Technical Bulletin

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TECHNICAL REFERENCE
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TECHNICALINFORMATION
PanduitOM2andlaser‐optimizedOM3,OM4andSignatureCore™multimodefibersexceeddomesticand 
internationalstandardsforopticalfiber,includingTIA‐492AAAB,TIA‐492AAAC,TIA‐492AAADandIEC
60793‐2‐10.TheysupportadiversesetoflegacyandcontemporaryapplicationsincludingEthernet,Fibre
Channel,Infiniband
TM
,FiberDistributedDataInterface(FDDI),TokenRing,AsynchronousTransferMode(ATM)
andFICON(FiberConnectio n) amongothers.
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GEOMETRY
DIMENSION VALUE
CoreDiameter: 50.0µm±2.5µm
CoreNon‐Circularity: ≤5%
CladdingDiameter: 125µm±1.0µm
CladdingNon‐Circularity: ≤0.7%
Core‐CladdingConcentricity: ≤1.0µm
CoatingDiameter: 242µm±5µm
Coating‐CladdingConcentricity: ≤10µm
ATTENUATION
WAVELENGTH OM2 OM3,OM4ANDSIGNATURECORE™
850nm: ≤2.5dB/km ≤2.4dB/km
1300nm: ≤0.8dB/km≤0.6dB/km
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PTICALCHARACTERISTICS
PROPERTY OM2,OM3&OM4 SignatureCore™
PointDiscontinuity: ≤0.1dB
NumericalAperture: 0.200±0.015
GroupIndexofRefraction–850nm(typical): 1.482
GroupIndexofRefraction–1300nm(typical): 1.478
ZeroDispersionWavelength(typical): 1295–1340nm 1295–1315nm
MacrobendAttenuation(850nm/1300nm):
100turns@37.5mmradius
2turns@15mmradius
2turns@7.5mmradius
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≤0.5dB/≤0.5dB
≤0.1dB/≤0.3dB
≤0.2dB/≤0.5dB
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TR2
MultimodeOpticalFiber
OM2,LaserOptimizedOM3,OM4andSignatureCore™