The JDSU JSH-21S3AB3 is a genuine JDS Uniphase (JDSU) SFP transceiver, a 2Gbps short-wavelength 850nm 1000BASE-SX module with digital diagnostic monitoring (DDM), from the same JSH-2xxxx family as the JDSU-tagged JSH-21L3AR3 catalogued alongside it in this range. It installs directly into a standard SFP cage on a compatible switch or router for a Gigabit Ethernet or 2Gb Fibre Channel link over multimode fibre, with the DDM feature giving real-time visibility of transmit/receive power and temperature for fault diagnosis. Transceivers of this generation remain in routine service, and genuine spares are a standard requirement for maintaining port capacity or restoring redundancy. Confirm the host platform’s supported-transceiver list before ordering. Tech-Star (UK-based, shipped worldwide) supplies optical transceivers to support ongoing network maintenance projects. Please contact our sales team for current stock and pricing.
Worldwide supply. We export new and refurbished telecoms and networking equipment internationally. International buyers welcome, request a delivered quote in your currency. Supply subject to export checks.
Frequently asked questions
Is the JDSU JSH-21S3AB3 refurbished or new?
Tech-Star supplies both new and refurbished JDSU JSH-21S3AB3. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the JDSU JSH-21S3AB3?
Refurbished JDSU JSH-21S3AB3 comes with a 90-day parts and labour warranty as standard. Extended warranty options are available on request.
How do I get a price for the JDSU JSH-21S3AB3?
Pricing reflects current stock and lead time, so we quote per enquiry. Submit the part number through the contact form for a quote, typically within one business hour.
Can the JDSU JSH-21S3AB3 be returned?
Returns are accepted within 14 days of delivery in line with our return policy. A restocking fee may apply for opened items.
How quickly can the JDSU JSH-21S3AB3 be delivered?
Lead time depends on current stock. UK-based items typically ship the next business day; sourced items vary. We confirm lead time at quote.