CN108732692B - A kind of photosignal automatic switching method - Google Patents
A kind of photosignal automatic switching method Download PDFInfo
- Publication number
- CN108732692B CN108732692B CN201810463980.7A CN201810463980A CN108732692B CN 108732692 B CN108732692 B CN 108732692B CN 201810463980 A CN201810463980 A CN 201810463980A CN 108732692 B CN108732692 B CN 108732692B
- Authority
- CN
- China
- Prior art keywords
- signal
- pdh
- electric signal
- place
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/4278—Electrical aspects related to pluggable or demountable opto-electronic or electronic elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/4284—Electrical aspects of optical modules with disconnectable electrical connectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of photosignal automatic switching method, specific steps are as follows: pulse command parsing is carried out when signal transmits；It chooses whether to be configured；If option and installment, opens configuration selection, closes hardware selection；If not option and installment, closes configuration selection, opens hardware selection；After option and installment, mode type judgement is carried out；If user input instruction 00,2M PDH electric signal is exported；If user input instruction 01,2M PDH optical signal is exported；Not when option and installment, 2M PDH electric signal is exported.The present invention carries out code conversion output 2M PDH optical signal when user needs using 2M PDH optical signal, when needing using 2M PDH electric signal, default output 2M PDH electric signal, user is solved not only to have needed with 2M PDH optical signal but also needed the demand with 2M PDH electric signal, and configuration power port and two discharge plate of optical port are not needed, save cost and power consumption.
Description
Technical field
The present invention relates to photoelectric signal transformation technical fields, are a kind of photosignal automatic switching methods specifically.
Background technique
Previous transmission network 2M PDH is by cable transmission, and by the way of HDB3 code conversion, output 2M PDH is electric
Signal.The transmission range of this transmission mode is short, and is easy to be only suitable for by environmental disturbances in the preferable telecommunications of environmental condition
It is applied in computer room.But in the electric control system of original foundation, since environmental condition is poor, there is stronger electromagnetic interference, together
When transmission range farther out, so it is improper using 2M PDH electric signal transmission in modern power controlling signal system.?
In now net application, optical fiber transmission becomes the prevailing transmission means of modern communication networks, in real case, it is often necessary in original electricity
2M PDH electric signal, is converted into 2M PDH optical signal by an external photoelectric converter in the case where cable.But it will cause this in this way
With the waste of power consumption, and exist management blind area, be unfavorable for on-site maintenance.
Summary of the invention
The purpose of the present invention is to provide a kind of photosignal automatic switching methods, are designed based on original power port, installation one
A photoelectricity pluggable module can both export 2M PDH optical signal, can also directly export 2M PDH electric signal.
The present invention is achieved through the following technical solutions: a kind of photosignal automatic switching method, automatic by photosignal
Conversion equipment realizes photosignal automatic conversion, specifically includes the following steps:
Step L1: pulse command parsing is carried out when signal transmits；
Step L2: it chooses whether to be configured；If option and installment, opens configuration selection, closes hardware selection；If not selecting
Configuration is selected, then closes configuration selection, open hardware selection；
Step L3: after option and installment, mode type judgement is carried out；If user input instruction 00,2M PDH telecommunications is exported
Number；If user input instruction 01,2M PDH optical signal is exported；
Step L4: not when option and installment, 2M PDH electric signal is exported.
Further, in order to preferably realize the present invention, the photosignal automatic transfer equipment include respectively with cable
Output end connection photoelectricity pluggable module and photoelectric converter, the photoelectricity pluggable module include the output end with cable
Photopotential signal detection module, the photoelectricity of connection automatically select module；The photopotential signal detection module, photoelectricity automatically select
Module and photoelectric converter are sequentially connected；The photopotential signal detection module is provided with optical module switch；The photoelectricity is certainly
Dynamic selecting module includes that light signal port in place, light signal port not in place and electric signal delivery outlet, the photoelectric converter include
Electric signal input port and optical signal delivery outlet；Light signal port in place, light signal port not in place are examined with photopotential signal respectively
Survey module connection, electric signal delivery outlet connect with light signal port not in place, light signal port in place, electric signal input port and
Optical signal delivery outlet is sequentially connected；The light signal port in place includes switch S1, and light signal port not in place includes switch S2, telecommunications
Number input port includes switch S3, electric signal delivery outlet switch S4.
Further, in order to preferably realize the present invention, the step L3 is further comprising the steps of:
Step L31: after option and installment, mode type judgement is carried out；User input instruction 00, be mode 0: optical signal does not exist
Position, optical module switch is in the default conditions closed at this time；
Step L32: photopotential signal detection module detects light signal not in place, then output order 0101, opening S2,
S4 closes S1, S3；
Step L33: to pass to electric signal delivery outlet direct by light signal port not in place for the 2M PDH electric signal of cable output
Output uses.
