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2. Power over Ethernet - Wikipedia

   en.wikipedia.org/wiki/Power_over_Ethernet

   Passive DC-to-DC injectors also exist which convert a 9 V to 36 V DC, or 36 V to 72 V DC power source to a stabilized 24 V 1 A, 48 V 0.5 A, or up to 48 V 2.0 A PoE feed with '+' on pins 4 & 5 and '−' on pins 7 & 8. These DC-to-DC PoE injectors are used in various telecom applications. [57]

3. TP-Link - Wikipedia

   en.wikipedia.org/wiki/TP-Link

   TP-Link was founded in 1996 by two brothers, Zhao Jianjun (赵建军 Zhào Jiànjūn) and Zhao Jiaxing (赵佳兴 Zhào Jiāxīng), to produce and market a network card they had developed. The company name was based on the concept of " twisted pair link" invented by Alexander Graham Bell , a kind of cabling that reduces electromagnetic ...

4. Power-over-fiber - Wikipedia

   en.wikipedia.org/wiki/Power-over-fiber

   Power-over-fiber, or PoF, is a technology in which a fiber-optic cable carries optical power, which is used as an energy source rather than, or as well as, carrying data. [1] [2] [3] This allows a device to be remotely powered, while providing electrical isolation between the device and the power supply.

5. Data link - Wikipedia

   en.wikipedia.org/wiki/Data_link

   A data link is a means of connecting one location to another for the purpose of transmitting and receiving digital information (data communication). It can also refer to a set of electronics assemblies, consisting of a transmitter and a receiver (two pieces of data terminal equipment ) and the interconnecting data telecommunication circuit .

6. IO-Link - Wikipedia

   en.wikipedia.org/wiki/IO-Link

   IO-Link is a short distance, bi-directional, digital, point-to-point, wired (or wireless), industrial communications networking standard (IEC 61131-9) used for connecting digital sensors and actuators to either a type of industrial fieldbus or a type of industrial Ethernet. [1]

7. 'Nothing more, nothing less': Writings show wandering path ...

   www.aol.com/news/nothing-more-nothing-less...

   From Maryland to Asia, murder suspect Luigi Mangione traversed the globe before CEO Brian Thompson was killed. His travels shed light on him.