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Old 09-21-2004, 01:32 PM
juandc juandc is offline
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Default What is the latest Optical Technology?

What is the latest technology out there in OC, Is anything better than OC-192?.
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Old 09-22-2004, 02:49 AM
arnold
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What is the purpose of it?. IF you are curious about this search at google
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Old 09-22-2004, 03:15 AM
Denis Denis is offline
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Maybe DWDM??? What you think?
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Old 09-22-2004, 03:44 AM
Sling
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Quote:
Originally Posted by Denis
Maybe DWDM??? What you think?
What is DWDM ?
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Old 09-22-2004, 03:47 AM
Denis Denis is offline
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Dense wavelength division multiplexing (DWDM) is a fiber-optic transmission
technique that employs light wavelengths to transmit data parallel-by-bit or
serial-by-character.

Quote:
DWDM works by combining and transmitting multiple signals simultaneously at
different wavelengths on the same fiber. In effect, one fiber is transformed
into multiple virtual fibers. So, if you were to multiplex eight OC -48 signals
into one fiber, you would increase the carrying capacity of that fiber from
2.5 Gb/s to 20 Gb/s. Currently, because of DWDM, single fibers have been
able to transmit data at speeds up to 400Gb/s.

A key advantage to DWDM is that it's protocol- and bit-rate-independent.
DWDM-based networks can transmit data in IP, ATM, SONET /SDH, and
Ethernet, and handle bit rates between 100 Mb/s and 2.5 Gb/s. Therefore,
DWDM-based networks can carry different types of traffic at different
speeds over an optical channel.
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