They are typically used for voice and data transmission rates up to and including 100MBps, e.g. 2. This cable is normally used to connect 2 PCs without the use of a hub, or when cascading 2 hubs without the use of an uplink port. The only difference between the two is the actual wiring of the connector or jack. Do you need a special tool when working with your 110 Type patch panels and jacks. Yes, you need to use a 110 Type impact tool in order to properly terminate your connections.
Crosstalk is the unwanted introduction of signals from one channel or pair to another.
Telephone cords are designed to work with low speed applications such as voice transmission. No, a hub is not needed when you are using coaxial cable. You can directly connect each computer by using coaxial cable, but you must put terminators on each end of the cable. For example using Windows 98, Windows 95 or Windows for Workgroups. For example using Windows NT or Novell Netware.