WO2019057145A1

WO2019057145A1 - Optical network terminal and system

Info

Publication number: WO2019057145A1
Application number: PCT/CN2018/106908
Authority: WO
Inventors: 程宁; 王欣; 刘培章
Original assignee: 中兴通讯股份有限公司
Priority date: 2017-09-21
Filing date: 2018-09-21
Publication date: 2019-03-28
Also published as: CN109547108A

Abstract

The present invention provides an optical network terminal and an optical network terminal system. The optical network terminal comprises a housing and a circuit board, as well as an optical module, a signal processing module, a first communication interface, and a second communication interface which are disposed on the circuit board. The first communication interface and the second communication interface are respectively disposed on a front surface and a back surface of the circuit board. The housing comprises an upper housing and a lower housing. The upper housing is disposed at the front surface of the circuit board, a first interface through hole is formed on the upper housing, and a communication cable passes through the first interface through hole and is connected to the first communication interface. The lower housing is disposed at the back surface of the circuit board, and the size of the lower housing is mated with the inner-space size of a switch panel bottom case. A second interface through hole is formed on the lower housing, and a communication cable passes through the second interface through hole and is connected to the second communication interface. Optical fiber access through holes are further formed on the upper housing and the lower housing, and optical fibers pass through the optical fiber access through holes and are connected to the optical module.

Description

Optical network terminal and system

Cross-reference to related applications

The present application claims priority to Chinese Patent Application No. 201710861445.2, filed on Sep. 21,,,,,,,,,,,,,,,

Technical field

The present disclosure relates to, but is not limited to, the field of communication technologies, and more particularly to optical network terminals and systems.

Background technique

With the rapid development of passive optical networks, fiber-optic access using passive optical networks (PONs) in LANs has gradually become a trend. Traditionally, the indoor wiring in the corporate office environment is connected to the switch in the equipment room. The cable is connected to the 86-type network cable socket under the user station through the network cable and the telephone line. The distance between the computer room and the user station is far. Under, it takes up a lot of cable resources.

In the case of Passive Optical LAN (POL), optical network terminals (ONTs, commonly known as optical cats) can be applied to enterprise office environments or homes to realize fiber-to-the-desktop. The existing optical network terminals are generally placed directly on various desktops (such as desktops). The optical network terminals generally provide network interfaces and telephone interfaces, and then are connected to corresponding Internet devices and telephones through network cables and telephone lines. The existing optical network terminal takes up space in the use process and affects the environment, resulting in poor user experience satisfaction.

Public content

The present disclosure provides an optical network terminal, including a housing, a circuit board, and an optical module, a signal processing module, a first communication interface, and a second communication interface disposed on the circuit board; the first communication interface and the The second communication interface is respectively disposed on the front and the back of the circuit board, the housing includes an upper housing and a lower housing; the upper housing is disposed on a front surface of the circuit board, and the upper housing is disposed on the upper housing a first interface through hole for the communication cable to be connected to the first communication interface through the first interface through hole; the lower case is disposed at a back of the circuit board, and the size of the lower case is The inner size of the switch panel bottom box is adapted, and the lower housing is provided with a second interface through hole for the communication cable to pass through the second interface through hole and the second communication interface; An optical fiber access through hole is further disposed on the upper casing or the lower casing for connecting the optical fiber on the network side to the optical module through the optical fiber access through hole, and the optical signal from the optical fiber passes through the optical The module is processed by the signal processing module and sent to the first communication interface Or the second communication interface.

The present disclosure also provides an optical network terminal system including a switch panel bottom box and an optical network terminal as described above, the switch panel bottom box being installed at a pre-installation position of the optical network terminal, under the optical network terminal The housing is inserted into the bottom panel of the switch panel.

Other features and corresponding advantages of the present disclosure are set forth in the description which follows, and it is understood that

DRAWINGS

1 is a perspective view of a front side of an optical network terminal according to an embodiment of the present disclosure;

2 is a perspective view of the back side of an optical network terminal according to an embodiment of the present disclosure;

3 is a front view of an optical network terminal according to an embodiment of the present disclosure;

4 is a rear elevational view of an optical network terminal in accordance with an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a disk trunking according to an embodiment of the present disclosure; FIG.

