Condition: Used

The Viavi OTU-5000 EOTDR2-L-A1-COTU OUT OF BAND C+L OTDR is a medium-range remote fibre monitoring unit operating at 1625 nm out-of-band, allowing continuous OTDR testing of live C+L band network fibres without interrupting traffic. Fitted with an LC/APC connector interface, this unit is designed for rack-mounted deployment in network monitoring environments.

Included in the sale:
• Viavi OTU-5000 EOTDR2-L-A1-COTU unit as pictured

No additional accessories are included.

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 OTU-5000 Optical Test Unit combines optical time-domain reflectometry (OTDR) and optical-switch technology to provide continuous OTDR monitoring of multiple fibres anywhere in the network. Designed for network operators and service providers, the OTU-5000 delivers automated, remote fibre monitoring in an exceptionally compact rack-mounted form factor — enabling faster fault detection, reduced operational costs, and proactive network maintenance.

The EOTDR2-L-A1-COTU module operates at 1625 nm out-of-band, making it suitable for monitoring live C+L band fibres without service disruption. A single OTU-5000 unit can monitor up to 72 fibres of 100 km and more within just 1RU of rack space.

The OTU-5000 is compatible with Viavi ONMSi and SmartOTU software platforms, enabling rapid fault localisation and automated reporting across large fibre networks.

Key Specifications:
Module Type: EOTDR2-L-A1-COTU
Wavelength: 1625 nm (out-of-band)
Network Type: C+L band live fibre monitoring
Range: Medium range (up to 100 km+)
Connector: LC/APC
Form Factor: 1RU rack-mounted
Fibre Capacity: Up to 72 fibres per unit
Software Compatibility: Viavi ONMSi, SmartOTU
Application: Automated remote OTDR fibre monitoring

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.