CN208128254U - C-DOCSIS local side apparatus - Google Patents

Abstract

The utility model belongs to field of communication technology, design a kind of C-DOCSIS local side apparatus, including several C-DOCSIS modules, CPU management module, network management module and at least one power module, several C-DOCSIS modules and network management module are connected with CPU management module, and power module is electrically connected respectively with C-DOCSIS module, CPU management module and network management module.The equipment improves the equipment layout density of unit space, saves equipment machine room occupied space, can remotely be monitored management, and the reliability of equipment is improved using the dual power supply of combination diode.

Description

C-DOCSIS local side apparatus

Technical field

The utility model belongs to field of communication technology, a kind of C-DOCSIS local side apparatus is designed, more particularly to one C-DOCSIS local side apparatus of the kind for broadcasting and TV access net transmission.

Background technique

C-DOCSIS is the Radio Transmission Technology based on IEEE802.15.4 standard, be a kind of short distance, low complex degree, from Tissue, low-power consumption, low data rate, inexpensive wireless networking standard.It is automatic to be now widely used for smart home, building The application fields such as change, Industry Control.

In cable television bilateral construction net system, outdoor type C-DOCSIS local side covers 300 families by Coaxial distribution network and uses The network architecture at family is using commonplace.With the network upgrade evolution of light entering and copper back, the new network of C-DOCSIS+RFoG is answered With also gradually increasing.

Utility model patent if notification number is CN203801031U discloses a kind of novel cable television bilateral construction net System is specifically disclosed including MiniCMTS local side, and the MiniCMTS local side is connected with light transmitting-receiving local side, the light transmitting-receiving Local side is connected with optical splitter, and the optical splitter is connected with multiple RFoG light station, is respectively connected on each RFoG light station One coaxial passive distribution net, it is generally the case that if 1 set of C-DOCSIS local side band, 8 RFoG light stations, band 50 family in each light station is used The network application of 1 set of 400 family user of C-DOCSIS local side band is realized at family.The C-DOCSIS being placed in computer room in this application Local side is 1 " U " standard PC case structure, and with the propulsion that network is laid with, the inadequate problem in place apparatus space is increasingly prominent, such as covers Network of computer room is divided at 4 general-purpose family of lid, and the C-DOCSIS local side of newly-increased 100 1 " U " standard PC case structures is needed in computer room, and computer room is pre- Spacing requires high.On the other hand so the C-DOCSIS local side apparatus problem of management of scale, integrity problem also need further It solves.

Utility model content

Purpose of the utility model is to solve the above problems, provide a kind of C-DOCSIS local side apparatus.

In order to reach above-mentioned purpose of utility model, the utility model uses following technical scheme：

A kind of C-DOCSIS local side apparatus, including several C-DOCSIS modules, CPU management module, network management module and extremely A few power module, several C-DOCSIS modules and network management module are connected with CPU management module, power module and C- DOCSIS module, CPU management module and network management module are electrically connected respectively.

Further, the power module quantity is 2, is powered for double power supply parallel.

Further, for the power module when being powered simultaneously using dual power supply, each power module is semi-load power Work.

Further, the power module is also in series with diode, each power module with the input terminal phase of diode Even, the output end of two diodes is electrically connected with C-DOCSIS module, CPU management module and network management module respectively again after being connected.

Further, the diode is Schottky diode.

Further, the C-DOCSIS module has 8.

Further, the CPU management module is single-chip microcontroller, and CPU management module passes through serial interface and C-DOCSIS Module is connected.

Further, the network management module is provided with Ethernet interface data.

Further, the device layout is in 4 " U " standard machine frames.

Compared with prior art, beneficial effect is the utility model：The equipment layout density of unit space is improved, is saved Equipment machine room occupied space, can remotely be monitored management, and using combining the dual power supply of diode to improve equipment Reliability.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the power module of the utility model.

In figure：1C-DOCSIS module, 2CPU management module, 3 network management modules, 4 power modules, 5 diodes.

Specific embodiment

Explanation is further described to the technical solution of the utility model below by specific embodiment.

If raw material employed in the embodiments of the present invention is raw material commonly used in the art without specified otherwise, Method employed in embodiment is the conventional method of this field.