Figure 6 is a schematic view showing the connection of the card terminal of the embodiment of the present disclosure;

Figure 7 is an enlarged schematic view of a portion A of Figure 5;

FIG. 8 is a schematic diagram of a connection of a communication interface of an optical network terminal according to an embodiment of the present disclosure.

Detailed ways

In order to make the technical solutions and advantages of the present disclosure more comprehensible, the embodiments of the present disclosure will be further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments and embodiments are not intended to be

An embodiment of the present disclosure provides an optical network terminal, where the optical network terminal includes a circuit board and is disposed on a circuit board, in order to solve the problem that the existing optical network terminal takes up space and affects the environment and the user experience is poor. The optical module, the signal processing module, the first communication interface, and the second communication interface, the optical module is configured to be connected to the external optical fiber, convert the optical signal received through the optical fiber into an electrical signal, and then send the signal to the signal processing module, and the signal processing module is opposite to the light. The electrical signal sent by the module is formatted (for example, converted to an Ethernet format), parsed, etc., and then sent out through the first communication interface or the second communication interface, and the signal processing module can determine whether to specifically send to the first communication interface or the first Two communication interfaces. It should be understood that the first communication interface in this embodiment may include, but is not limited to, at least one of a network interface and a telephone interface, and the second communication interface may also include, but is not limited to, at least one of a network interface and a telephone interface. . It should also be understood that the network interface in this embodiment may be various network interfaces, and the telephone interface may also be various telephone interfaces, and details are not described herein again.

In this embodiment, the circuit board may be a double-sided circuit board that can connect components on both sides, or a single-sided (front-side solder) component circuit board, which can be flexibly set according to specific application scenarios and design requirements. .

The optical network terminal in this embodiment further includes a housing including two parts of an upper housing and a lower housing.

In the case where the circuit board has a double-sided circuit board on which both components can be connected on both sides, the first communication interface can be disposed on the front side of the circuit board, and the second communication interface can be disposed on the back side of the circuit board.

In some embodiments, the upper casing is disposed on the front surface of the circuit board to cover the front surface of the circuit board, that is, the front surface of the circuit board is covered in the upper casing, and the upper casing may be provided with a first interface through hole, the first interface The position of the through hole on the upper casing corresponds to a specific position of the first communication interface on the circuit board, so that a communication cable (such as a network cable or a telephone line) is connected to the first communication interface through the first interface through hole, and the signal The processing module performs processing such as format conversion and parsing on the electrical signal sent by the optical module, and then sends the data to the communication cable through the first communication interface, and transmits the data to the corresponding communication device (such as a computer, a telephone, etc.) through the communication cable. Correspondingly, the communication data transmitted by the communication device to the first communication interface through the communication cable is processed by the signal processing module, sent to the optical module, converted into an optical signal via the optical module, and then transmitted through the optical fiber that is connected to the optical module. .

The specific shape and size of the upper casing in this embodiment can be flexibly set as long as the performance of the optical network terminal can be satisfied. For example, the upper casing may be formed as a rectangular outer casing, a square casing, a rhombic casing, a circular casing or other polygonal casing or the like.

In some embodiments, the lower case is disposed on the back of the circuit board, and the size of the lower case is adapted to the inner size of the switch panel bottom case (hereinafter at least a portion of the case can be inserted into the switch panel bottom case) In this way, the lower casing of the optical network terminal can be inserted into the pre-installed switch panel bottom box during installation, so that the optical network terminal can be flexibly installed under the wall surface, the table board and the like like the traditional switch panel, instead of It can only be placed on the table surface, which can reduce the space occupied by the optical network terminal, prevent the optical network terminal from being placed on the table surface and affect the appearance, and is beneficial to the interface wiring management, which can reduce the use cost, which is for the passive optical network (PON). The application and promotion of technology in the local area network is of great value.

In this embodiment, the shape of the lower case may not be specifically limited as long as at least a part of the lower case can be inserted into the bottom panel of the switch panel. However, for the stability of the mounting, the shape and size of the lower case in this embodiment may be set to match the inner shape and size of the switch panel bottom case.

