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Arista

Arista OSFP-8X25-MR-LR | 200G OSFP Transceiver, Dual-Rate 8x25G/10G-LR, 2km

SKU:OSFP-8X25-MR-LR

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Description

The Arista OSFP-8X25-MR-LR is a dual-rate 200G OSFP optical transceiver designed for high-speed data centre interconnects. Supporting both 8x 25GBASE-LR and 8x 10GBASE-LR configurations over parallel single-mode fibre up to 2km, this module offers flexible deployment options for 200G Ethernet links. With MPO-16 APC connectivity and NRZ modulation, it enables seamless breakout to legacy 100G QSFP and 25G SFP ports while delivering reliable performance in modern OSFP-capable switching platforms.

Features

Dual-rate operation supporting 8x 25GBASE-LR or 8x 10GBASE-LR configurations
- 200G aggregate bandwidth in 25G mode, 80G in 10G mode
- Up to 2km transmission distance over parallel single-mode fibre
- 8-lane NRZ modulation for compatibility with 25G and 10G Ethernet standards
- MPO-16 APC connector for low-loss, high-density parallel fibre connections
- Breakout capability for interoperability with 100G QSFP and 25G SFP legacy ports
- OSFP form factor with 8 electrical lanes for high-bandwidth density
- Hot-pluggable for seamless installation and replacement
- Digital diagnostics monitoring (DDM) via I2C interface for temperature, voltage, and optical power
- Standards-compliant with IEEE 802.3 25GBASE-LR and 10GBASE-LR specifications
- Optimized for Arista EOS platforms with native support and configuration tools
- Low power consumption for efficient data centre operations
- RoHS compliant and environmentally friendly design

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

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

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Technical Specifications

FAQs

Technical Specifications

Form Factor: OSFP (Octal Small Form-factor Pluggable)
- Data Rate: Dual-rate 200G (8x 25G NRZ) or 80G (8x 10G NRZ)
- Wavelength: 1310nm (25GBASE-LR/10GBASE-LR)
- Connector Type: MPO-16 APC (Angled Physical Contact)
- Fibre Type: Parallel single-mode fibre (SMF)
- Maximum Reach: Up to 2km over parallel SMF
- Electrical Interface: 8 electrical lanes, 25Gb/s or 10Gb/s NRZ per lane
- Modulation Format: NRZ (Non-Return-to-Zero)
- Port Configuration: Requires OSFP port configured for 200G using 8x 25G NRZ electrical lanes
- Optical Channels: 8 independent optical channels on parallel fibre
- Standards Compliance: IEEE 802.3 25GBASE-LR and 10GBASE-LR compatible
- Management Interface: I2C/I3C serial interface for configuration and monitoring
- Operating Temperature: Commercial temperature range (0°C to 70°C typical)

FAQs

Q: What network equipment is compatible with the OSFP-8X25-MR-LR?
A: This transceiver is designed for Arista switches with OSFP ports, including 400G-capable platforms like the 7800R3 and 7280R3 series. The OSFP port must be configured for 200G operation using 8x 25G NRZ electrical lanes to utilize this module.

Q: Can this transceiver break out to lower-speed ports?
A: Yes, the OSFP-8X25-MR-LR supports breakout configurations, allowing interoperability with legacy 100G QSFP-28 and 25G SFP28 ports using appropriate breakout cabling and switch configuration. Each of the 8 lanes can operate independently at 25G or 10G.

Q: What is the difference between 25GBASE-LR and 10GBASE-LR modes?
A: The transceiver is dual-rate capable: in 25GBASE-LR mode, it delivers 200G total bandwidth (8x 25G lanes) at up to 2km, while in 10GBASE-LR mode it provides 80G total bandwidth (8x 10G lanes) at the same distance. The switch port configuration determines the operating mode.

Q: What type of fibre cable is required?
A: This module requires parallel single-mode fibre (SMF) with an MPO-16 connector. The MPO-16 APC (Angled Physical Contact) interface provides low insertion loss and back reflection for reliable long-reach transmission over 8 parallel fibres.

Q: Is this transceiver suitable for data centre spine-leaf architectures?
A: Yes, the OSFP-8X25-MR-LR is ideal for data centre spine-leaf deployments requiring 200G connectivity over distances up to 2km between floors or buildings. Its dual-rate capability also supports gradual migration from 10G infrastructure to 25G per lane speeds.

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