- Interface types :
The interface between ATM switches is called a Network to Network Interface (NNI). The interface between an ATM switch and an end user is called a User to Network Interface (UNI), which is the interface between a public ATM carrier and a customer's switch.
- Switch types :
ATM switches come in a variety of types and sizes. A small switch (a few gigabits) is called customer premise equipment (CPE). A large switch (100 GB or larger) is called a central office (CO) switch. A CPE and CO cannot be defined in terms of speed. They also have different MTBF rates.
- Attached device sevices can range from residential television sets to large computers.
- Link speeds :
ATM networks support a variety of link speeds, from 1.544 Mbps to 622 Mbps and higher.
- Attach media :
Users can attach by means of category 3 and category 5 for copper
interfaces and multimode or single mode for fiber-optic interfaces.
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