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How many channel telephones can be transmitted by one core fiber

Author:Hans Source: Date:2019-4-29 11:13:29 Popularity:3 Comment:0

Actually the number of telephones does not depend on the fiber, but base on the capacity of the transmission device.

At present, most of the optical fiber transmission devices use multiplexing technology. In the 1-core or 2-core optical fiber, N-channel 2M is reused, and 1-channel 2M can carry 30 telephones.

In theory, the current wavelength division multiplexing technology can make the data transmission rate of single-core fiber more than 40 Gbps, then it can support at least 600000 telephones according to 2M through 30 channels of voice (64 kbps per voice bandwidth).

At present, the commonly used optical transceiver capacity in China is generally: 155M, 622M, 1.25G, 2.5G, 10G, 155M can be 63 2M, then 10G has 64 × 63 = 4032 2M, you can pass the 120960 telephone.

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