25G SFP28 SR

Vitex Part #: VS-25SR1IS-AA

Vitexâ€™s VS-25SR1IS-AA is a high-performance optical transceiver. They are compliant with SFF-8431, and SFF-8472, providing a fast and reliable interface for 25G Ethernet applications. The product implements digital diagnostics via a 2-wire serial bus and is compliant with the SFF-8472 standard.

Features
Specifications
Applications
FAQs

100m over OM4 MMF 70m over OM3 MMF VCSEL Laser and PIN receiver Metal enclosure, for lower EMI 2-wire interface with integrated Digital Diagnostic monitoring Hot-pluggable
SFP28 footprint Build-in dual CDR Single 3.3V power supply
Power dissipation < 1.2 W Operating temperature range: (Industrial) -40 Â°C to 85 Â°C Compliant with SFF-8472 & 8431 RoHS Compliant

Form Factor	SFP28
Data Rate	25G
Wavelength	850nm
Distance	<100m
Connector	LC Duplex
Protocol	Ethernet
Temperature	Industrial (-40–85°C)

Enterprise Networking Storage Area Networks (SAN) Top-of-Rack (ToR)

Q: What does "Industrial Temperature" mean for this SFP28? A: It operates from -40°C to 85°C, making it suitable for unconditioned outdoor cabinets and cell towers.

Q: Is this 25G module backward compatible with 10G? A: Most 25G SR modules are dual-rate capable (10G/25G), but this depends on the host switch port settings.

Q: What fiber type is recommended? A: OM4 Multimode fiber is recommended for the full 100m reach (OM3 is limited to ~70m).

Q: Does it support CPRI? A: Yes, it supports CPRI Option 10 for 5G fronthaul applications.

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Testimonials - What Our Customers Say

I have never experienced a quality problem with anything from Vitex customer service. Inquiries are answered promptly and accurately. I can rely on what Vitex tells me.

Tom A.

Director, PLM at a tier 1 communication network company

Transceivers worked as expected. Very good value.

Stephen W.

I had a good experience with customer service. Their engineer helped me out with some technical questions and recommended the right product. Highly recommend your company to all my co-workers.

Mathieu G.

Canada

Great Customer Service. Good on time delivery.

Kimberly D.

Buyer at a large defense contractor

As a developer of medical systems, we are required to comply with EMC standards for medical devices. Vitex devices met this requirement every time we tested them. The other devices we tested did not even come close.

Jon

Engineering Manager at a leading medical systems company

You're the best, thanks a bunch to Vitex!

Jeni D.

Buyer at a leading video surveillance solutions provider

Thank you all so much for all you have done for our company with its very needed products. No returns, none of your competition can beat that record!!

Gail E.

Buyer at a leading video security company

I am using the transceivers in our network. Impressed with their BER performance.

Eli L., CA

Thank you for your quick response and friendly service.

Wayne M.

Partner at a leading Pro AV design company

Tested & Validated

Built For Real Deployment Environments

Every Vitex optical product undergoes optical testing, interoperability validation, and system-level verification to ensure performance, reliability, and long-term availability in production networks.

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