Step L34: user input instruction 01, be mode 1: optical signal is in place, and optical module switch is opened at this time；
Step L35: photopotential signal detection module detects light signal in place, then output order 1010, opens S1, S3,
Close S2, S4；
Step L36: the 2M PDH electric signal of cable output is passed to photoelectricity from electric signal input port by light signal port in place
Converter becomes the output use of 2M PDH optical signal after carrying out code conversion.
Further, in order to preferably realize the present invention, the step L36 is specifically referred to:
The coding of the 2M PDH electric signal is HDB3 code, and the coding of 2M PDH optical signal is NRZ code；HDB3 code is three ranks
High-density bipolar code removes the negative level of HDB3 code first, is then reconverted into NRZ when being converted to 2M PDH optical signal
After code, 2M PDH optical signal is exported by optical signal delivery outlet and is used.
Further, in order to preferably realize the present invention, the step L4 is specifically referred to:
Not when option and installment, the 2M PDH electric signal of cable output enters photoelectric converter progress by electric signal input port
2M PDH optical signal is exported after code conversion to use.
It further, further include the protector that cable protection section is set, the photoelectricity in order to preferably realize the present invention
Position signal detection module, photoelectric converter pass through protector respectively and the output end of cable connects.
Working principle:
1. carrying out pulse command parsing when original cable transmission 2M PDH electric signal.
2. installing a photoelectricity pluggable module, Yong Huxuan based on the design of existing power port and mounted photoelectric converter
It selects and whether is configured.
If carrying out mode type judgement in next step 3. option and installment, when user input instruction 00, be mode 0: optical signal is not
In place, optical module switch is in the closed state defaulted at this time, then directly output 2M PDH electric signal uses；User input instruction
When 01, be mode 1: optical signal is in place, and optical module switch is in an open state at this time, and the 2M PDH electric signal of cable output enters light
Electric conversion module carries out code conversion and exports 2M PDH optical signal.
4. if the 2M PDH electric signal of cable output enters photoelectric conversion module, and to carry out code conversion only defeated not option and installment
2M PDH optical signal out.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
The present invention is designed based on existing power port, increases a photoelectricity pluggable module, is needed in user using 2M PDH
Code conversion is carried out when optical signal exports 2M PDH optical signal, when needing using 2M PDH electric signal, photoelectricity pluggable module
Default output 2M PDH electric signal solves user and had not only needed with 2M PDH optical signal but also needed the demand with 2M PDH electric signal,
And configuration power port and two discharge plate of optical port are not needed, save cost and power consumption.
Detailed description of the invention
Fig. 1 is work flow diagram of the present invention；
Fig. 2 is present system block diagram；
Fig. 3 is that photoelectricity automatically selects module and photoelectric converter circuit diagram；
Wherein 1- photoelectricity pluggable module, 2- photopotential signal detection module, 3- photoelectricity automatically select module, 4- light
Electric transducer, K- optical module switch, A- light signal port in place, B- light signal port not in place, C- electric signal input port, D- electric signal
Delivery outlet, E- optical signal delivery outlet.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
Embodiment 1:
The present invention is achieved through the following technical solutions, and as shown in Figure 1-Figure 3, a kind of photosignal automatic switching method leads to
It crosses photosignal automatic transfer equipment and realizes photosignal automatic conversion, specifically includes the following steps: step L1: when signal transmits
Carry out pulse command parsing；Step L2: it chooses whether to be configured；If option and installment, opens configuration selection, closes hardware choosing
It selects；If not option and installment, closes configuration selection, opens hardware selection；Step L3: it after option and installment, carries out mode type and sentences
It is disconnected；If user input instruction 00,2M PDH electric signal is exported；If user input instruction 01,2M PDH optical signal is exported；Step
Rapid L4: not when option and installment, 2M PDH electric signal is exported.
It should be noted that specific implementation method is by above-mentioned improvement: when original cable transmission 2M PDH electric signal into
The parsing of row pulse command, user choose whether to configure, and configuration selection is opened if option and installment, closes hardware selection, so
Mode type judgement is carried out afterwards.If user needs to input instruction 00, the 2M PDH electricity of cable output using 2M PDH electric signal
Signal is directly over photopotential signal detection module 2 and photoelectricity automatically selects module 3 and exports the use of 2M PDH electric signal.If user
It needs then to input instruction 01 using 2M PDH optical signal, the 2M PDH electric signal of cable output is directly over the inspection of photopotential signal
Surveying module 2 and photoelectricity and automatically selecting to be transferred to photoelectric converter 4 again after module 3 and carry out code conversion output 2M PDH optical signal makes
With.
