.SAN design reference guide Vol. 1-5 785350-001

Table 63 4 Gb/s Fibre Channel fiber optic cable loss budgets (nominal bandwidth)
Maximum loss per mated
connector pairTotal channel insertion loss
Maximum distance per cable
segmentCable
0.75 dB
1.78 dB70 m
62.5/125 micron (OM1
200 MHz-km at 850 nm)
2.06 dB150 m
50/125 micron (OM2 500
MHz-km at 850 nm)
2.48 dB380 m
50/125 micron (OM3
2000 MHz-km at 850 nm,
OM3+ 3000 MHz-km at
850 nm)
2.95 dB400 m
50/125 micron (OM4
4700 MHz-km at 850 nm)
7.80 dB10 km
9/125 micron
(single-mode)
19 dB30 km
Table 64 (page 156) lists the 2 Gb/s fiber optic cable loss budgets when using OM1, OM2, or
OM3 multi-mode fiber optic cable, and single-mode fiber optic cable.
Table 64 2 Gb/s Fibre Channel fiber optic cable loss budgets
Maximum loss per mated
connector pairTotal channel insertion loss
Maximum distance per cable
segmentCable
0.75 dB
2.1 dB150 m
62.5/125 micron (OM1
200 MHz-km at 850 nm)
2.62 dB300 m
50/125 micron (OM2 500
MHz-km at 850 nm)
3.31 dB500 m
50/125 micron (OM3
2000 MHz-km at 850 nm)
7.8 dB10 km
9/125 micron
(single-mode)
21.5 dB35 km
Table 65 (page 156) lists the 1 Gb/s fiber optic cable loss budgets when using nominal bandwidth
OM1 or OM2 multi-mode fiber optic cable, and single-mode fiber optic cable.
Table 65 1 Gb/s Fibre Channel fiber optic cable loss budgets (nominal bandwidth)
Maximum loss per mated
connector pairTotal channel insertion loss
Maximum distanceper cable
segmentCable
0.75 dB
3.0 dB200 m
62.5/125 micron (OM1
200 MHz-km at 850 nm)
3.85 dB500 m
50/125 micron (OM2 500
MHz-km at 850 nm)
7.8 dB10 km
9/125 micron
(single-mode)
21.5 dB35 km
19 dB100 km
Storage product interface, switches, and transport distance rules
Table 66 through Table 70 and Table 73 and Table 74 describe the maximum distances supported
for each cable segment type (switch-to-switch or device-to-switch) for each interface and transport
156 SAN fabric connectivity and switch interoperability rules