CN102970059B - A kind of EOC is from ring detecting system and method - Google Patents
A kind of EOC is from ring detecting system and method Download PDFInfo
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- CN102970059B CN102970059B CN201210568571.6A CN201210568571A CN102970059B CN 102970059 B CN102970059 B CN 102970059B CN 201210568571 A CN201210568571 A CN 201210568571A CN 102970059 B CN102970059 B CN 102970059B
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Abstract
The present invention relates to one kind from ring detecting system and method, more particularly to a kind of EOC is from ring detecting system and method, headend and terminal module including communication connection, terminal module includes protocol apparatus, switch and detection control apparatus, headend is connected by protocol apparatus with switch, detection control apparatus is connected with protocol apparatus and switch respectively, i.e. by being set in terminal module from ring detection control circuit, when terminal module occurs from ring phenomenon, it can timely interrupt and occur to be connected with the communication of EOC head ends from the EOC terminal of ring phenomenon, to avoid causing EOC head ends from paralysing, and then have influence on the communication connection of other users EOC terminal and above-mentioned EOC head ends, transmitting to system maintenance system promptly and accurately can also be will appear from from the EOC terminal information of ring phenomenon simultaneously, in order to the maintenance of system.
Description
Technical field
The present invention relates to one kind from ring detecting system, more particularly to a kind of EOC is from ring detecting system and method.
Background technology
Ether data are transmitted by coaxial cable（Ethernet over COAX, abbreviation EOC）System, is in coaxial cable
Middle progress Ethernet data signal transmission, i.e., carry out data transmission in coaxial cable ethernet signal after ovennodulation, its
Frequency is not take up cable television frequency band, can and cable television frequency coexistence, due to its have it is simple, stably, safety, cost it is low
The advantages of, it is widely used in Two-way Network renovation technique.
EOC systems are mainly made up of EOC head ends and user's EOC terminal system, are specially：EOC headends are receiving
After signal from cable television and the data-signal from internet, to data signal modulation and with FDM modes and wired electricity
Merge depending on signal, then each user is sent to by coaxial network, and user's EOC terminal is then after signal is received, by number
It is believed that number being separated with cable TV signal and data-signal being demodulated, to send user data terminal module to；Wherein, exist
When user data terminal carries out data exchange with EOC head ends, after the upward signal of data terminal need to be modulated through user's EOC terminal
Into coaxial network and deliver to EOC headends.
But, when user is in maloperation EOC terminal, it may trigger and be produced from ring phenomenon, and EOC head ends are being received
During the broadcast singal of EOC terminal, broadcast storm can be caused, cause link congestion, i.e. EOC head end networks to be paralysed so that other use
Family EOC terminal can not be communicated with EOC head ends, cause serious communication failure.
The content of the invention
For above mentioned problem present in existing EOC systems, a kind of EOC is now provided from ring detecting system and method, no
Can only detect that user's EOC terminal occurs from ring phenomenon in time, moreover it is possible to timely cut-out occur from the EOC terminal of ring phenomenon with
The data cube computation of EOC head ends, to avoid the communication connection for having influence on other users EOC terminal and above-mentioned EOC head ends, while will go out
Existing the transmitting to system maintenance system promptly and accurately from the EOC terminal information of ring phenomenon, in order to the maintenance of system.
The purpose of the present invention is achieved through the following technical solutions：
The invention discloses a kind of EOC from ring detecting system, the EOC systems include headend and terminal module, institute
Stating terminal module includes protocol apparatus and switch, and the headend is connected by the protocol apparatus and the switch
Connect, be provided with the switch from ring and detect signal output part, wherein, the terminal module also includes a detection control dress
Put；
It is provided with the detection control apparatus from ring and detects signal input part and control signal output, it is described from ring inspection
Survey signal input part with it is described from ring detect signal output part be connected, the control signal output respectively with the switch
With protocol apparatus connection.
Above-mentioned EOC from ring detecting system, wherein, the detection control apparatus include with triple gate function chip,
It is described to be set on the chip from ring detection signal input part, the signal output part of the chip respectively with the switch
Connected with the control signal of the protocol apparatus.
Above-mentioned EOC from ring detecting system, wherein, the switch detect from ring detect signal when, it is described from ring
Detect that signal output part exports the square wave in 800ms cycles.
Above-mentioned EOC from ring detecting system, wherein, in addition to reporting module and system maintaining module, the reporting module
It is connected respectively with the switch and the system maintaining module.
