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RS-232/422/485 To Fiber Converter, WDM-B Tx:1550nm/Rx:1310nm MMF 2km , SC Connector
RS-232/422/485 To Fiber Converter, WDM-B Tx:1550nm/Rx:1310nm MMF 2km , SC Connector
RS-232/422/485 To Fiber Converter, WDM-B Tx:1550nm/Rx:1310nm MMF 2km , SC Connector
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RS-232/422/485 To Fiber Converter, WDM-B Tx:1550nm/Rx:1310nm MMF 2km , SC Connector

Marsoni M251S
Sale price$137.00
Pay 4 payments of $34.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
RS-232/422/485 To Fiber Converter, WDM-B Tx:1550nm/Rx:1310nm MMF 2km , SC ConnectorThe STF 300C WB M provides a fiber converter solution to extend RS 232 or RS 422 RS 485 transmission distance up to 2km over Multimode fiber (WDM). The converter is equipped with multiple interface circuits, for connection to RS 232, RS 423, or RS 422 485 (2 or 4 wire). The STF 300C WB20 secures data transmission over EMI resistant fiber at speeds up to 256kbps for RS 232 or up to 1024kbps for RS 422 485.
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  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
Based on 950 reviews
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Product Reviews
J
Verified Purchase
Janet
Los Angeles, US
★★★★★ 5
Recommended by my M.D.
Size: 1.46 Pound (Pack of 1)
My M.D. told me to use this daily. It tastes a bit like "Tang" but that's fine. The fiber is good for regular bowel movements, but it also gives you a feeling of fullness which is helpful in reducing hunger sensations. So, it can help with weight loss. Be sure you get the sugar-free.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
D
Verified Purchase
Dawn
Charlottesville, US
★★★★★ 5
Daily use works great
Size: 1.46 Pound (Pack of 1)
Great with a bottle of water it will help the bloating feeling
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
M
Verified Purchase
Merejomotion
Louisville, US
★★★★★ 4
Metamucil in power no suggar
Size: 1.46 Pound (Pack of 1)
this is a good product i have been using for a while.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
S
Verified Purchase
sebastian
Grantham, US
★★★★★ 5
Great stuff
Size: 1.46 Pound (Pack of 1)
Second purchase, still loving it. Great taste and works exactly like it should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
M
Verified Purchase
Mel M
Cuba, US
★★★★★ 5
Does the job
Size: 1.46 Pound (Pack of 1)
Love the taste and great for digestive system. They recommend doing a 14 day challenge so tried it was presently surprised with bloating, regularity and glad to be getting needed fiber. Also had elevated cholesterol so hoping this helps as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026

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