Condition: Used — The T-BERD 2000 mainframe shows signs of use including scratches on the screen and a small crack on the fascia above the screen (top left). The CWDM COSA-4055 optical spectrum analyser module is in like-new condition with minimal usage.

This listing comprises the following items:
• Viavi JDSU T-BERD 2000 mainframe
• CWDM COSA-4055 Optical Spectrum Analyser module (1260–1625 nm)

The images provided are of the actual item you will receive. Please review them carefully for the cosmetic condition and what is included in the sale.

The Viavi (formerly JDSU) T-BERD 2000 is a compact, handheld multi-application fibre optic test platform designed for field technicians working on access, enterprise, and last-mile network installations and maintenance. Its modular architecture accepts a wide range of interchangeable test modules, making it a flexible and cost-effective solution for varied fibre characterisation tasks.

The COSA-4055 is a CWDM Optical Spectrum Analyser module for the T-BERD 2000, providing full spectral analysis across the 1260–1625 nm wavelength range. It enables technicians to identify CWDM channels, measure per-channel power levels, and characterise optical networks in the field without the need for a laboratory-grade OSA.

Key Specifications — Viavi JDSU COSA-4055 CWDM OSA Module:
Wavelength Range: 1260–1625 nm
Application: CWDM channel analysis and optical spectrum characterisation
Platform: T-BERD 2000 modular mainframe
Form Factor: Field-portable, handheld mainframe with plug-in module
Display: Colour LCD touchscreen (T-BERD 2000 mainframe)
Power: Battery and AC adapter operation

Please refer to the Viavi Solutions website for full and current specifications.

Shipping & Returns Policy

Shipping Policy

• Processing Time: Orders are typically processed and dispatched within 1 business day.
• Shipping Methods: We offer Expedited Shipping to all destinations using UPS/DHL/Fedex/Royal Mail and other reputable carriers.
• Shipping Times: Mainland UK: 1-2 Business Days / Mainland Europe and USA: 2-3 Business Days / Rest of the World 5-7 Business Days.
• Shipping Costs: These are calculated at checkout based on the shipping method, destination and package dimensions.
• CUSTOMS AND TAXES: It is YOUR responsibility to liaise with customs in your country and ensure your package is cleared and any taxes are paid.
• Shipping Destinations: We ship worldwide.
• Tracking: Once your order is shipped, we will provide you with a tracking number via email.
• Insurance: All shipments are insured. In case of damage, please contact us via email within 48 hours of receiving the product with photographic evidence, please also ensure a report is logged with the delivery driver.

Returns Policy

• Return Period: In the event of an item being received which is 'not as specified', you can return your purchase within 14 days of delivery.
• Condition of Items: Items must be returned unused and in their original packaging.
• Return Method: All returns must be notified in writing to hello@ttinstruments.com, the email should accompany the order number, date and reason for return and must be within 14 days of delivery.
• Restocking Fees: A restocking fee of up-to 20% is applicable for items returned for any reason other than 'not as specified'.
• Refund Method: Refunds are processed to the original method of payment within 5 business days of receiving the return.
• Exchanges: We do not offer exchanges. It will either be a replacement or a refund.
• Return Shipping Costs: Return shipping costs will be borne by the customer unless the item is 'not as specified', in this case we will arrange for the return by way of a prepaid shipping label.