In some embodiments, a second interface through hole may be disposed on the lower case, and a position of the second interface through hole on the lower case corresponds to a specific position of the second communication interface on the circuit board for communication cable (for example The network cable or the telephone line is connected to the second communication interface through the second interface through hole, and the signal processing module performs format conversion, parsing, etc. on the electrical signal sent by the optical module, and then sends the signal to the communication cable through the second communication interface. , transmitted to the corresponding communication device (such as computer, telephone, etc.) through a communication cable. Correspondingly, the communication data transmitted by the communication device to the second communication interface through the communication cable is processed by the signal processing module, sent to the optical module, converted into an optical signal via the optical module, and then transmitted through the optical fiber communicatively connected to the optical module. .

It should be understood that the number of groups of the first communication interface and the second communication interface in this embodiment may be flexibly set, for example, only one group may be set, or two groups may be set, or one of them may be set. The other type sets multiple groups and so on.

The front and back sides of the optical network terminal in this embodiment are provided with a communication interface (the first communication interface and the second communication interface respectively), so that the optical network terminal can be applied to various application scenarios, and is particularly suitable for office partition light. Network terminal installation and routing.

In some embodiments, the optical network terminal is disposed under one workstation of the office environment, and the communication interface (eg, the first communication interface) of the front of the optical network terminal is used for the Internet access device and the phone of the workstation where the optical network terminal is located. The communication interface (for example, the second communication interface) on the back side of the optical network terminal can be connected to the communication interface under another (for example, adjacent) workstation through the cable through the partitioning cable trough, because the cable routing is short. It does not need a clear line, is simple and beautiful, greatly facilitates the user, and reduces the cost of cable routing. Moreover, the optical network terminal provided by the embodiment of the present disclosure can be flexibly installed in a scene such as a wall surface or a table top like a conventional switch panel, thereby reducing the space occupied by the installation and further improving the aesthetic effect after installation.

In addition, it should be understood that the switch panel bottom box mentioned in this embodiment may be various types of switch panel bottom boxes of the prior art, for example, but not limited to the 86 type switch panel bottom box, the 120 type switch panel bottom. Box, 118 type switch panel bottom box, 146 type switch panel bottom box, 75 type switch panel bottom box, etc. The switch panel bottom box mentioned in this embodiment can also be a newly designed new size, new shape and other types of switch panel bottom boxes, and the specific shape and size of the switch panel bottom box can be flexibly set according to specific needs.

The optical network terminal in this embodiment may not be provided with a power adapter module, but the power adapter module is disposed outside the optical network terminal, thereby reducing the size and design difficulty of the optical network terminal itself. As long as the corresponding power interface is set on the network terminal, in this case, a power cable with a power adapter module can be specially configured between the external power source and the optical network terminal to supply power to the optical network terminal. However, in order to improve integration and aesthetics, the power adapter module can also be integrated in the optical network terminal in this embodiment. Moreover, in order to reduce the lateral dimension (planar size) of the optical network terminal, the circuit board in this embodiment may be a double-sided circuit board, and the power adapter module may be disposed on the back of the circuit board and may be located inside the lower casing. After the optical network terminal is installed, the power adapter module can be located in the bottom panel of the switch panel, which can reduce the size of the optical network terminal exposed to the outside, and can improve the aesthetics and rationality of the optical network terminal after installation. A power interface may be disposed on the upper casing or the lower casing, and one end of the power interface located in the optical network terminal is connected to an input end of the power adapter module in the optical network terminal, and the power interface is exposed to the optical network. The external end is connected to an external power source, and the output end of the power adapter module can be connected to the optical module and the signal processing module of the optical network terminal, and the external power source supplies power to the optical module and the signal processing module via the power interface and the power adapter module. The specific structure and function of the power adapter module in this embodiment can be flexibly set according to specific application scenarios. In this embodiment, the power interface can be disposed on the lower casing, so that after the optical network terminal is installed, the power interface is hidden at the bottom panel of the switch panel, which can further improve the appearance and convenience.