Above-mentioned EOC systems from ring detection method, wherein, when the switch detect the terminal module occur from
During ring phenomenon, the reporting module will occur to be uploaded to the system maintaining module from the terminal module information of ring phenomenon.
The invention also discloses a kind of EOC systems from ring detection method, wherein, applied to as described in above-mentioned any one
EOC comprises the following steps from ring detecting system：
The switch detects terminal module state, and exports corresponding detection signals to the detection control apparatus；
The detection control apparatus exports corresponding control signal according to the detection signal received and exchanged to described respectively
Device and the protocol apparatus；
The switch and the protocol apparatus are acted accordingly according to the control signal.
Above-mentioned EOC systems from ring detection method, wherein, when the switch detect the terminal module occur from
During ring phenomenon, connection control signal is interrupted in the detection control apparatus output, disconnects the terminal module and the headend
Communication connection.
Above-mentioned EOC systems from ring detection method, wherein, the switch and the protocol apparatus receive the control
Signal, interrupts the communication connection of the switch and the protocol apparatus, so that the terminal module and the headend
Communication connection disconnect.
In summary, a kind of EOC of the invention is detected from ring detecting system and method by being set in terminal module from ring
Control device, when terminal module occurs from ring phenomenon, can timely interrupt the EOC terminal and EOC head ends occurred from ring phenomenon
Communication connection, to avoid causing EOC head ends from paralysing, and then have influence on the communication of other users EOC terminal and above-mentioned EOC head ends
Connection, while transmitting to system maintenance system promptly and accurately can also will appear from from the EOC terminal information of ring phenomenon, is easy to system
Maintenance.
Brief description of the drawings
Fig. 1 is structural representations of the EOC of the present invention from ring detecting system and method；
Fig. 2 is the electrical block diagram of the embodiment of the present invention；
Fig. 3 be the embodiment of the present invention in RTL8306E chips detect terminal module occur from ring phenomenon when output signal show
It is intended to.
Embodiment
The embodiment to the present invention is further described below in conjunction with the accompanying drawings：
Fig. 1 is structural representations of the EOC of the present invention from ring detecting system and method, and Fig. 2 is the circuit of the embodiment of the present invention
Structural representation, Fig. 3 be the embodiment of the present invention in RTL8306E chips detect terminal module occur from ring phenomenon when output letter
Number schematic diagram.
As shown in figure 1, a kind of EOC of the invention includes the headend and terminal module of communication connection from ring detecting system,
The terminal module includes protocol apparatus, switch and detection control apparatus；Headend passes through protocol apparatus and switch
Connection, the detection signal input part of detection control apparatus and the detection signal output part of switch are connected, detection control apparatus
Control signal input of the control signal output respectively with switch and protocol apparatus be connected.
When such as PC user equipmenies on terminal module trigger terminal module to be produced from ring phenomenon due to maloperation, exchange
Device will be detected immediately upon and export the square wave in 800 ms cycles（It may be alternatively provided as the letter of other times cycle and/or waveform
Number represent to detect generation from ring phenomenon）, occur to represent to have detected terminal module from ring phenomenon；Detection control apparatus connects
Receive expression to occur from after the signal of ring phenomenon, the control signal connected with regard to outlet terminal, the chip such as with triple gate function
Just output high level, draws high the level of the control signal of switch and protocol apparatus, and then interrupt headend accordingly
With the connection of terminal module, the broadcast storm caused by terminal module occurs from ring can be prevented effectively from and cause headend paralysis existing
The generation of elephant.
In addition, present system is additionally provided with reporting module and system maintaining module, reporting module is connected with switch,
When switch, which is detected, to be occurred from ring phenomenon, the terminal module information from ring phenomenon will just occur for reporting module such as IP
The information such as location, device numbering are sent to system maintaining module, in order to system maintenance personnel promptly and accurately to breaking down
Terminal module is repaired.
As shown in Fig. 2 specifically, based on EOC systems from ring detection circuit, terminal module includes having from ring detecting
Chip RTL8306E-CG, the chip I NT6400 of functional pin and the chip ATtiny13A with triple gate function, and chip
ATtiny13A pin 1（PB5）With chip I NT6400 pin C14（RESET#）Connection, chip ATtiny13A pin 3
（PB4）With pin 6（PB1）With chip RTL8306E-CG pin 90（ENDEFER/LOOPLED#）Connection, chip
ATtiny13A pin 4（GND）With pin 8（VCC）By 0.1uf electric capacity C connections, and the pin 4（GND）Ground connection, pin
8（VCC）It is connected with power vd D；In addition, chip ATtiny13A pin 7（PB2）Respectively with chip I NT6400 pin C11
（MRX-DV）With chip RTL8306E-CG pin 52（M(R)TXEN/PRXDV）Connection.
