The cable is actually a crossover cable, it swaps all receive and transmit lanes e.g. 2Thunderbolt 4: 4× PCI Express 3.0, DisplayPort 2.0, USB4This is the pinout for both sides of the connector, source side and sink side. Thunderbolt 3: 40 Gbit/s bidirectional, 80 Gbit/s one wayThunderbolt 1: 4× PCI Express 2.0, DisplayPort 1.1a Thunderbolt 2: 4× PCI Express 2.0, DisplayPort 1.2Thunderbolt 3: 4× PCI Express 3.0, DisplayPort 1.2 (2 streams), USB 3.1 gen. CalDigit's T4 can be had for 799 for.Up to six peripherals may be supported by one connector through various topologies. Thunderbolt combines PCI Express (PCIe) and DisplayPort (DP) into two serial signals, and additionally provides DC power, all in one cable. It was initially marketed under the name Light Peak, and first sold as part of an end-user product on 24 February 2011. It has been developed by Intel, in collaboration with Apple.
![]() When connected to a DP-compatible device, the Thunderbolt port can provide a native DisplayPort signal with four lanes of output data at no more than 5.4 Gbit/s per Thunderbolt lane. Thunderbolt is interoperable with DP-1.1a compatible devices. A single Mini DisplayPort monitor or other device of any kind may be connected directly or at the very end of the chain. A single Thunderbolt port supports up to six Thunderbolt devices via hubs or daisy chains as many of these as the host has DP sources may be Thunderbolt monitors. Apple registered Thunderbolt as a trademark, but later transferred the mark to Intel, which held overriding intellectual-property rights. However, it was discovered that conventional copper wiring could furnish the desired 10 Gbit/s per channel at lower cost.This copper-based version of the Light Peak concept was co-developed by Apple and Intel. It was initially marketed under the name Light Peak, and after 2011 as Silicon Photonics Link. The interface was originally intended to run exclusively on an optical physical layer using components and flexible optical fiber cabling developed by Intel partners and at Intel's Silicon Photonics lab. Thunderbolt can be implemented on PCIe graphics cards, which have access to DisplayPort data and PCIe connectivity, or on the motherboard of new computers with onboard video, such as the MacBook Air. Hookup 2 Hard Drives For Raid Plus LAN AndJason Ziller, head of Intel's Optical I/O Program Office showed the internal components of the technology under a microscope and the sending of data through an oscilloscope. The system was driven by a prototype PCI Express card, with two optical buses powering four ports. History Introduction Intel introduced Light Peak at the 2009 Intel Developer Forum (IDF), using a prototype Mac Pro logic board to run two 1080p video streams plus LAN and storage devices over a single 30-meter optical cable with modified USB ends. ![]() See comparison section below.Intel and industry partners are still developing optical Thunderbolt hardware and cables. The final Thunderbolt standard specifies 10 W DC on every port. A major advantage of copper is the ability to carry power. "The copper came out very good, surprisingly better than what we thought," he said. Cables in multiple knots to make sure it didn't break and the loss is acceptable," and, "You can almost get two people pulling on it at once and it won't break the fibre." They predicted that "Light Peak cables will be no more expensive than HDMI." In January 2011, Intel's David Perlmutter told Computerworld that initial Thunderbolt implementations would be based on copper wires. And piggyback on USB 3.0 or 4.0 DC power." Light Peak aimed to make great strides in consumer-ready optical technology, by then having achieved " for 7,000 insertions, which matches or exceeds other PC connections . However, those cables are retailed almost exclusively in Japan, and the price is 20 to 30 times higher than copper Thunderbolt cables.German company DeLock also released optical Thunderbolt cables in lengths of 10 m (30 ft), 20 m (70 ft), and 30 m (100 ft) in 2013, priced similarly to the Sumitomo ones, and retailed only in Germany. It is available in lengths of 10 m (30 ft), 20 m (70 ft), and 30 m (100 ft). The first such optical Thunderbolt cable was introduced by Sumitomo Electric Industries in January 2013. Eventually, Intel hopes for a purely optical transceiver assembly embedded in the PC. The conversion of electrical signal to optical is embedded into the cable itself, so the current MDP connector is forward compatible. The version from Corning contains four 80/125 μm VSDN (Very Short Distance Network) fibers to transport an infrared signal up to 190 m (600 ft). Create email template in outlook 2011 for macThis lets peripheral Thunderbolt devices be farther from their host device(s).As of March 2020 there were no optical Thunderbolt 3 cables on the market. The cables extend the current 30 m (100 ft) maximum length offered by copper to a new maximum of 60 m (200 ft). Half the diameter of and 80% lighter than comparable copper Thunderbolt cables, they work with the 10 Gbit/s Thunderbolt protocol and the 20 Gbit/s Thunderbolt 2 protocol, and thus are able to work with all self-powered Thunderbolt devices (unlike copper cables, optical cables cannot provide power). Released the first range of optical Thunderbolt cables available in the Western marketplace outside Japan, along with optical USB 3.0 cables, both under the brand name "Optical Cables".
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