In this embodiment, when the circuit board uses a double-sided circuit board, at least one of the optical module and the signal processing module may be disposed on the front side of the circuit board. In order to reduce the thickness of the upper casing, the components having a larger thickness can be disposed on the back of the circuit board, so that the components of the optical network terminal can be located in the bottom panel of the switch panel, and only the element having a relatively small thickness is provided. The device is disposed on the front side of the circuit board, so that the thickness of the upper casing can be as small as possible. When the optical network terminal is installed on a wall or the like, the size of the exposed portion is small, and even the existing one can be achieved. The installation effect of various switch panels can further enhance the aesthetics.

In some embodiments, the optical module is disposed on the front surface of the circuit board, and a disk slot is disposed inside the upper casing or the front surface of the circuit board, and the cable trunking is configured to receive an optical fiber connected to the optical module inside the upper casing. This facilitates the routing of the fiber and the management of the excess fiber.

The signal processing module in this embodiment may include a passive optical network (PON) processing module connected to the optical module and a CPU module connected to the passive optical network (PON) module.

In some embodiments, the second communication interface may be located in the lower housing, and correspondingly, the lower housing is provided with a second interface through hole corresponding to the second communication interface for the communication cable to pass through the second interface The hole is connected to the second communication interface, and the second communication interface can be various wire insertion interfaces.

In some embodiments, the second communication interface is a cable connector interface, and the cable terminal of the cable connector interface can extend beyond the second interface through hole provided on the lower casing to facilitate the cable to be inserted into the corresponding terminal. Inside.

An embodiment of the present disclosure further provides an optical network terminal system including a switch panel bottom box and an optical network terminal as described above, the switch panel bottom box being installed at a pre-installation position of the optical network terminal, under the optical network terminal The housing is inserted into the bottom panel of the switch panel.

In this embodiment, the connection fixing manner between the lower casing, the upper casing and the circuit board of the optical network terminal, and the connection and fixing manner of the optical network terminal and the switch panel bottom box can be flexibly set, and only need to be correspondingly Add the corresponding connection structure at the location.

As described above, the switch panel bottom case in this embodiment can be various types of switch panel bottom boxes of the prior art.

In one embodiment, the length, width, and height of the switch panel bottom box can be set to 75 mm, 75 mm, and 50 mm, respectively, which is a standard type 86 switch panel bottom box. However, it should be understood that the length and width of the upper casing are not required to be 86 mm×86 mm in this embodiment. According to actual needs, the length×width of the upper casing may be larger than 86 mm×86 mm. It can be smaller than 86mm × 86mm and can be flexibly set. That is, the switch panel bottom case in this embodiment can adopt the existing switch panel bottom case, but the size of the upper case is not limited to the size of the existing corresponding type of switch panel.

The optical network terminal provided in this embodiment can be configured like a traditional switch panel, which is convenient for installation management and beautiful. In addition, the optical network terminal in this embodiment can be taken out from the front and the back, and can be applied to various application scenarios, for example, installation and routing of an optical network terminal used for office partitioning, and the whole is more compact and beautiful after installation. In the traditional LAN mode, the use length of the user network cable is greatly reduced, and the wiring investment is reduced, which is of great value for the application and promotion of the passive optical network (PON) technology in the local area network.

In order to facilitate the understanding of the present disclosure, the following describes an example of a specific structure of an optical network terminal. In order to facilitate the understanding of the exemplary description, the switch panel bottom box is exemplified as a type 86 switch panel bottom box. However, according to the above description, the switch panel bottom box is not limited to the type 86 switch panel bottom box.

In the environment of office and home, Type 86 switch panel is widely used. It is a specification of junction box and an industry standard in power decoration. It is divided into bottom box and panel. The length of the bottom box is × width × height. The size is 75mm × 75mm × 50mm, the front of the panel is generally 86mm × 86mm square, may be slightly different for different brands, but can be installed in the same size of the bottom box. At the same time, a series of 86-type sockets, such as 86-type network cable sockets, have also been derived.

