尊龙凯时人生就是博

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jrpp



ӲʦҪĹղGBICSFPȲιֻҪʶ3ҪͿ˳쿪չˣ
һ벨λףnmҪ3֣
1 850nmMMģǮ͵һƽֻܴ500M
2 1310nm (SMģĴɫɢСһƽ40KMڵĴ)
3 1550nm (SMģСɫɢһƽ40KMϵij봫Զ
мֱӴ120KM)
 
ڶ     ʣָÿӴݵıbitλbpsڳõ4: 155Mbps
1.25Gbps2.5Gbps10Gbps һƽ¼155MҲFEף1.25GҲGEǧףڹ⴫װӦ ڹ˴洢ϵͳSANĴ2Gbps4Gbps8Gbps  
     룺ָźм̷ŴֱӴľλǧףҲƹkm,ģ
һƽ¼ֹ񣺶ģ550mģ15km40km80km120kmȵһ˵   


3Ҫղ¼ЩֻʶУ
1 ֱ𣺼ǹע뵼ͨгǻĹ񵴺 õļFPDFBǵIJǰ뵼ЭǻṹDFBļǮFP 40KMڵĹһƽʹFP40KMĹһƽʹDFB
 
2ĺɫɢǹڹдʱڽʵɢԼ©µĹʧⲿŴһıʺɢ ɫɢıҪڲ𲨳ĵŲͳһʱʲӶɹźŵIJ𲨳ڴۻڲʱִնչ޷źֵ ҪӰĴʵӦ1310nmһƽ0.35dBm/km·1550nmһƽ0.20dBm/km·ɫɢֵشһƽֻο
 
3 ⹦ʺѸٶȣ⹦ָ鷢Ͷ˹Դ⹦Ѹٶָһʡ¹Сչ⹦ ĵλdBm(ΪֱʵλmwĶʽ㹫ʽΪ10lg1mwΪ0dBm)Ҫ綨ƷĴ𲨳ʺʹĹⷢ书ʺѸٶȶֻҪȷ
 
4ʹͳһ׼724Сʱֹ5Сʱ൱5꣩  


5 ˽ӿڣSFP鶼LCӿڵGBIC鶼SCӿڵӿFCST   
 
6 ¶ȣ0~+70 ̲¶ȣ-45~+80ѹ3.3V ƽTTL/PECL/CML/LVDS 
 

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