Wherein, chip RTL8306E-CG is connected with user terminal, chip I NT6400 by coaxial cable transmission port with
Headend is connected.
When chip RTL8306E-CG detects loop free signal in terminal module, its pin 90 output low-voltage, chip
ATtiny13A pin 7 also export low level, i.e. chip I NT6400 pin 11 and chip RTL8306E-CG pin 52 it is equal
For low level so that II mouthful of normal communication of M that terminal module is connected with headend；And when chip RTL8306E-CG is detected
Have in terminal module from ring signal when, its pin 90 export 800 ms cycles square wave（As shown in Figure 3）, chip ATtiny13A
The defeated high level of pin 7, and then draw high the level of chip I NT6400 pin 11 and chip RTL8306E-CG pin 52, make
II mouthful of the M that be connected with headend of terminal module is interrupted and communicated, can thus be prevented effectively from because terminal module generation is from ring
Cause the generation of EOC head end paralysis.
Further, the system maintenance mould for be additionally provided with the reporting system being connected with exchange chip, being connected with reporting system
Block, when exchange chip, which detects terminal module, to be occurred from ring phenomenon, will just occur the terminal module information such as IP from ring phenomenon
Address, device numbering etc. are sent into system maintaining module, in order to which system maintenance personnel tie up to the equipment broken down
Shield.
In summary, a kind of EOC of the invention is detected from ring detecting system and method by being set in terminal module from ring
Circuit is controlled, when terminal module occurs from ring phenomenon, the EOC terminal and EOC head ends occurred from ring phenomenon can be interrupted in time
Communication connection, to avoid causing EOC head ends from paralysing, and then has influence on the communication link of other users EOC terminal and above-mentioned EOC head ends
Connect, while can also will appear from timely and accurately transmitting to system maintaining module from the EOC terminal information of ring phenomenon, in order to system
Maintenance.
By explanation and accompanying drawing, the exemplary embodiments of the specific structure of embodiment are given, based on essence of the invention
God, can also make other conversions.Although foregoing invention proposes existing preferred embodiment, however, these contents are not intended as
Limitation.
For a person skilled in the art, read after described above, various changes and modifications undoubtedly will be evident.
Therefore, appended claims should regard whole variations and modifications of the true intention and scope that cover the present invention as.In power
Any and all scope and content of equal value, are all considered as still belonging to the intent and scope of the invention in the range of sharp claim.
Claims (8)
1. a kind of EOC includes headend and terminal module from ring detecting system, the EOC systems, the terminal module includes
Protocol apparatus and switch, the headend are connected by the protocol apparatus with the switch, described to exchange dress
Put to be provided with from ring and detect signal output part, it is characterised in that the terminal module also includes a detection control apparatus；
It is provided with the detection control apparatus from ring and detects signal input part and control signal output, described detected from ring is believed
Number input is connected with described from ring detection signal output part, the control signal output respectively with the switch and institute
State protocol apparatus connection；
Wherein, the headend receives the signal from cable television and the data-signal from internet, and with right
The data signal modulation and after being merged in FDM modes with cable TV signal, is exported by coaxial network；The terminal module
Including with from the chip RTL8306E-CG of ring detecting function pin, chip I NT6400 and the chip with triple gate function
ATtiny13A, and chip ATtiny13A pin 1 (PB5) is connected with chip I NT6400 pin C14 (RESET#), chip
Pin 90 (ENDEFER/ of the ATtiny13A pin 3 (PB4) and pin 6 (PB1) with chip RTL8306E-CG
LOOPLED#) connect, chip ATtiny13A pin 4 (GND) and pin 8 (VCC) by 0.1uf electric capacity C connections, and this
Pin 4 (GND) ground connection, pin 8 (VCC) are connected with power vd D；In addition, chip ATtiny13A pin 7 (PB2) respectively with core
Piece INT6400 pin C11 (MRX-DV) and chip RTL8306E-CG pin 52 (M (R) TXEN/PRXDV) connection.
