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Cisco

Cisco CVR-QSFP28-SFP25G | 25G adapter | QSFP28 to SFP28 (QSA28) | 25GbE pass-through | wavelength/reach: per SFP28 | connector: per SFP28

SKU:CVR-QSFP28-SFP25G

Stock Status: Enquire

Regular price $544.50 AUD
Regular price
$544.50 AUD
$544.50 AUD
Regular price
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Description

Form-factor converter that lets a QSFP28 100G port accept an SFP28 25G transceiver for single-lane 25GbE operation. Optical characteristics (wavelength, reach, connector) are determined by the inserted SFP28 module. Ideal for 25G migrations on 100G-capable hardware.

Features

- Enables 25GbE optics in QSFP28 ports
- Protects optics investment during 100G-to-25G transitions
- Tool-less, compact converter
- Pass-through electrical 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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FAQs

Technical Specifications

FAQs

Q: Does this enable 100G operation?
A: No. It provides single-lane 25GbE using an SFP28 module in a QSFP28 port.

Q: Is digital diagnostics (DOM) available?
A: DOM data is provided by the inserted SFP28 module when supported by the host device.

Q: Can I use SFP28 DAC/AOC cables?
A: Yes, when supported by the host platform and the specific SFP28 cable assembly.

Technical Specifications

- Host cage/interface: QSFP28 (100G slot)
- Module interface: SFP28 (25G transceivers)
- Supported data rate: 25 Gbps (single lane)
- Standards: 25GBASE variants per SFP28 used (e.g., SR, LR)
- Design: Mechanical/electrical pass-through; no optics in adapter
- Use case: Operate 25GbE optics or DAC/AOC from QSFP28 ports
- Operation note: Does not enable 100G; links at 25G with SFP28
- Platform note: Compatibility/features depend on host platform/software

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