Generally, there is a 110V/220V AC power supply for the 86-type switch panel/socket, which is convenient for the device to take power. In this embodiment, an optical network terminal (ONT) installed at the position of the 86-type switch panel/socket is provided. The power adapter is integrated in the optical network terminal (ONT), and the AC power interface is provided. The optical network terminal is installed in the bottom box of the 86 type switch panel/socket, and the fiber and the user interface can be easily designed and routed. It is convenient for one or two users and two users. For example, only one GE (Gigabit Ethernet) interface and one Pots (Plain Old Telephone Service) interface are provided, or two GE interfaces and two Pots interfaces are provided to enable optical network terminals. The installation management is more concise and beautiful. The following is an example of setting up two GE interfaces and two Pots interfaces, considering the simplicity of design, ensuring user convenience, and facilitating the installation and routing of optical network terminals (ONTs) into the wall or in various environments. .

Referring to FIGS. 1-8, an optical network terminal (OTN) includes an upper casing 1, a lower casing 2, a circuit board 3, a first GE interface (for example, RJ45) 11 disposed on the front surface of the circuit board 3, and a first Pots interface. (for example, RJ11) 12, and a second GE interface 21 and a second Pots interface 22 provided on the back surface of the circuit board 3. The first GE interface 11 and the first Pots interface 12 are directly used by the user, and the second GE interface 21 and the second Pots interface 22 can be connected to a universal type 86 socket including a network port and a voice interface through a cable, and then passed through the 86. The type of socket is for other users, and the connection cable can be placed in the cable trough and not exposed. The front and back sides of the optical network terminal (ONT) are greatly convenient for the installation and routing of the optical network terminal (ONT) of the office partition. The overall installation is simple and beautiful, compared with the traditional LAN mode. The use length of the user network cable is reduced, the wiring investment is reduced, and the application and promotion of the passive optical network (PON) technology in the local area network is of great value.

In this embodiment, the optical network terminal (ONT) can be installed in a position where a type 86 switch panel or a type 86 socket can be installed, such as a wall, a partitioned wire trough, and the like. Compared with the optical network terminal (ONT) of the home network, the optical network terminal (ONT) of the embodiment can be integrated with a power adapter module, including a 110VAC/220VAC AC power supply interface, and the power adapter module can be installed on the 86 type lower case. In the body 2, and thus installed in the bottom box of the 86-type switch panel or the 86-type socket, the 2-core AC line can be led from the bottom box of the 86-type switch panel or the 86-type socket to the lower casing 2 of the optical network terminal (ONT) The power supply mounting hole (shown as 23 in FIG. 2 and FIG. 4) can then be fixed to the power mounting hole on the lower casing 2 by screwing the cable, and the connection is reliable.

The optical network terminal (ONT) in this embodiment supports the introduction of an optical fiber through the 86-type lower casing 2 to access the optical network terminal (ONT) as an uplink interface (WAN port), and is adopted inside the optical network terminal (ONT). The fiber module is connected to the optical module. As shown in FIG. 4 and FIG. 5, the optical fiber 4 is introduced into the lower casing 2 through the fiber inlet 24, and then connected to the optical module 33 through the disk slot 34. The excess optical fiber 4 can also be connected. The disk is in the wire slot 34.

One GE (RJ45) and one Pots (RJ11) provided on the front of the Optical Network Terminal (ONT) are directly available to the user, and the user can directly access the network cable and the telephone line, that is, by using the optical network terminal (ONT). The optical fiber can directly reach the user, and the optical network terminal (ONT) does not occupy the office space, and is not exposed to the external power line, can keep the office environment simple and beautiful, and is suitable for the construction of the all-optical network of the office environment. In addition, as shown in FIG. 1 , the upper casing 1 of the optical network terminal of the embodiment further includes an indicator hole 13 , and each indicator hole corresponds to an indicator light, which can be correspondingly configured for indicating power and communication. Indicators for the working status of the interface and other modules.

In this embodiment, if the optical network terminal (ONT) is installed at the position of the type 86 switch panel in the disconnected cable trough, the bottom box is not required, and one GE interface can be provided on the back of the optical network terminal (ONT). With a Pots interface, the GE interface and the Pots interface provided on the back of the optical network terminal (ONT) can be RJ45 and RJ11 interfaces, or the card line terminals can be directly used for card line. Figure 6 and Figure 7 show the card line. The way the terminal is directly connected to the cable.

