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Sharing method of pon terminal equipment bosa and pon system

A technology of terminal equipment and central office equipment, which is applied in the field of optical communication, can solve problems such as secondary optical splitting loss, shortened access distance, flange plate insertion loss, etc., to reduce secondary optical splitting loss, simplify PON network, and improve access The effect of distance

Active Publication Date: 2019-02-19
ZHEJIANG GIZZE COMM TECH CO LTD
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  • Claims
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Problems solved by technology

[0005] In the entire PON network, the optical splitter and BOSA are expensive, and there are secondary splitting loss, fiber fusion fiber insertion loss and flange insertion loss, which shorten the access distance of SFU / HGU. These factors all cause the cost of the PON network Higher than DSL deployment cost

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  • Sharing method of pon terminal equipment bosa and pon system
  • Sharing method of pon terminal equipment bosa and pon system

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Embodiment Construction

[0028] The present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

[0029] Such as figure 2 As shown, the PON system sharing BOSA of an embodiment includes an OLT central office, an optical splitter, a BOSA sharing device, and a terminal device. The optical splitter is connected to the OLT central office equipment through an optical fiber 11, and the optical splitter is connected through an optical fiber 12 It is connected with the BOSA sharing device, and the BOSA sharing device is respectively connected with each terminal device through the electric signal line 13 . End devices can be SFU or HGU.

[0030] In one embodiment, the sharing method of the PON terminal equipment BOSA using the PON system sharing the BOSA includes an uplink step and a downlink step.

[0031] Wherein, the uplink step includes the following steps:

[0032] S11. Each terminal device sends a burst to the B...

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Abstract

The invention discloses a method for sharing a BOSA by PON terminal devices, and a PON system. The method comprises unlink steps and downlink steps: the uplink steps include: each terminal device sending Serdes electric signals at respectively distributed time slots to the BOSA, according to lead characteristic characters of the Serdes electric signals, a Serdes signal selector gating the corresponding terminal devices, the BOSA converting the output Serdes electric signals into corresponding optical signals for sending to an OLT; and the downlink steps include: the OLT sending the optical signals to the BOSA in a broadcast mode; the BOSA converting the optical signals into the Serdes electric signals and converting the Serdes electric signals into multiple same Serdes electric signals for sending to the multiple terminal devices; and each terminal device comparing address information carried by the received Serdes electric signals with a local address, if the two addresses are the same, receiving the corresponding Serdes electric signals. According to the invention, the PON is simplified, and the cost is decreased.

Description

technical field [0001] The invention relates to the field of optical communication, in particular to a method for sharing PON terminal equipment BOSA and a PON system. Background technique [0002] With the promotion of China's broadband strategy, user access bandwidth has been continuously improved, from 512K, 2M, 10M to 100M. The end-user business is also diversified, which promotes the continuous growth of the information industry. In this background, PON (passive optical network) is more and more widely used, and it can provide long-distance and large-bandwidth access. [0003] PON (Passive Optics Network Passive Optical Network) refers to the OLT (OpticsLine Terminate Optical Line Terminal) as the central office equipment and the SFU / HGU Single Family Unit (Home Gateway Unit) optical network unit as the terminal equipment and ODN Optics Distribution Network optical distribution network) composed of passive electronic equipment system. Passive means that the optical d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q11/00
CPCH04Q11/0067
Inventor 金国华
Owner ZHEJIANG GIZZE COMM TECH CO LTD
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