2. EOC according to claim 1 is from ring detecting system, it is characterised in that the detection control apparatus includes having
The chip ATtiny13A of triple gate function, described to be arranged on from ring detection signal input part on the chip ATtiny13A, institute
Control signal of the chip ATtiny13A signal output part respectively with the switch and the protocol apparatus is stated to be connected.
3. EOC according to claim 1 is from ring detecting system, it is characterised in that the switch is detected from ring inspection
It is described to detect that signal output part exports the square wave in 800ms cycles from ring when surveying signal.
4. EOC according to claim 1 is from ring detecting system, it is characterised in that also including reporting module and system maintenance
Module, the reporting module is connected with the switch and the system maintaining module respectively.
5. EOC according to claim 4 is from ring detecting system, it is characterised in that when the switch detect it is described
Terminal module occur from ring phenomenon when, the reporting module will occur to be uploaded to the system from the terminal module information of ring phenomenon
Maintenance module.
6. a kind of EOC systems are from ring detection method, it is characterised in that applied to the EOC as described in any one in claim 1-5
From ring detecting system, comprise the following steps：
The switch detects terminal module state, and exports corresponding detection signals to the detection control apparatus；
The detection control apparatus exports corresponding control signal to the switch respectively according to the detection signal received
With the protocol apparatus；
The switch and the protocol apparatus are acted accordingly according to the control signal；
Wherein, the terminal module include having from the chip RTL8306E-CG of ring detecting function pin, chip I NT6400 and
Chip ATtiny13A with triple gate function, and the pin of chip ATtiny13A pin 1 (PB5) and chip I NT6400
C14 (RESET#) connections, chip ATtiny13A pin 3 (PB4) and pin 6 (PB1) draw with chip RTL8306E-CG
Pin 90 (ENDEFER/LOOPLED#) is connected, the electricity that chip ATtiny13A pin 4 (GND) and pin 8 (VCC) pass through 0.1uf
Hold C connections, and the pin 4 (GND) ground connection, pin 8 (VCC) are connected with power vd D；In addition, chip ATtiny13A pin 7
(PB2) (M (R) TXEN/ of pin 52 respectively with chip I NT6400 pin C11 (MRX-DV) and chip RTL8306E-CG
PRXDV) connect.
7. EOC systems according to claim 6 are from ring detection method, it is characterised in that when the switch is detected
The terminal module occur from ring phenomenon when, connection control signal is interrupted in the detection control apparatus output, disconnects the terminal
Module is connected with the communication of the headend.
8. EOC systems according to claim 7 are from ring detection method, it is characterised in that the switch and the association
Discuss device and receive the control signal, the communication connection of the switch and the protocol apparatus is interrupted, so that the terminal
Module is connected disconnection with the communication of the headend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568571.6A CN102970059B (en) | 2012-12-24 | 2012-12-24 | A kind of EOC is from ring detecting system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568571.6A CN102970059B (en) | 2012-12-24 | 2012-12-24 | A kind of EOC is from ring detecting system and method |
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| Publication Number | Publication Date |
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| CN102970059A CN102970059A (en) | 2013-03-13 |
| CN102970059B true CN102970059B (en) | 2017-08-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104716989B (en) * | 2013-12-13 | 2017-03-15 | 上海未来宽带技术股份有限公司 | A kind of coaxial network link-quality method of real-time and system |
| CN103986629B (en) * | 2014-06-06 | 2017-04-12 | 中磊电子（苏州）有限公司 | Network terminal equipment and control method thereof |
| CN106233568B (en) * | 2015-03-10 | 2019-08-16 | 华为技术有限公司 | A kind of charging equipment is from ring detection method and device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202206389U (en) * | 2011-07-27 | 2012-04-25 | 福建金钱猫电子科技有限公司 | Coaxial cable EOC (Ethernet over COAX) system supporting loop circuit detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL174930A0 (en) * | 2006-04-11 | 2007-07-04 | Link Fusion Ltd | Metod and apparatus for provisioning triple play services over existing copper infrastructure |
| CN201234257Y (en) * | 2008-07-16 | 2009-05-06 | 谢世锋 | Telecommunication network house entering system |
| CN102170383B (en) * | 2011-04-07 | 2016-04-20 | 瑞斯康达科技发展股份有限公司 | Control circuit, ethernet switching device and ethernet port cut-off method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202206389U (en) * | 2011-07-27 | 2012-04-25 | 福建金钱猫电子科技有限公司 | Coaxial cable EOC (Ethernet over COAX) system supporting loop circuit detection |
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Granted publication date: 20170804 Termination date: 20181224 |