Arista Networks XVR-0071-01 QSFP-40G-UNIV 1310nm 40GB QSFP+ Optical Transceiver – Refurb

The Arista Networks XVR-0071-01 QSFP-40G-UNIV Optical Transceiver is a high-performance, dual-mode module engineered to deliver seamless 40 Gigabit Ethernet connectivity over both multimode (MMF) and single-mode fibre (SMF). Operating at a wavelength of 1310nm with CWDM4 DFB transmitters and PIN receivers, this transceiver provides flexible deployment options while maintaining exceptional stability, signal integrity, and efficiency across medium and long-range network links.

Designed for high-density environments such as modern data centres and enterprise core networks, this hot-swappable QSFP+ module supports Digital Optical Monitoring (DOM), enabling real-time diagnostics for laser performance, temperature, and voltage. Fully compliant with IEEE 802.3ba and MSA standards, it guarantees interoperability and reliability within existing infrastructure.

✔ Key Features & Benefits

✔ Universal Fibre Compatibility – Supports both SMF and MMF, reducing inventory and simplifying network planning
✔ 40G High-Speed Connectivity – Ensures rapid data transmission for core and aggregation layer applications
✔ 1310nm CWDM4 Optics – Provides stable and efficient optical performance for distances up to 1km on SMF
✔ Hot-Swappable Design – Enables installation and replacement without network downtime
✔ Digital Optical Monitoring (DOM) – Allows real-time monitoring of optical parameters for proactive maintenance

✔ Ideal Uses

✔ Data centre backbone and aggregation layer connections
✔ High-speed core-to-distribution Ethernet links
✔ Long-range 40G fiber deployments up to 1km
✔ Environments requiring flexible use of MMF and SMF fibre types

✔ Specifications

✔ Condition: Refurbished device with minor scratches and scuffs. Device has been extensively tested and is fully functional.
✔ Brand / Model: Arista Networks Compatible – XVR-0071-01 / QSFP-40G-UNIV
✔ Form Factor: QSFP+
✔ Max Data Rate: 41.2Gbps (4 × 10.3Gbps channels)
✔ Wavelength: 1310nm
✔ Maximum Distance: 150m (OM3 MMF), 1km (SMF)
✔ Connector Type: Duplex LC/UPC
✔ Supported Fibre Type: SMF / MMF
✔ Transmitter Type: CWDM4 DFB
✔ Receiver Type: PIN
✔ TX Power Range: MMF: -7 to 4.3 dBm / SMF: -10 to 2.3 dBm
✔ Receiver Sensitivity: MMF: < -10 dBm / SMF: < -13.7 dBm
✔ Receiver Overload: MMF: 4.3 dBm / SMF: 2.3 dBm
✔ Power Budget: MMF: 3.5 dB / SMF: 0.5 dB
✔ Extinction Ratio: > 3.5 dB
✔ Power Consumption: ≤ 3.5W
✔ Modulation Format: NRZ
✔ Protocols Supported: 40G Ethernet, IEEE 802.3ba, MSA Compliant
✔ Temperature Range: 0°C to 70°C
✔ Warranty: 1 Month Carry-in Warranty
✔ What’s in the Box: 1 × Arista QSFP-40G-UNIV Compatible Optical Transceiver