The GE interface and the Pots interface on the back of the optical network terminal (ONT) can be connected to the 86-type socket including the network port and the telephone port through the network cable and the telephone line inside the partition or the wall. In the position of the line, another user uses the network port and the telephone port through the type 86 socket, and the entire line does not need to take the open line, and can keep the appearance simple and beautiful. As shown in FIG. 8, the first GE interface 11 and the first Pots interface 12 on the front side of the optical network terminal (ONT) are directly provided to the user, and the second GE interface 21 and the second Pots on the back of the optical network terminal (ONT) are provided. The interface 22 can be connected by a cable to a universal type 86 socket including a network port 51 and a voice port 52 at another location for use by another user, and the connection cable can be placed in the cable duct. Not exposed to the outside. Of course, the number of interface groups in this embodiment can be flexibly set according to the actual number of users.

The optical network terminal (ONT) provided in this embodiment can be installed and used in the form of a switch panel/socket, and the usage scenario is more flexible and more space-saving. At the same time, the manner in which the front and back sides of the optical network terminal provided by the embodiment are out of the line greatly facilitates the installation and routing of the office partition, and the whole is simple and beautiful after installation, which greatly reduces the use length of the user network cable and reduces the wiring investment. It is of great value for the application and promotion of passive optical network (PON) technology in local area networks.

The above content is a further detailed description of the embodiments of the present disclosure in conjunction with the specific embodiments, and the specific implementation of the present disclosure is not limited to the description. It is to be understood by those skilled in the art that the present invention may be construed as being limited to the scope of the present disclosure.

Claims

An optical network terminal includes a housing, a circuit board, and an optical module, a signal processing module, a first communication interface, and a second communication interface disposed on the circuit board;

The first communication interface and the second communication interface are respectively disposed on a front side and a back side of the circuit board, and the housing includes an upper housing and a lower housing;

The upper casing is disposed on a front surface of the circuit board, and the upper casing is provided with a first interface through hole for the communication cable to be connected to the first communication interface through the first interface through hole;

The lower casing is disposed on a back surface of the circuit board, and the size of the lower casing is matched with an inner space size of the bottom panel of the switch panel, and the second casing is provided with a second interface through hole for communication Connecting a cable to the second communication interface through the second interface through hole;

The upper casing or the lower casing is further provided with an optical fiber access through hole for the optical fiber on the network side to be connected to the optical module through the optical fiber access through hole, and the optical signal from the optical fiber is The optical module is processed by the signal processing module and sent to the first communication interface or the second communication interface.
The optical network terminal according to claim 1, further comprising a power adapter module disposed on a rear surface of the circuit board and located inside the lower casing, and being disposed on the upper casing or the lower casing Power interface

An end of the power interface that is located in the optical network terminal is connected to an input end of the power adapter module, and an end of the power interface that is exposed outside the optical network terminal is connected to an external power source. An output of the mating module is coupled to the optical module and the signal processing module.
The optical network terminal of claim 1, wherein at least one of the optical module and the signal processing module is disposed on a front side of the circuit board.
The optical network terminal of claim 3, wherein the optical module is disposed on a front side of the circuit board.
The optical network terminal according to claim 4, wherein a disk slot is disposed on a front surface of said upper casing or said circuit board, said disk trunking being configured to accommodate said upper casing interior and said Optical fiber connected to the optical module.
The optical network terminal according to any one of claims 1 to 5, wherein the second communication interface is a card connector interface.
The optical network terminal according to any one of claims 1 to 5, wherein the first communication interface comprises at least one of a network interface and a telephone interface.
The optical network terminal according to any one of claims 1 to 5, wherein the second communication interface comprises at least one of a network interface and a telephone interface.
An optical network terminal system comprising a switch panel bottom box and the optical network terminal according to any one of claims 1 to 8, wherein the switch panel bottom box is installed at a pre-installation position of the optical network terminal, the light The lower housing of the network terminal is inserted into the bottom panel of the switch panel.
The optical network terminal system according to claim 9, wherein the length, width and height of the switch panel bottom case are 75 mm, 75 mm, and 50 mm, respectively.