If user does not select to configure, closes configuration selection, opens hardware selection, the 2M PDH telecommunications of cable output
It number is directly over photopotential signal detection module 2 and photoelectricity automatically selects and is transferred to photoelectric converter 4 again after module 3 and encoded
Conversion output 2M PDH optical signal uses.Not when option and installment, 2M PDH optical signal can only be exported.It realizes user and both needs 2M
PDH electric signal needs the demand of 2M PDH optical signal again, and does not need configuration power port and two discharge plate of optical port, saved cost and
Power consumption.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 2:
The present invention is achieved through the following technical solutions, as shown in Figure 1-Figure 3, a kind of photosignal automatic switching method, institute
Stating photosignal automatic transfer equipment includes the photoelectricity pluggable module 1 connecting respectively with the output end of cable and photoelectric converter
4, the photoelectricity pluggable module 1 includes that photopotential signal detection module 2, the photoelectricity connecting with the output end of cable automatically select
Module 3；The photopotential signal detection module 2, photoelectricity automatically select module 3 and photoelectric converter 4 is sequentially connected；The light
Electric potential signal detection module 2 is provided with optical module switch K；It includes light signal port A in place, light that the photoelectricity, which automatically selects module 3,
Signal port B and electric signal delivery outlet D not in place, the photoelectric converter 4 include electric signal input port C and optical signal delivery outlet
E；Light signal port A in place, light signal port B not in place are connect with photopotential signal detection module 2 respectively, electric signal delivery outlet
D is connect with light signal port B not in place, and light signal port A, electric signal input port C and the optical signal delivery outlet E in place successively connect
It connects；The light signal port A in place includes switch S1, and light signal port B not in place includes switch S2, and electric signal input port C includes opening
Close S3, electric signal delivery outlet D switch S4.
It should be noted that previous transmission network 2M PDH signal is by cable transmission, original by above-mentioned improvement
In the case that cable output end and photoelectric converter 4 connect, a photoelectricity pluggable module 1 is installed and is combined with photoelectric converter 4
Form new photosignal automatic transfer equipment, realization, which does not change original cable arrangement and can complete user, had both needed 2M PDH
Electric signal, and need the demand of 2M PDH optical signal.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 3:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1, the step L3 further include with
Lower step: step L31: after option and installment, mode type judgement is carried out；User input instruction 00, be mode 0: optical signal does not exist
Position, optical module switch K is in the default conditions closed at this time；Step L32: photopotential signal detection module 2 detects that light does not exist
Position signal, then output order 0101, opens S2, S4, closes S1, S3；Step L33: the 2M PDH electric signal of cable output passes through
Light signal port B not in place passes to electric signal delivery outlet D and directly exports use.Step L34: user input instruction 01 is mode 1:
Optical signal is in place, and optical module switch K is opened at this time；Step L35: photopotential signal detection module 2 detects light signal in place, then
Output order 1010 opens S1, S3, closes S2, S4；Step L36: the 2M PDH electric signal of cable output passes through light signal in place
Mouth A is passed to after photoelectric converter 4 carries out code conversion from electric signal input port C becomes the output use of 2M PDH optical signal；It is described
Step L36 is specifically referred to: the coding of the 2M PDH electric signal is HDB3 code, and the coding of 2M PDH optical signal is NRZ code；HDB3
Code is High Density Bipolar 3, when being converted to 2M PDH optical signal, removes the negative level of HDB3 code first, then turns again
After being changed to NRZ code, 2M PDH optical signal is exported by optical signal delivery outlet E and is used.
It should be noted that after user's option and installment, the judgement of Yao Jinhang mode type, there are two types of moulds by above-mentioned improvement
Formula type is mode 0 respectively: optical signal is not in place with mode 1: optical signal is in place.When user is needed using 2M PDH electric signal,
Instruction 00 is then inputted, optical module switch K is in the closed state of default at this time, and be mode 0: optical signal is not in place, photopotential letter
Number detection module 2 detects that optical signal is not in place, then 2 output order 0101 of photopotential signal detection module, and photoelectricity selects automatically
It selects module to turn on the switch S2, switch S4 and turn off the switch S1, switch S3, the 2M PDH electric signal of cable output does not exist by light
Position signal port B passes to electric signal delivery outlet D and directly exports use.
