Specifications

Propagation Delay 8-5
Propagation Delay Example
Table 8-2. Equipment Propagation Delay Worksheet
Equipment Type
A
Delay
B
Quantity
(A*B)
Total
1 Local Repeater 0.65 µs 2 1.30 µs
2 Fiber Optic Repeater 1.55 µs 1 1.55 µs
3 Multi-port Repeater 1.55 µs- 0
4 Multi-port Transceiver 0.10 µs 2 0.20 µs
5 Standard Transceiver 0.86 µs 6 5.16 µs
6
Fiber Optic
Transceiver
0.20 µs 1 0.20 µs
7
Twisted Pair
Transceiver
0.27 µs 1 0.27 µs
8 Concentrator 1.90 µs 1 1.90 µs
Equipment Delay Total (Add lines 1–8) 10.58 µs
Table 8-3. Cable Delay Worksheet
Cable Type
A
Delay/Meter
B
Quantity
(A*B)
Total
1 10BASE5 0.0043 µs/m 1500 m 6.5 µs
2 10BASE2 0.00514 µs/m - 0
3
Shielded Twisted Pair
(STP)
0.0057 µs/m - 0
4
Unshielded Twisted
Pair (UTP)
0.0057 µs/m 100 m 0.57 µs
5 Fiber Optic 0.005 µs/m 1000 m 5.00 µs
6 AUI 0.00514 µs/m 155 m 0.80 µs
Cable Delay Total (Add lines 1–6) 12.87 µs