|
Cat |
Usage |
TIA/EIA-568-B |
|
1 |
Telephone and doorbell wiring |
N |
|
2 |
4 Mbit/s Token Ring |
N |
|
3 |
10 Mbit/s Ethernet |
Y |
|
4 |
16 Mbit/s Token Ring |
N |
|
5 |
100 Mbit/s Ethernet, may be unsuitable for 1000BASE-T gigabit Ethernet. |
N |
|
5e |
100 Mbit/s and Gigabit Ethernet |
Y |
|
6 |
Up to 250 MHz, more than double cat 5 and 5e. |
Y |
|
6a |
Future specification for 10 Gbit/s |
N |
|
7 |
ISO/IEC 11801 Class F cabling |
N |