1 | FDDI is an excellent medium for building backbones of LANs. |
2 | standard: ANSI X3T9.5 developed by ANSI in mid-1980s |
3 | media: optical fiber (FDDI), copper (CDDI) |
4 | media access: Timed Token Passing Dual Ring |
5 | bandwidth: 100 Mbps (FDDI network actually has a 125 Mbps signaling rate, however 4B/5B (Differential Manchester) encoding takes up to 25 Mbps) |
6 | max frame size: 4500 Bytes; max nodes: 500 |
7 | max inter-station distance: 2 km; max distance: 100 km (60 miles) |