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RS-232/422/485 To Fiber Converter, WDM-A 20KM, TX1310nm - RX1550nm, SC Connector

Marsoni M251S
Sale price$139.50
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RS-232/422/485 To Fiber Converter, WDM-A 20KM, TX1310nm - RX1550nm, SC ConnectorThe STF 300C WA20 provides a fiber converter solution to extend RS 232 or RS 422 RS 485 transmission distance up to 20km over single mode 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 WA20 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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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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4.8 ★★★★★
Based on 867 reviews
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Verified Purchase
Eileen
Carnegie, US
★★★★★ 5
Strong Chewer Friendly Toy
Style: Variety Pack - Large (3-pack)
My dog is a rough chewer and these last a really long time (clearly since this beaver's face is long gone! The no stuffing is a win too for cleaning up afterwards.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
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Verified Purchase
Neil Ginsberg
Battle Creek, US
★★★★★ 5
Fantastic Dog Toy!!!
Color: Purple
This is a great toy!!! My dog has lots of toys. But one of the problems is he has trouble getting the squeaker to squeak. He's an 18 lb terrier mix, and those squeakers are just elusive. Breaks my heart. This one, though, the squeakers (there are two) are in small areas (head and tail), that are easy for him to get his whole mouth around and squeak. They also don't move, which also makes them easy to squeak. So he's been squeaking up a storm since he got this! Other plusses: * The material is great (soft, furry material, that seems to be of good quality). * The toy expands and contracts, which is fun. * It's pleasant to look at. All in all, I'd say this is one of the best dog toys I've ever bought for my dog. Highly recommended!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2015
S
Verified Purchase
Shari O
Massapequa, US
★★★★★ 5
Great Toy in Spite of Everything.
Color: Purple
My dog is a border collie. She loves chewing, fetching, tug of war and catch. The first day we had this toy she chewed off two of the feet. I didn't give it much of a life span. Two weeks later she chewed off a third foot. Miraculously no stuffing was exposed. It has now been a month and the toy is still going strong, albeit with one foot! She loves it. It is now June 1st. It has been almost three months and I am retiring the toy. It no longer has any feet and the tail has been ripped open and stuffing is coming out. All in all I think I got my money's worth from this toy. I ordered another one. She still loves it!
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Reviewed in the United States on March 29, 2014
L
Verified Purchase
lynette Lane
Cuba, US
★★★★★ 5
Toys
Color: Orange
My dog loves this
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Reviewed in the United States on June 5, 2026
K
Verified Purchase
KEB
Chelsea, US
★★★★★ 4
Awesome, but not the best squeakers.
Color: Purple
I bought the orange gecko for my 5-month-old Corgi puppy. He absolutely loves it. He came up with a "game" (sort of) where if I pick it up and start squeaking one of the ends/squeakers really quickly over and over, he'll grab the other end/squeaker and start doing the same thing with me. It was really cute until one of the squeakers stopped working about a week after I bought it... but I guess the toy wasn't too expensive, and he doesn't really seem to mind that one of the squeakers doesn't work anymore. I might buy another next time I do an Amazon order (so I can get the free shipping) and see if it lasts a little longer.
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Reviewed in the United States on August 2, 2013

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