CN210958374U

CN210958374U - PON OLT equipment of 8 ports

Info

Publication number: CN210958374U
Application number: CN201922148636.1U
Authority: CN
Inventors: 臧运新
Original assignee: Shenzhen Juhong Internet Technology Co ltd
Current assignee: Shenzhen Juhong Internet Technology Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-07
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a PON OLT equipment of 8 ports, including SPF module, OLT module, buffer memory module, ONU module, PON module, the SPF module is connected with the OLT module for signal conversion is the light signal with the electricity of sending end, the OLT module realizes the OLT function, converts the data of ethernet protocol into the light signal of PON protocol, buffer memory module is connected with the OLT module for the data that need transmit in the buffer memory record OLT module, the ONU module is connected with the OLT module. The utility model discloses in, through OLT module, buffer module, ONU module setting, whether utilize the OLT module can real-time detection down buffer module's data reach or exceed threshold value D to judge whether to send down data to the ONU module, can make ONU's sleep time maximize, greatly reduced the energy consumption of OLT equipment.

Description

PON OLT equipment of 8 ports

Technical Field

The utility model relates to a OLT technical field especially relates to a PON OLT equipment of 8 ports.

Background

The OLT device is a terminal device for connecting a fiber trunk line, and with the rapid development of a communication network, the total energy consumption of the network increases rapidly, and relevant statistics show that: the energy consumption of the access network occupies most of the energy consumption of the communication network, the energy consumption of the access network occupies about 75% of the energy consumption of the whole communication network, in order to reduce the overall energy consumption of the OLT equipment, the working state of the network element equipment in the access network can be controlled, the UCS mechanism realizes a good energy-saving effect, but the defects are that a large downlink time delay is introduced, and the real-time output of data is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems of energy saving and downlink time delay of the OLT equipment, the PON OLT equipment with 8 ports is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a PON OLT equipment of 8 ports, includes SPF module, OLT module, buffer memory module, ONU module, PON module, SPF module and OLT module are connected for convert the signal of telecommunication of sending end into optical signal, the OLT module realizes the OLT function, converts the data of ethernet protocol into the optical signal of PON protocol, buffer memory module and OLT module are connected for the data that need transmit in the buffer memory record OLT module, the ONU module is connected with the OLT module for send the upstream data and receive the downstream data of OLT transmission to the OLT, the PON module is connected with the ONU module, is used for passive optical network's output.

As a further description of the above technical solution:

the cache module is provided with a threshold value D.

As a further description of the above technical solution:

the OLT module can detect whether the size of the queue in the downlink buffer reaches or exceeds a threshold value D in real time.

As a further description of the above technical solution:

the ONU module comprises an uplink module, a downlink module and a basic module.

As a further description of the above technical solution:

the uplink module comprises a transmitter, the downlink module comprises a receiver, and the basic module comprises a power supply and a timer.

As a further description of the above technical solution:

the PON module is an 8-port output port.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through OLT module, buffer module, ONU module setting, whether utilize the OLT module can real-time detection down buffer module's data reach or exceed threshold value D to judge whether to send down data to the ONU module, can make ONU's sleep time maximize, greatly reduced the energy consumption of OLT equipment.

2. The utility model discloses in, through the setting of OLT module, buffer module, ONU module, the last data traffic of ONU module sends and finishes the back and gets into the sleep mode immediately, therefore OLT's downlink data traffic must wait to next polling cycle, the ONU module just can continue to send after awakening up, and the average time delay of downlink data can not increase because of the increase of downlink load to reduced the time delay of downlink data traffic, improved the quality of service of PON system, optimized the network performance.

Drawings

Fig. 1 shows a schematic block diagram of an 8-port PON OLT device system according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating a data transmission flow of an 8-port PON OLT device according to an embodiment of the present invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an 8-port PON OLT device comprises an SPF module, an OLT module, a buffer module, an ONU module and a PON module, wherein the SPF module is connected with the OLT module and used for converting an electric signal of a sending end into an optical signal, the OLT module realizes the OLT function and converts data of an Ethernet protocol into the optical signal of a PON protocol so as to ensure that the optical signal is smoothly output through the PON module, the buffer module is connected with the OLT module and used for buffer-recording data needing to be transmitted in the OLT module, the ONU module is connected with the OLT module and used for sending uplink data to the OLT and receiving downlink data transmitted by the OLT, the OLT module can detect the size in the downlink data in real time and compare with a threshold value D of the buffer module, when the size of a downlink buffer queue in the OLT module does not exceed the threshold value D, the OLT module does not send the downlink data to the ONU module in an authorization time slot of the ONU module, and the PON module is connected with the, for the output of a passive optical network.

Specifically, as shown in fig. 2, the buffer module is provided with a threshold value D, which is convenient for comparison with the downlink data in the OLT module.

Specifically, as shown in fig. 2, the OLT module can detect whether the size of the queue in the downlink buffer reaches or exceeds a threshold value D in real time, and control sending of downlink data of the OLT by comparing the size of the queue from D to the size of the queue.

Specifically, as shown in fig. 1, the ONU module includes an uplink module, a downlink module, and a base module, where the uplink module includes a transmitter, the downlink module includes a receiver, and the base module includes a power supply and a timer, so as to ensure that the uplink module can transmit uplink data to the OLT module, and receive downlink data of the OLT module through the downlink module, and ensure that the ONU module is in a normal operating state.

Specifically, as shown in fig. 1, the PON module is an 8-port output port, so that network signal output is more stable.

The working principle is as follows: when the device is used, an electric signal is accessed into the SFP module, the electric signal is converted into an optical signal through the SPF module and transmitted to the OLT module, the buffer module and the ONU module are connected between the OLT module, the OLT module can detect the size in downlink data in real time and compare the size with a threshold value D of the buffer module, when the size of a downlink buffer queue in the OLT module does not exceed the threshold value D, the OLT module does not send the downlink data to the ONU module in an authorized time slot of the ONU module, and after the ONU module receives the downlink data, the sender is closed to enter a sleep state, so that the sleep time of the ONU is maximized, the energy consumption of OLT equipment is reduced, the average delay of the downlink data cannot be increased due to the increase of downlink load, and the average delay of the downlink data in the ONU module is greatly reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An 8-port PON OLT device is characterized by comprising an SFP module, an OLT module, a buffer module, an ONU module and a PON module, wherein the SFP module is connected with the OLT module and used for converting an electric signal of a sending end into an optical signal, the OLT module realizes an OLT function and converts data of an Ethernet protocol into an optical signal of a PON protocol, the buffer module is connected with the OLT module and used for buffering and recording data needing to be transmitted in the OLT module, the ONU module is connected with the OLT module and used for sending uplink data to the OLT and receiving downlink data transmitted by the OLT, and the PON module is connected with the ONU module and used for outputting of a passive optical network.

2. An 8-port PON OLT device as claimed in claim 1, wherein the buffer module is configured to set a threshold value D.

3. An 8-port PON OLT device as claimed in claim 1, wherein the OLT module is capable of detecting in real-time whether a queue size in a downstream buffer meets or exceeds a threshold D.

4. An 8-port PON OLT device of claim 1, wherein the ONU modules comprise an upstream module, a downstream module, and a base module.

5. An 8-port PON OLT device as claimed in claim 4, wherein the upstream module comprises a transmitter, the downstream module comprises a receiver, and the base module comprises a power supply and a timer.

6. An 8-port PON OLT device of claim 1, wherein the PON module is an 8-port output port.