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Link Distances and Allowable Attenuation for Fiber Optic Links–from ANSI/TIA 568 (C.0, C.2, C.3)

Parameter Multimode Single Mode
  62.5/125um
TIA 492AAAA (OM1)
50/125um
TIA 492AAAB (OM2)
850nm Laser-Optimized 50/125um
TIA 492AAAC (OM3)
TIA 492CAAA (OS1)
TIA 492CAAB (OS2)
Application Nominal Wavelegnth (nm) 850 1300 850 1300 850 1300 1310 1550
Ethernet 10/100Base-SX Channel Attenuation (dB) 4.0   4.0   4.0      
Supportable distance meter (feet) 300
(984)
  300
(984)
  300
(984)
     
Ethernet 100Base-FX Channel Attenuation (dB)   11.0   6.0   6.0    
Supportable distance meter (feet)   2000
(6,850)
  2000
(6,850)
  2000
(6,850)
   
Ethernet 1000Base-SX Channel Attenuation (dB) 2.6   3.6   4.5      
Supportable distance meter (feet) 275
(900)
  550
(1,804)
  800
(2,625)
     
Ethernet 100Base-LX Channel Attenuation (dB)   2.3   2.3   2.3 4.5  
Supportable distance meter (feet)   550
(1,804)
  550
(1,804)
  550
(1,804)
5000
(16,405)
 
Ethernet 10GBase-S Channel Attenuation (dB) 2.4   2.3   2.6      
Supportable distance meter (feet) 33
(108)
  82
(269)
  300
(984)
     
Ethernet 10GBase-LX4 Channel Attenuation (dB)   2.5   2.0   2.0 6.3  
Supportable distance meter (feet)   300
(984)
  300
(984)
  300
(984)
10,000
(32,810)
 
Ethernet 10GBase-L Channel Attenuation (dB)             6.2  
Supportable distance meter (feet)             10,000
(32,810)
 
Ethernet 10GBase-LRM Channel Attenuation (dB)   1.9   1.9   1.9    
Supportable distance meter (feet)   270
(720)
  270
(720)
  270
(720)
   
Fibre Channel 100-MX-SN-I (1062 Mbaud) Channel Attenuation (dB) 3.0   3.9   4.6      
Supportable distance meter (feet) 300
(984)
  500
(1,640)
  880
(2,822)
     
Fibre Channel 100-SM-LC-L (1062 Mbaud) Channel Attenuation (dB)             7.8  
Supportable distance meter (feet)             10,000
(32,810)
 
Fibre Channel 200-SM-LC-L (2125 Mbaud) Channel Attenuation (dB) 2.1   2.6   3.3      
Supportable distance meter (feet) 150
(492)
  300
(984)
  500
(1,640)
     
Fibre Channel 200-SM-LC-L (2125 Mbaud) Channel Attenuation (dB)             7.8  
Supportable distance meter (feet)             10,000
(32,810)
 
Fibre Channel 400-MX-SN-I (4250 Mbaud) Channel Attenuation (dB) 1.8   2.1   2.5      
Supportable distance meter (feet) 70
(230)
  150
(492)
  270
(886)
     
Fibre Channel 400-SM-LC-L (4250 Mbaud) Channel Attenuation (dB)             7.8  
Supportable distance meter (feet)             10,000
(32,810)
 
Fibre Channel 1200-MX-SN-I (10512 Mbaud) Channel Attenuation (dB) 2.4   2.2   2.6      
Supportable distance meter (feet) 33
(108)
  82
(269)
  300
(984)
     
Fibre Channel 1200-SM-LL-L (10512 Mbaud) Channel Attenuation (dB)             6.0  
Supportable distance meter (feet)             10,000
(32,810)
 
FDDI PMD ANSI X3.166 Channel Attenuation (dB)   11.0   6.0   6.0    
Supportable distance meter (feet)   2,000
(6,650)
  2,000
(6,560)
  2,000
(6,560)
   
FDDI SMF-PMD ANSI X3.184 Channel Attenuation (dB)             10.0  
Supportable distance meter (feet)             10,000
(32,810)
 
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