Q: What is the maximum transmission distance of the Arista SFP-25G-ER?
A: The SFP-25G-ER supports distances of up to 40km over duplex single-mode fibre (SMF) using a 1310nm wavelength, making it suitable for extended campus and metropolitan network links.

Q: Is the SFP-25G-ER compatible with legacy 10G SFP+ optics?
A: Arista 25G SFP ports support 10G SFP+ optical modules; however, when connecting the SFP-25G-ER to fixed-rate 10G optics (such as 10G-LR), optical attenuation may be required to ensure the input power to the 10G module stays within its allowable limits.

Q: Does the SFP-25G-ER support Digital Optical Monitoring (DOM)?
A: Yes, it supports full DOM functionality, enabling real-time diagnostics including temperature, supply voltage, laser bias current, and transmit and receive optical power levels.

Q: Which Arista platforms is the SFP-25G-ER compatible with?
A: The SFP-25G-ER is designed for use in Arista network equipment with 25G SFP28 ports. For a full list of supported platforms and line cards, refer to the official Arista Transceiver and Cable Guide.

Q: Can I purchase the Arista SFP-25G-ER in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware specialist offering the Arista SFP-25G-ER with local sales support. Contact the team for pricing, availability, and volume enquiries.

Q: What warranty does the Arista SFP-25G-ER carry?
A: The SFP-25G-ER is covered by a 1-Year Limited Hardware Warranty including parts, repair, or replacement with a 10 business day turnaround. Optional Next Business Day and 4-Hour Advance Hardware Replacement support is also available.