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

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

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

SFP-25G-LR

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Description

The Arista SFP-25G-LR is a hot-pluggable 25G SFP28 optical transceiver delivering 25GBASE-LR connectivity at 25.78 Gbps over duplex single-mode fibre at 1310nm wavelength. Designed for enterprise and data centre deployments requiring reliable 25G links at distances up to 10km, it conforms to IEEE 802.3cc and SFP28 MSA standards, ensuring broad interoperability with IEEE-compliant 25G interfaces.

Built-in Digital Diagnostic Monitoring (DDM/DOM) enables real-time visibility into optical parameters such as temperature, voltage, and transmit/receive power, simplifying network operations and fault isolation. The transceiver uses a 1310nm DFB laser transmitter and PIN photo-detector over 9/125µm SMF G.652 fibre with duplex LC connectors, consuming less than 3.3W from a single 3.3V supply. RoHS compliant and Class 1 laser certified. Need it fast? iptrading.com.au delivers across Australia — shop now.

Features

- Hot-pluggable SFP28 form factor for tool-free installation
- 25GBASE-LR 25G Ethernet over duplex single-mode fibre up to 10km
- 1310nm DFB laser transmitter with PIN photo-detector receiver
- Built-in Digital Diagnostic Monitoring (DDM/DOM) for real-time optical status
- SFF-8472 compliant 2-wire serial interface with integrated digital diagnostics
- IEEE 802.3cc and SFP28 MSA compliant for broad interoperability
- Single 3.3V power supply with < 3.3W power consumption
- RoHS compliant and Class 1 laser product (EN 60825-1 certified)
- Compatible with IEEE-compliant 25G SFP28 interfaces across vendors

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

- Form Factor: SFP28 (SFP28 MSA compliant)
- Data Rate: 25.78 Gbps (supports 10 Gb/s to 28 Gb/s)
- Standard: 25GBASE-LR, IEEE 802.3cc
- Wavelength: 1310nm (DFB transmitter, PIN photo-detector)
- Maximum Reach: Up to 10km over duplex Single-Mode Fibre (SMF)
- Fibre Type: 9/125µm SMF G.652
- Connector Type: Duplex LC
- Power Consumption: < 3.3W
- Power Supply: 3.3V single supply
- Operating Temperature: 0°C to +70°C (commercial)
- Digital Diagnostic Monitoring (DDM/DOM): Yes (SFF-8472 compliant)
- Compliance: SFP28 MSA, SFF-8431, SFF-8472, IEEE 802.3cc, RoHS, EN 60825-1 (Class 1 Laser)

FAQs

Q: What fibre type and connector does the Arista SFP-25G-LR require?
A: The SFP-25G-LR requires 9/125µm single-mode fibre (SMF G.652) with duplex LC connectors. It is not compatible with multimode fibre.

Q: What is the maximum transmission distance of the SFP-25G-LR?
A: The transceiver supports a maximum reach of up to 10km over duplex single-mode fibre at 1310nm wavelength, making it suitable for campus and inter-building data centre links.

Q: Does the Arista SFP-25G-LR support Digital Diagnostic Monitoring?
A: Yes. The SFP-25G-LR features built-in DDM/DOM (SFF-8472 compliant), allowing network operators to monitor real-time optical parameters including temperature, supply voltage, bias current, and transmit/receive optical power.

Q: Is the SFP-25G-LR compatible with non-Arista switches?
A: The transceiver is compliant with SFP28 MSA, SFF-8431, and IEEE 802.3cc standards, enabling interoperability with any IEEE-compliant 25G SFP28 interface. Compatibility with third-party platforms should be verified against the specific switch's supported optics list.

Q: What data rates does the Arista SFP-25G-LR support?
A: The SFP-25G-LR operates at 25.78 Gbps and is designed to support data rates from 10 Gb/s to 28 Gb/s, covering standard 25GBASE-LR Ethernet applications.

Q: Can I purchase the Arista SFP-25G-LR through IP Trading in Australia?
A: Yes. IP Trading is an Australian B2B IT hardware reseller stocking Arista optics modules including the SFP-25G-LR. Orders are dispatched across Australia with fast local delivery. Contact the team at iptrading.com.au for availability and pricing.

Datasheet

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