfers. Please check the available options on the checkout page, or confirm the payment method with our sales team before making payment.

Please check your payment information and contact your bank or payment service provider for assistance. If the issue continues, contact us with your order number and the error message. Please do not send complete bank card details.

Please contact us as soon as possible with your order number and requested changes. We will check the order status and confirm what is possible. Orders already shipped or in customization may have restrictions.

Yes. We ship to many countries and regions. Share your destination and postal code so we can confirm available shipping options.

In-stock orders usually ship within 1–2 business days after order and payment confirmation. Customized or non-stock items will require additional time. Transit time depends on the destination, shipping method, and customs clearance.

We offer shipping options such as DHL, FedEx, UPS, and EMS. You may also use your own freight forwarder. If needed, we can also arrange bulk cargo transportation.

Once the goods have been shipped and the carrier has provided tracking information, we will send you the relevant details. Contact us with your order number if tracking is missing or delayed.

Shipping costs depend on the destination, package size, weight, and shipping method. Import duties, taxes, and customs fees are generally the recipient's responsibility unless otherwise agreed.

Contact us within 30 calendar days of delivery with your order number, product details, and reason for the request. Returns are subject to eligibility review. Obtain Return Merchandise Authorization (RMA) approval before shipping anything back.

Please contact us as soon as possible and provide your order number, a description of the problem, and photos of the product and packaging. Please keep the packaging so we can review your case and confirm the next steps.

For any product defects, damage, or order errors confirmed to be caused by us, FiberWeek will cover reasonable return shipping costs. For other returns, shipping and related charges are generally the customer's responsibility.

Approved refunds are usually processed within seven business days after returned products are received and inspected. Your bank or payment service provider may need additional time to process the funds.

Please refer to our "Warranty" page for applicable warranty periods and exclusions; if you need to apply for warranty service, please contact us before sending the product back.

Submit a request through our Technical Support page or email support@fiberweek.com. Please provide your product model and a brief description of the problem.

Please provide the product model, device model, and a description of the problem. Providing error messages, screenshots, and details of completed troubleshooting steps helps our team with analysis.

Yes. Our team can provide guidance on transceiver installation, port settings, and network connectivity. Share your equipment model and connection details so we can review your setup.

Yes. Please send us the symptoms, relevant error messages, and available DDM readings from both ends of the link. Our team will review the information and recommend further checks.

Please visit our "Technical Documents" section for available specifications and guides. If you cannot find the document you need, contact us with the product model.