Condition: Used — Mainframe in very good condition; the E81165C OTDR module is new, only used for testing purposes. Please note that we have multiple units in stock, and the images presented are of one of them, therefore the cosmetic condition of the exact item you will receive may slightly differ.

This listing comprises the Viavi MTS 6000A V2 mainframe paired with the E81165C 1650 nm filtered/in-service OTDR module, offering 46 dB dynamic range. The module supports live, in-service fibre testing at 1650 nm as well as standard 1310 nm and 1550 nm wavelengths through a single connector port. The mainframe includes built-in power meter, talkset, and visual fault locator (VFL).

Included in the sale:
• MTS 6000A V2 mainframe with built-in power meter, talkset, and VFL
• E81165C 1650 nm live/in-service/filtered OTDR module (46 dB)
• Power adapter
• Soft protective carry case
• Stylus

Please note that we have multiple units in stock, and the images presented are of one of them, therefore the cosmetic condition of the exact item you will receive may slightly differ.

8100-Series OTDR EVO Modules for T-BERD/MTS-6000A and MTS-8000 Platforms — VIAVI Solutions

The VIAVI Solutions 8100-Series OTDR EVO family transforms fibre testing by enabling comprehensive single-mode and multimode fibre characterisation for commissioning, network upgrades, and troubleshooting. The family supports workflow optimisation and accurate fibre-link fingerprinting across a wide range of deployment scenarios.

The E81165C module is a 1650 nm filtered/in-service OTDR designed for live network environments, providing automatic traffic detection and in-service testing capability without risking interference to live signals.

Key Features:
Dynamic Range: Up to 46 dB (E81165C), up to 50 dB across the wider family
Wavelengths: 1310 nm, 1550 nm, and 1650 nm (in-service/filtered) via single connector port
PON Testing: Optimised to test through a 1x128 splitter
Integrated Tools: CW light source and broadband power meter (single-mode wavelengths)
FiberComplete™: Available for automated bidirectional OTDR, IL, and ORL measurements
Multimode Source: Built-in encircled flux source compliant with IEC 61280-1-4 and TIA-526-14-B
Dead Zone Performance: Industry-leading, enabling full event characterisation on fibre links as close as 2 m apart
Traffic Detection: Instantaneous, automatic traffic detection to avoid live signal interference or optical transmitter damage
Smart Link Mapper (SLM): Eliminates OTDR interpretation errors without compromising test time
Measurement Accuracy: Reduces event loss measurement uncertainty and improves repeatability

The MTS 6000A V2 mainframe provides a rugged, portable platform with integrated power meter, visual fault locator (VFL), and talkset, making it a comprehensive one-port field test solution for fibre network engineers.

VIAVI 8100 Series OTDR EVO Modules Datasheet (includes E81165C specifications): Download PDF

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.