(B) |
(A) |
OW |
GW |
O |
G |
GW |
OW |
B |
BL |
BlW |
BlW |
G |
O |
BrW |
BrW |
Br |
Br |
Category |
Maximum data rate |
Usual application |
CAT 1 |
Less than
1 Mbps |
analog
voice (plain old telephone service) Integrated Services Digital Network Basic
Rate Interface in ISDN Doorbell wiring |
CAT 2 |
4 Mbps |
Mainly
used in the IBM Cabling System for token ring networks |
CAT 3 |
16 Mbps |
Voice and
data on 10BASE-T Ethernet |
CAT 4 |
20 Mbps |
Used in
16Mbps Token Ring. Otherwise not used much |
CAT 5 |
100 Mbps |
100 Mbps
TPDDI |