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Description
FWLF-1631-28 Finisar Coherent® Compatible Transceiver DWDM Ch28 SFP 2.7GBase (1554.94nm, SMF, 100km, LC, DOM)FWLF 1631 28 Finisar Coherent Compatible Transceiver DWDM Ch28 SFP 2. 7GBase (1554. 94nm, SMF, 100km, LC, DOM) ATGBICS Finisar Coherent Compatible FWLF 1631 28 SFP+ 2. 7GBase DWDM form factor network transceiver supports a distance of up to 100km over single mode fibre (SMF) using a wavelength of 1554. 94nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present
FWLF-1631-28 Finisar Coherent® Compatible Transceiver DWDM Ch28 SFP 2.7GBase (1554.94nm, SMF, 100km, LC, DOM)
ATGBICS Finisar Coherent® Compatible FWLF-1631-28 SFP+ 2.7GBase-DWDM form factor network transceiver supports a distance of up to 100km over single-mode fibre (SMF) using a wavelength of 1554.94nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present enabling real-time monitoring of the parameters of the fibre optic transceiver.
Our product meets the specification of Finisar Coherent® FWLF-1631-28 and we proudly offer a compatibility guarantee and limited lifetime warranty. Our rigorously tested products record a unique traceable serial number and are fully compliant with all MSA (Multi-Source Agreement) and IEEE standards & protocols.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Looks good feels good
Size: 13 Wide, Color: Black
I've had them 2 weeks and love them. Took a little breaking in but they feel great now.
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Reviewed in the United States on April 8, 2026
★★★★★ 4
Very narrow
Size: 10 Wide, Color: Cognac
Run narrow. For very narrow feet. Wide width fits like a regular width.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Comfortable Shoes Right Out of the Box
Size: 9, Color: Black
I bought these shoes for my husband. He has a very hard time finding quality, comfortable shoes. These shoes are just as comfortable as his New Balance. He uses them as a dress shoe and wears them at least once a week. There was no break in period necessary. They were comfortable right out of the box! The only thing we didn't like was the white sole color. Once I knew he was going to keep them, I used a black sharpie marker to color the soles black. Instant amazing, comfortable dress shoes. They were well worth the cost. If you or your SO needs a comfortable pair of shoes, we highly recommend them.
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Reviewed in the United States on September 2, 2025