FTP is 50 years old article tells: The 16th of April 1971 is not only the date when the Rolling Stone first released Brown Sugar, it is also marked with the publication of RFC 114 marking the birthday of FTP. Back in those days, the Vietnam war is at the forefront of the news, TCP/IP →
An audio multicore cable (often colloquially referred to as a multicore, snake cable or snake) is a thick cable which usually contains 4–64 individual audio cables inside a common, sturdy outer jacket. Audio multicore cables are used to convey many audio signals between two locations, such as in audio recording, sound reinforcement, PA systems and →
I saw today changes made to telecom infrastructure in Helsinki Finland. A huge arm thick telephone cable (800 ot 1000 pair according to installers) that was pulled out of cable pipe with help of excavator. It was being replaced with modern optical cable 192 fibers in it that the installers were pulling in. →
I have have had for many years Mastech MS6811 cable tester. This tester model seems to be still selling typically at 15-30 Euros price range (and sometimes at higher price). Besides Mastech brands it is sold with different brand names for example AXIOMET and Sinometer. The MS6811 is designed to detect the most common wiring →
NOYAFA NF-8209 Network Cable Tester is used to measure cable continuity. It enables the measurement of connection errors in UTP / STP twisted pairs. The device is manufactured by SHENZHEN NOYAFA TECHNOLOGY CO., LTD and sold with several different brand names. NF-8209 Main features： 1. Two scan modes selectable: AC filter & Non AC filter. →
Copper interconnections are easy but have speed limits and traditional fiber-optic cables don’t work well directly with the silicon chips. New hair-thin polymer ribbon was able to transmit data on three channels at a speed of 105 gigabit per second over polymer ribbon 30 centimeters long and 0.4 millimeter wide, with far greater energy-efficiency than →
Fiber maybe for some fastest backbone runs and longest runs properly protected and handled with proper care. But in many applications the main media is copper cable where the media selection is between unshielded (UTP) and shielded (STP) varieties. I have some copper comments on UTP vs STP. STP is nice in locations where good →
Here is maybe simplest power over Ethernet (PoE) powered LED Christmas light. This circuit provides powering of LED light string from IEEE 803.2af compatible standard power supply. On the up there is the IEEE 802.3af PoE power supply that feeds 48V DC power to RJ-45 connector when it detects a PoE needing device connected. I →
Uusiteknologia.fi is a Finnish language electronics and technology professionals magazine published on-line. In the newest issue have written articles on many high tech topics (text in Finnish with short introduction in English). Newest issue Uusiteknologia 2/2020 has just been published. I have written two articles to the newest issue. The front page article is about →
DELTACO USB3-GIGA5 is a USB 3.0 network adapter with internal flash memory, Gigabit, 1xRJ45, 1xUSB3.0 Type A ha, black. It is designed to allow you to connect a network cable to your device that has USB connector but lacks built-in network card with RJ45 jack. The installation is plug and play in Windows 7 and →