Embodiment：

A kind of C-DOCSIS local side apparatus is in the layout of in 4 " U " standard machine frames, as shown in Figure 1, including 8 C-DOCSIS moulds 4,81 functions of C-DOCSIS module of network management module 3 and 2 power module of CPU management module 2, one of block 1,1 are identical and phase Mutual independent operating.8 C-DOCSIS modules 1 and network management module 3 are connected with CPU management module 2, power module 4 and C- DOCSIS module 1, CPU management module 2 and network management module 3 are electrically connected respectively.CPU management module 2 passes through serial interface and C- DOCSIS module 1 is connected.

Realize that 8 road C-DOCSIS local side functions save occupancy to improve density of equipment in 4 " U " standard machine frames Space.

In the present embodiment, C-DOCSIS module 1 using Zhejiang Lan Lian Science and Technology Co., Ltd. model BL- The inserting module of E8K-U, realize IP signal and radiofrequency signal conversion, wherein 16 channel adjustable frequency range of downlink be 87 ~ 1000MHz, 4 channel adjustable frequency range of uplink are 5 ~ 65MHz.The module can realize that downlink 800Mbps, uplink 160Mbps are passed The broadband connections of defeated rate.

CPU manages 2 pieces of the mould STC12C series monolithics using macrocrystalline science and technology, is gone here and there by the RS232 of C-DOCSIS module 1 Mouth interface obtains the running parameter of each C-DOCSIS module 1, including supply voltage, downlink output channel, level, uplink input frequency Road, level etc..

Network management module 3 is provided with Ethernet interface data.The model ZLSN5103 network management produced using Shanghai Zhuo Lan science and technology The serial data that CPU management module provides is converted to the output of Ethernet interface data, realizes remote network management by module.

Model WN100-220V switch power module of the power module 4 using the production of Shenzhen Wei Nayuan electronics, input 100 ~240V alternating voltage exports two groups of DC voltages of 12V, 5V, using dual power supply warm back-up circuit, to C-DOCSIS module 1, CPU management module 2, network management module 3 are powered.Also, 4 quantity of power module is 2, is powered for double power supply parallel.

The power module 4 is also in series with diode 5, and each power module 4 is connected with the input terminal of diode 5, and two The output end of a diode 5 is electrically connected with C-DOCSIS module 1, CPU management module 2 and network management module 3 respectively again after being connected.To So that power module 4, when being powered simultaneously using dual power supply, each power module 4 is the work of semi-load power.When power supply all the way Another way power supply is automatically upgraded to full-load power work when failure, realizes warm standby function.In order to reach above-mentioned function, diode 5 be Schottky diode 5, itself pressure drop is reduced while playing unilateal conduction function.

Claims (9)

1. a kind of C-DOCSIS local side apparatus, including several C-DOCSIS modules（1）, CPU management module（2）, network management module （3）With at least one power module（4）, which is characterized in that several C-DOCSIS modules（1）With network management module（3）And CPU Management module（2）It is connected, power module（4）With C-DOCSIS module（1）, CPU management module（2）With network management module（3）Respectively It is electrically connected.

2. C-DOCSIS local side apparatus according to claim 1, which is characterized in that the power module（4）Quantity is 2 It is a, it powers for double power supply parallel.

3. C-DOCSIS local side apparatus according to claim 2, which is characterized in that the power module（4）Using double When power supply is powered simultaneously, each power module（4）It is the work of semi-load power.

4. C-DOCSIS local side apparatus according to claim 2 or 3, which is characterized in that the power module（4）Also connect There is diode（5）, each power module（4）And diode（5）Input terminal be connected, two diodes（5）Output end phase Lian Houzai and C-DOCSIS module（1）, CPU management module（2）With network management module（3）It is electrically connected respectively.

5. C-DOCSIS local side apparatus according to claim 4, which is characterized in that the diode（5）It is Schottky Diode（5）.

6. C-DOCSIS local side apparatus according to claim 1, which is characterized in that the C-DOCSIS module（1）Have 8 It is a.

7. C-DOCSIS local side apparatus according to claim 1, which is characterized in that the CPU management module（2）For monolithic Machine, and CPU management module（2）Pass through serial interface and C-DOCSIS module（1）It is connected.

8. C-DOCSIS local side apparatus according to claim 1, which is characterized in that the network management module（3）Be provided with Too network interface data.

9. C-DOCSIS local side apparatus according to claim 2, which is characterized in that the device layout is in 4 " U " Standard Machines In frame.