Optical Fiber- Benefits Benefit Greater capacit Available bandwidth: about 50THz Data rates of hundreds of Gbps Smaller size weight Lower attenuation Electromagnetic isolation Greater repeater(or amplifier) spacing 10s of km at least applications Long-haul trunks thousands of km Metropolitan trunks Rural exchange trunks hundreds of km Subscriber loops To replace twisted pair and coaxial cable -LANS: very high data rate, 100Mbps to 10Gbps 1212 Optical Fiber - Benefits • Benefits — Greater capacity • Available bandwidth: about 50THz • Data rates of hundreds of Gbps — Smaller size & weight — Lower attenuation — Electromagnetic isolation — Greater repeater (or amplifier) spacing • 10s of km at least • Applications — Long-haul trunks • thousands of km — Metropolitan trunks • tens of km — Rural exchange trunks • hundreds of km — Subscriber loops • To replace twisted pair and coaxial cable — LANs: very high data rate, 100Mbps to 10Gbps