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ΠΑΡΑΔΕΙΓΜΑ ΟΠΤΟΗΛΕΚΤΡΟΝΙΚΗΣ ΖΕΥΞΗΣ

ΠΑΡΑΔΕΙΓΜΑ ΟΠΤΟΗΛΕΚΤΡΟΝΙΚΗΣ ΖΕΥΞΗΣ. Actual Power. Optical Power Level. Minimum optical power required by the receiver. 0.1 µ W. -40 dBm. Source output optical power. 1 mW. 0 dBm. Total operating budget (optical power). 40. SNR voltage ratio required in the receiver is 36 dB.

emmanuel-garrett
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ΠΑΡΑΔΕΙΓΜΑ ΟΠΤΟΗΛΕΚΤΡΟΝΙΚΗΣ ΖΕΥΞΗΣ

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  1. ΠΑΡΑΔΕΙΓΜΑ ΟΠΤΟΗΛΕΚΤΡΟΝΙΚΗΣ ΖΕΥΞΗΣ

  2. Actual Power Optical Power Level Minimum optical power required by the receiver 0.1µW -40 dBm Source output optical power 1 mW 0 dBm Total operating budget (optical power) 40 SNR voltage ratio required in the receiver is 36 dB. The equivalent optical power ratio is* 18 dB Remaining optical power for link 22 dB Link optical power losses: Cable 15 dB Connectors 3 dB Couplings 2 dB Total 20 dB Excess Budget 2 dB Typical Optical Link Power Budget:

  3. Typical Optical Link Power Budget:

  4. Specifications For Fiber Optic Networks Here is a listing of many fiber optic LANs and links available in the last 20 years, with basic operational specs. NA = Not Applicable NS = Not Specified Most LANs and links not specified to run on SM fiber have media converters available to allow them to run on SM fiber.

  5.  Application Wavelength  Max distance (m) for fiber type Link Margin (dB) for fiber type  62.5 50 SM  62.5 50 SM  10Base-F 850  2000 2000 NS 12.5 7.8 NS  FOIRL 850 2000 NS NS 8 NS NS T oken Ring 4/16  850 2000 2000 NS 13 8.3 NS  Demand Priority (100VG-AnyLAN)  850 500  500 NS 7.5 2.8 NS  Demand Priority (100VG-AnyLAN) 1300 2000 2000 NS 7.0 2.3  NS  100Base-FX (Fast Ethernet)  1300  2000 2000 NS 11 6.3  NS  100Base-SX 850  300 300 NS 4.0 4.0  NS  FDDI  1300  2000 2000 40000 11.0 6.3 10-32  FDDI (low cost)  1300  500 500 NA 7.0 2.3 NA

  6.  ATM 52  Application 1300 Wavelength 3000  Max distance (m) for fiber type 3000 15000  10 5.3 Link Margin (dB) for fiber type 7-12  ATM 155  1300 2000  62.5 2000 15000 50 10 SM 5.3  62.5 7-12 50 SM  ATM 155  850(laser) 1000 1000 NA 7.2 7.2 NA  ATM 622 1300 500 500 15000 6.0 1.3 7-12  ATM 622  850(laser)  300 300 NA 4.0 4.0 NA  Fibre Channel 266  1300  1500 1500 10000 6.0 5.5 6-14  Fibre Channel 266  850(laser) 700 2000 NA 12.0 12.0 NA  Fibre Channel 1062 850(laser) 300 500 NA 4.0 4.0 NA Fibre Channel 1062  1300 NA NA 10000 NA NA 6-14  1000Base-SX 850(laser)  220 550 NA 3.2 3.9 NA 1000Base-LX  1300 550 550 5000 4.0 3.5 4.7  ESCON 1300 3000  NS 20000 11  NS 16

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