In the afternoon of June 19th, Beijing time, Google announced that Uber will no longer be available on Google Maps.
In January 2017, Google and Uber collaborated to add a new feature to Google Maps: users can search, book and pay for Uber vehicles directly from Google Maps. Users do not need to install Uber applications to use this service. Today, 18 months later, the feature went offline. Google released a new support page explaining painlessly: "You will not be able to book Uber services on Google Maps."
This feature originally allowed users to search for locations on Google Maps and then search for routes, but instead of choosing route suggestions such as walking, driving, biking, or bus travel, clicking "share ride" allows users to book a vehicle directly. At present, the shared ride button still exists, but the function of directly booking Uber has been canceled. After clicking, it will only provide an estimate and jump to the Uber app.
Although this shared ride key supports 17 different services, only Uber can allow users to complete the entire travel process such as calling and paying in Google Maps. Why Google and Uber decided to terminate the project is unclear. It may be that there are not many people who use this feature, or it may be that Uber thinks that it will be better for users to use their own applications, or it is simply caused by the unstable relationship between Google and Uber. In any case, if you want to take a taxi in Google Maps, it seems that you can only open other applications.
Optical Line Terminal (OLT)
POE (Power Over Ethernet) refers to the use of IP-based terminals (such as IP phones, wireless LAN access points AP, network cameras) without any changes to the existing Ethernet Cat.5 cabling infrastructure. Etc.) The technology that can provide DC power for such devices while transmitting data signals is a switch that supports Power over Ethernet.
POE is also known as a power supply system based on local area network (POL, Power over LAN) or Active Ethernet (Active Ethernet), sometimes also referred to as Power over Ethernet for short. This is the use of existing standard Ethernet transmission cables to transmit data and data at the same time. The latest standard specification of electric power, and maintains compatibility with existing Ethernet systems and users. The IEEE 802.3af standard is a new standard based on the POE of the Ethernet power supply system. It adds related standards for direct power supply through the network cable on the basis of IEEE 802.3. It is an extension of the existing Ethernet standard and the first international standard for power distribution. standard.
IEEE began to develop the standard in 1999, and the earliest participating vendors were 3Com, Intel, PowerDsine, Nortel, Mitel and National Semiconductor. However, the shortcomings of this standard have been restricting the expansion of the market. Until June 2003, the IEEE approved the 802.3af standard, which clearly stipulates the power detection and control items in the remote system, and connects routers, switches, and hubs to IP phones, security systems, and wireless LANs through Ethernet cables. The method of power supply for points and other equipment is regulated. The development of IEEE 802.3af includes the efforts of many company experts, which also allows the standard to be tested in all aspects.
The IEEE 802.3at standard was formulated in 2005 and promulgated in 2009. The 802.3at standard output power can reach 30W, and the available power at the receiving end is 25.5W.
The IEEE 802.3 working group and various manufacturer alliances launched POH-POWER OVER HDBASET in the industry at the end of 2012.
Using the current 4-Pair four-pair wire technology plus, the bilateral power supply can reach 60-100W power, which can be achieved by using 5 or 6 types of wires. It is used in high-definition video promotion to supply power to 42" LED TVs. According to the new regulations in 2010, the power consumption of 42" LED TVs needs to be less than 70W.
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