HP Mainframe Connectivity Design Guide
Table 35 (page 74) lists the 8 Gb/s fiber optic cable loss budgets when using OM1, OM2, OM3,
OM3+, or OM4 multimode fiber optic cable and single-mode fiber optic cable.
Table 35 8 Gb/s fiber optic cable loss budgets (nominal bandwidth)
Maximum loss per mated
connector pairTotal channel insertion loss
Maximum distance per cable
segmentCable
0.75 dB
1.58 dB21 m
62.5/125 micron (OM1
200 MHz-km at 850 nm)
1.68 dB50 m
50/125 micron (OM2 500
MHz-km at 850 nm)
2.04 dB150 m
50/125 micron (OM3
2000 MHz-km at 850 nm,
OM3+ 3000 MHz-km at
850 nm)
2.19 dB190 m
50/125 micron (OM4
4700 MHz-km at 850 nm)
6.4 dB
1
10 km
9/125 micron (single-mode)
25 km (B-series only)
1
This number assumes use of low-loss fiber optic cables for 8 Gb/s speeds.
Table 36 (page 74) lists the 4 Gb/s fiber optic cable loss budgets when using OM1, OM2, OM3,
OM3+, or OM4 multimode fiber optic cable and single-mode fiber optic cable.
Table 36 4 Gb/s fiber optic cable loss budgets (nominal bandwidth)
Maximum loss per mated
nl
Total channel
nl
Maximum distance per cable
segmentCable connector pairinsertion loss
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
74 FICON SAN fabric connectivity and director interoperability rules










