ΠΑΡΑΔΕΙΓΜΑ ΟΠΤΟΗΛΕΚΤΡΟΝΙΚΗΣ ΖΕΥΞΗΣ

Actual Power Optical Power Level Minimum optical power required by the receiver 0.1µW-40 dBm Source output optical power1 mW0 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:

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.

ApplicationWavelength Max distance (m) for fiber type Link Margin (dB) for fiber type SM SM 10Base-F NS NS FOIRL NS 8 T oken Ring 4/ NS138.3NS Demand Priority (100VG-AnyLAN) NS7.52.8NS Demand Priority (100VG-AnyLAN) NS NS 100Base-FX (Fast Ethernet) NS116.3 NS 100Base-SX NS4.0 NS FDDI FDDI (low cost) NA7.02.3NA

ATM ATM ATM (laser)1000 NA7.2 NA ATM ATM (laser) 300 NA4.0 NA Fibre Channel Fibre Channel (laser) NA12.0 NA Fibre Channel (laser)300500NA4.0 NA Fibre Channel NA 10000NA Base-SX 850(laser) NA3.23.9NA 1000Base-LX ESCON NS NS16 ApplicationWavelength Max distance (m) for fiber type Link Margin (dB) for fiber type SM SM