Condition: Used — supplied in good condition as pictured.

This listing comprises the Viavi (JDSU) T-BERD 2000 mainframe paired with the 4126 LM singlemode OTDR module. The 4126 LM is optimised for last mile fibre testing, operating at 1310 nm and 1550 nm with a dynamic range of 34 dB and 32 dB respectively, and fitted with an FC connector. The mainframe includes a built-in optical power meter for additional in-field versatility.

Included in the sale:
• T-BERD 2000 Mainframe with built-in power meter
• Viavi 4126 LM SM OTDR Module (1310/1550 nm, 34/32 dB dynamic range, FC connector)
• Power adapter
• Protective bag
• Carry case
• Stylus (aftermarket)

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 last mile, access, and enterprise network installations and maintenance. The modular architecture allows different test modules to be inserted into the mainframe, making it a flexible and cost-effective tool for a wide range of fibre characterisation tasks.

The 4126 LM is a singlemode OTDR module from the Viavi 4100 Series, specifically designed for last mile (LM) fibre testing applications such as FTTx, PON, and access network deployments. It provides dual-wavelength testing capability and is well-suited for identifying faults, measuring splice and connector losses, and characterising short to medium fibre spans.

Key Specifications — Viavi 4126 LM SM OTDR Module:
Wavelengths: 1310 nm / 1550 nm
Dynamic Range: 34 dB (1310 nm) / 32 dB (1550 nm)
Connector: FC
Fibre Type: Singlemode
Application: Last mile / FTTx / access network testing

T-BERD 2000 Mainframe Features:
Built-in optical power meter
Compact and ruggedised field-portable housing
Compatible with multiple plug-in test modules
Intuitive graphical user interface with touchscreen/stylus 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.