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RS232 To RS232 Repeater with Surge and 3-way Isolation Protection

Marsoni M251S
Sale price$120.00
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RS232 To RS232 Repeater with Surge and 3-way Isolation ProtectionThe STS 1921SI RS232 to RS232 Isolation Adapter is designed for your PC, workstation, thin client, or server to provide an instant isolation solution to the serial devices. The STS 1921SI equipped a female DB9 connector that can be connected to your PC. The RS232 port, configured as a DCE port, has a female DB9 connector with pins for all RS232 signals (TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI and GND) are isolated coupled to the male DB9 connector
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4.3 ★★★★★
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Verified Purchase
H. W.
Alexandria, US
★★★★★ 5
An Excllent Guide to Ancient China
Format: Kindle
Anyone who has even the slightest interest in ancient Chinese history will find at least part of this book enjoyable. Reasons for as much include dedicated research, engaging prose, and a commitment to ensuring all readers can access this work. This one is not to be missed!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2023
B
Bevan
Omaha, US
★★★★★ 4
....limited information about how the average person...
Format: Kindle
Coverage of the earliest period does (of necessity through lack of records?) encompass rather a lot of conjecture and assumptions. There's certainly a good coverage of the period - but it can become rather dry as it cycles through successive rulers. There's limited information about how the average person lived during the time covered. Tended to skim past extended descriptions of fairy tales of ancient beliefs and convictions. The book occasionally reverts to mentions of much later personalities (such as Freud) and comparing them to characters of ancient China!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 19, 2023
E
Verified Purchase
Emily
San Leandro, US
★★★★★ 1
Not worth the paper it’s printed on.
Format: Paperback
I can’t say that I was expecting such a slim volume on 10,000 years of Chinese culture to be a work of rigorous scholarship, but I also wasn’t expecting it to be quite *this* dreadful. It is badly written to the point of being unreadable, and it is clear that no one thought to edit the document before publication. I made it about twenty pages in before I had to put it down. The entire thing reads like an Anthropology 101 term paper written by a first semester college freshman who hasn’t quite figured out how to back up claims with evidence yet.
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Reviewed in the United States on May 30, 2026
K
Verified Purchase
Kelly Pfister
Fort Morgan, US
★★★★★ 5
Ancient China
Format: Kindle
Lots of interesting information on Ancient China that we wouldn't normally know about.
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Reviewed in the United States on June 8, 2023
J
Verified Purchase
Joshua J Hazeldine
Chelsea, US
★★★★★ 5
China
Format: Kindle
I enjoyed reading this book. I love history, especially ancient history and being able to learn more about such an ancient culture was amazing
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Reviewed in the United States on June 9, 2023

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