Condition: Used — In working condition. The battery is noted as a little suspect, hence reduced price.

The Viavi JDSU MTS 4000 is a compact, touchscreen OTDR mainframe fitted with the JDSU 4126 MA SM module, providing dual-wavelength single-mode fibre testing at 1310 nm and 1550 nm with dynamic ranges of 37 dB and 35 dB respectively and a maximum range of 260 km. The mainframe includes an integrated Power Meter and Visual Fault Locator (PM VFL). The SC-APC connector interface makes it suitable for APC-terminated fibre networks.

Included in the sale:
• JDSU MTS 4000 Mainframe — Touchscreen with PM VFL
• JDSU 4126 MA SM OTDR Module (1310/1550 nm, 37/35 dB, SC-APC, 260 km range)
• AC Power Adapter
• Carry Bag
• Stylus

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) MTS 4000 is a modular, portable OTDR mainframe designed for field technicians performing installation, maintenance, and troubleshooting of optical fibre networks. Its touchscreen interface and lightweight design make it well suited to demanding field environments, while the modular architecture allows different test modules to be fitted depending on the application.

The JDSU 4126 MA SM module provides high-performance single-mode OTDR capability, enabling accurate measurement of fibre loss, splice loss, reflectance, and fault location across long-haul and metro networks. The integrated Power Meter and Visual Fault Locator (PM VFL) in the mainframe further extend its utility for everyday fibre testing tasks.

Key Specifications (JDSU 4126 MA SM Module):
Wavelengths: 1310 nm / 1550 nm
Dynamic Range: 37 dB (1310 nm) / 35 dB (1550 nm)
Connector Interface: SC-APC
Maximum Measurement Range: 260 km
Fibre Type: Single-mode

MTS 4000 Mainframe Features:
Display: Colour touchscreen
Integrated Power Meter: Yes
Integrated Visual Fault Locator (VFL): Yes
Form Factor: Portable, field-deployable
Power: AC adapter and rechargeable battery

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.