• Silver-colored Arista SFP-25G-LR-E 25G SFP28 single-mode transceiver modules with blue handles and metallic connectors
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Arista

Arista SFP-25G-LR-E | 25G SFP28 Transceiver, Single-Mode, 10km, 1310nm, LC

Arista SFP-25G-LR-E | 25G SFP28 Transceiver, Single-Mode, 10km, 1310nm, LC

SFP-25G-LR-E

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Description

The Arista SFP-25G-LR-E is a 25GBASE-CLR SFP28 optical transceiver engineered for single-mode fibre (SMF) deployments requiring flexible reach options. It supports up to 2km without FEC for latency-sensitive, high-performance applications, or up to 10km with FEC enabled — making it ideal for data centre interconnects, enterprise campus backbones, and spine-leaf fabric links operating at 25 Gbps. The 1310nm wavelength and duplex LC interface ensure broad compatibility with standard SMF infrastructure.

Digital Optical Monitoring (DOM) provides real-time visibility into link health, including temperature, voltage, and optical power levels. The hot-swappable SFP28 form factor is compliant with SFP28 MSA standards and is compatible with Arista SFP25 platforms. RoHS compliant for environmentally responsible deployments. Buy today from iptrading.com.au — fast shipping and expert service across Australia.

Features

- Dual-reach capability: 2km (no FEC, low latency) or 10km (with FEC) over single-mode fibre
- Hot-swappable SFP28 form factor for minimal disruption during maintenance
- 1310nm transmitter wavelength compatible with standard SMF cabling plant
- Digital Optical Monitoring (DOM) for real-time diagnostics on temperature, voltage, and optical power
- Low-latency operation without FEC — ideal for HFT, financial, and performance-critical workloads
- Compatible with Arista SFP25 platform ports
- SFP28 MSA compliant for broad interoperability
- RoHS compliant for environmentally responsible procurement

Warranty

Arista hardware products come with a 1-year limited hardware warranty, covering defects in materials and workmanship under normal use.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Arista products. Contact our team to explore options that align with your organisation's needs.
https://www.arista.com/assets/data/pdf/Warranty.pdf

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- Data Rate: 25 Gbps
- Form Factor: SFP28
- Standard: 25GBase-CLR
- Fiber Type: Single-Mode Fiber (SMF)
- Wavelength: 1310nm
- Connector Type: Duplex LC
- Reach: Up to 2km over SMF without FEC (low latency mode)
- Reach: Up to 10km over SMF with FEC enabled
- Digital Optical Monitoring (DOM / DDM): Supported
- Operating Temperature: 0°C to 70°C
- Compliance: SFP28 MSA, RoHS

FAQs

Q: What is the maximum reach of the Arista SFP-25G-LR-E?
A: The SFP-25G-LR-E supports up to 2km over single-mode fibre without FEC, or up to 10km over SMF when Forward Error Correction (FEC) is enabled. The no-FEC mode is recommended for latency-sensitive applications where minimising processing delay is critical.

Q: What platforms is the SFP-25G-LR-E compatible with?
A: This transceiver is designed for Arista SFP25 (25G) platform ports and is compliant with the SFP28 MSA standard. It is intended for use in Arista switches and routers that support 25G SFP28 interfaces.

Q: Does the SFP-25G-LR-E support Digital Optical Monitoring (DOM)?
A: Yes, the SFP-25G-LR-E supports DOM (also known as DDM), allowing network administrators to monitor real-time parameters such as optical transmit and receive power, supply voltage, laser bias current, and module temperature directly from the switch CLI.

Q: Is this transceiver suitable for low-latency environments such as financial trading networks?
A: Yes. When FEC is disabled, the SFP-25G-LR-E operates in a low-latency mode suitable for applications where microsecond-level latency matters, such as high-frequency trading, real-time analytics, or HPC interconnects — provided the link distance does not exceed 2km.

Q: What fibre and connector type does the SFP-25G-LR-E require?
A: The SFP-25G-LR-E uses a duplex LC connector and requires single-mode fibre (SMF). It is not compatible with multi-mode fibre. Ensure your patch panels and trunk cables are OS2 single-mode for best performance.

Q: Can I purchase the Arista SFP-25G-LR-E in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware reseller supplying Arista transceivers with fast domestic shipping and expert pre-sales support. Contact our team for volume pricing, compatibility advice, or deployment assistance.

Datasheet

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