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SIEMON SYSTEM CATALOG

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LightSystem ® Gigabit Ethernet Fiber Optic<br />

Distribution Cable (International)<br />

FIBER<br />

OPTICAL SPECIFICATIONS<br />

Minimum Performance Parameters for LightSystem 50/125µm & 62.5/125µm Multimode Fiber<br />

Typical Maximum Minimum Modal Guaranteed Gigabit<br />

Fiber Wavelength Attenuation Attenuation Bandwidth Transmission Distance*<br />

Type nm (dB/km) (dB/km) (MHz • km) (Meters)<br />

50/125µm<br />

62.5/125µm<br />

850 2.6 3.5 500 550<br />

1300 0.6 1.0 500 550<br />

850 2.9 3.5 200 275<br />

1300 0.9 1.0 500 550<br />

*The protocol pertinent to the transmission distance as noted is Gigabit Ethernet per IEEE 802.3:2005.<br />

Mode and Core Size Cladding Size Coating Size Buffer Size<br />

Fiber Type (Microns) (Microns) (Microns) (Microns)<br />

50/125µm 50 ± 3 125 ± 2 245 ± 10 900 ± 50<br />

62.5/125µm 62.5 ± 3 125 ± 2 245 ± 10 900 ± 50<br />

MFD = Mode Field Diameter. 8.8 to 9.3 ± 0.5µm @ 1310nm<br />

PHYSICAL SPECIFICATIONS<br />

Nominal Maximum Pulling Tension Maximum<br />

Fiber Cable Diameter Newtons (lbs) Net Weight<br />

Count mm (in.) Installation Long Term kg/km (lbs/1000 ft.)<br />

OFNR/LSOH/OFNP OFNR/LSOH OFNP OFNR/LSOH OFNP OFNR/LSOH OFNP<br />

2 4.8 (0.19) 400 (90) 400 (90) 120 (27) 120 (27) 17 (12) 20 (13.1)<br />

4 4.8 (0.19) 660 (148) 440 (99) 198 (45) 132 (30) 19 (13) 22 (15)<br />

6 4.8 (0.19) 660 (148) 440 (99) 198 (45) 132 (30) 22 (15) 25 (16.5)<br />

8 5.8 (0.23) 900 (202) 560 (126) 270 (61) 168 (38) 28 (19) 31 (21)<br />

12 5.8 (0.23) 900 (202) 560 (126) 270 (61) 168 (38) 32 (22) 36 (24.4)<br />

16 13.7 (0.54) 1320 (297) 660 (148) 396 (89) 198 (45) 139 (93) 209 (140)<br />

24 13.7 (0.54) 1320 (297) 660 (148) 396 (89) 198 (45) 139 (93) 209 (140)<br />

48 16.0 (0.63) 2700 (607) 1000 (225) 810 (182) 300 (67) 200 (134) 207 (139)<br />

72 19.6 (0.77) 2700 (607) 1000 (225) 810 (182) 300 (67) 310 (208) 322 (216)<br />

Minimum Crush Minimum Flex Operating Storage Minimum Bend Radius<br />

Fiber Resistance Resistance Temperature Temperature<br />

Count (N/mm) Cycles (°C) (°C) Installation Long Term<br />

OFNR/LSOH/OFNP OFNR/LSOH/OFNP OFNR/LSOH OFNP OFNR/LSOH/OFNP OFNR/LSOH/OFNP OFNR/LSOH/OFNP<br />

2-24 22 25/25/100 -20/70 -20/50 -40/70 15 x DIA. 10 x DIA.<br />

48, 72 22 25/25/100 -20/70 -20/50 -40/70 20 x DIA. 10 x DIA.<br />

www.siemon.com<br />

6.23

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