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If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm， then what is the accumulated dispersion of an ITU wavelength after it travels 200 km？ （）
- A、 0 ps/nm
- B、 340 ps/nm
- C、 200 ps/nm
- D、 3400 ps/nm
- E、 More information is needed.
参考答案
更多 “If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm， then what is the accumulated dispersion of an ITU wavelength after it travels 200 km？ （）A、 0 ps/nmB、 340 ps/nmC、 200 ps/nmD、 3400 ps/nmE、 More information is needed.” 相关考题
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单选题A 2.5 Gb/s （OC-48 or STM-16） optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km？（）A
noneB
oneC
twoD
threeE
four
考题
单选题If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km?（）A
0 ps/nmB
340 ps/nmC
200 ps/nmD
3400 ps/nmE
More information is needed.
考题
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0 ps/nmB
340 ps/nmC
200 ps/nmD
3400 ps/nmE
More information is needed.
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800ps/nm，400ps/nmB
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400ps/nm，800ps/nmD
500ps/nm，1000ps/nm
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