What is a downlink port?
An uplink port generally means a port used that connects toward the core of the network. A downlink port generally mean the converse. In this particular usage, the switch's downlink ports are dual speed copper ports. The uplink ports are gig and copper/fiber capable.
In telecommunications, the term uplink refers to a wireless connection made from the ground to a communications satellite orbiting the Earth. The same term is sometimes used in computer networking and refers to a (wired or wireless) connection from a ?local area network (LAN) to a wide area network (WAN).
- Routers can include Ethernet ports, which are used to make wired connections to devices; a WAN port, which is used to connect to an Internet connection through a modem; an uplink port, which is used to connect to other networking equipment; and a Wi-Fi adapter, which is used to connect to network devices over radio
- Uplink Bandwidth Maximum Problem. I've read that good QoS can only be achieved if you set an uplink maximum, and to set it to roughly 80% of your typical upload speed. My upload with powerboost is 5Mbps, I figure without powerboost it's more like 3Mbps so I cap my uplink bandwidth at 2.5Mbps.
- Physical Ethernet adapters serve as bridges between virtual and physical networks. In VMware Infrastructure, they are called uplinks, and the virtual ports connected to them are called uplink ports. A single host may have a maximum of uplinks, which may be on one switch or distributed among a number of switches.
So generally frequency for uplink is kept higher than the downlink.There is greater attenuation due to rain when the signal frequency is high. because uplink to satellite has more power since we can generate more power on ground.
- Artwork: Communications satellites bounce signals from one side of Earth to the other, a bit like giant mirrors in space. The satellite boosts the signal and sends it back down to Earth from its transmitter dish (red) to a receiving dish somewhere else on Earth (yellow).
- There are only two space stations currently in orbit - the International Space Station and China's Tiangong-1. ISS is manned at all times and Tiangong-1 is unmanned most of the time.
- It depends on what exactly you mean by visible, but if you can see the sun (which you can from outer space) then that means it's light is visible. In space, or on any planet or moon that doesn't have an atmosphere, there's nothing for the sunlight to bounce off of so the sky is always black.
This signal is called an uplink. The transmission has a powerful high frequency which is referred to as a "Gigahertz (GHz) range signal". The satellite, in orbit about the Earth, receives the signal and then transmits it back to earth stations. This transmission signal back to earth is called a downlink.
- FICO scores can theoretically range between 300 and 900, although it's rare to see the extremes. Most scores fall somewhere between 600 and 800. In general, a score of 700 to 740 and above will be considered excellent or Tier 1 Credit. A score of 660 to 699 would be considered average, or Tier 2 Credit.
- Medicare plans typically list doxycycline hyclate in Tier 2 of their formulary. Tier 2 means that this drug is a “non-preferred generic”.
- A Tier 3 data center is a location with redundant and dual-powered servers, storage, network links and other IT components. It is one of the most commonly used data center tiers, where IT components are powered with multiple, active and independent sources of power and cooling resources.
Updated: 16th October 2019