When user is needed using 2M PDH optical signal, then instruction 01 is inputted, it is mode 1 that optical module switch K, which is opened, at this time:
Optical signal is in place, and photopotential signal detection module 2 detects that optical signal is in place, and the then output of photopotential signal detection module 2 refers to
1010 are enabled, photoelectricity automatically selects module and turns on the switch S1, switch S3 and turn off the switch S2, switch S4, the 2M of cable output
PDH electric signal is passed to photoelectric converter 4 from electric signal input port C by light signal port A in place and carries out code conversion.The cable
The coding of the 2M PDH electric signal of output is HDB3 code, and the coding of 2M PDH optical signal is NRZ code；HDB3 code is three rank high density
Bipolar code removes the negative level of HDB3 code when being converted to 2M PDH optical signal first, after being then reconverted into NRZ code, leads to
Optical signal delivery outlet E output 2M PDH optical signal is crossed to use.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 4:
The present embodiment advanced optimizes on the basis of the above embodiments, and as shown in Figure 1-Figure 3, the step L4 is specific
Refer to: not when option and installment, the 2M PDH electric signal of cable output enters the progress of photoelectric converter 4 by electric signal input port C
2M PDH optical signal is exported after code conversion to use.
It should be noted that by above-mentioned improvement, not when option and installment, that is, 1 not enabled of photoelectricity pluggable module installed,
The 2M PDH electric signal of cable output enters photoelectric converter 4 by electric signal input port C and carries out code conversion, and the cable is defeated
The coding of 2M PDH electric signal out is HDB3 code, and the coding of 2M PDH optical signal is NRZ code；HDB3 code is that three rank high density are double
Polar code removes the negative level of HDB3 code when being converted to 2M PDH optical signal first, after being then reconverted into NRZ code, passes through
Optical signal delivery outlet E exports 2M PDH optical signal and uses.This implementation column can only export 2M PDH optical signal.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 5:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1-Figure 3, a kind of photosignal from
Dynamic conversion method realizes photosignal automatic conversion by photosignal automatic transfer equipment, specifically includes the following steps: step
L1: pulse command parsing is carried out when signal transmits；Step L2: it chooses whether to be configured；If option and installment, configuration choosing is opened
It selects, close hardware selection；If not option and installment, closes configuration selection, opens hardware selection；Step L3: after option and installment, into
The judgement of row mode type；If user input instruction 00,2M PDH electric signal is exported；If user input instruction 01, exports 2M
PDH optical signal；Step L4: not when option and installment, 2M PDH electric signal is exported；The photosignal automatic transfer equipment includes point
The photoelectricity pluggable module 1 and photoelectric converter 4 not connect with the output end of cable, the photoelectricity pluggable module 1 include with
Photopotential signal detection module 2, the photoelectricity of the output end connection of cable automatically select module 3；The photopotential signal detection mould
Block 2, photoelectricity automatically select module 3 and photoelectric converter 4 is sequentially connected；The photopotential signal detection module 2 is provided with light
Module switch K；It includes that light signal port A in place, light signal port B not in place and electric signal are defeated that the photoelectricity, which automatically selects module 3,
D is exported, the photoelectric converter 4 includes electric signal input port C and optical signal delivery outlet E；Light signal port A in place, light are not
Signal port B in place is connect with photopotential signal detection module 2 respectively, and electric signal delivery outlet D is connect with light signal port B not in place,
Light signal port A, electric signal input port C and the optical signal delivery outlet E in place are sequentially connected；The light signal port A packet in place
Switch S1 is included, light signal port B not in place includes switch S2, and electric signal input port C includes switch S3, electric signal delivery outlet D switch
S4；The step L3 is further comprising the steps of: step L31: after option and installment, carrying out mode type judgement；User input instruction
00, be mode 0: optical signal is not in place, and optical module switch K is in the default conditions closed at this time；Step L32: photopotential signal
Detection module 2 detects light signal not in place, then output order 0101, opens S2, S4, closes S1, S3；Step L33: cable is defeated
2M PDH electric signal out passes to electric signal delivery outlet D by light signal port B not in place and directly exports use.Step L34: user
Input instruction 01, be mode 1: optical signal is in place, and optical module switch K is opened at this time；Step L35: photopotential signal detection module 2
It detects light signal in place, then output order 1010, opens S1, S3, close S2, S4；Step L36: the 2M PDH of cable output
Electric signal, which is passed to after photoelectric converter 4 carries out code conversion by light signal port A in place from electric signal input port C, becomes 2M PDH
Optical signal output uses；The step L36 is specifically referred to: the coding of the 2M PDH electric signal is HDB3 code, 2M PDH light letter
Number coding be NRZ code；HDB3 code is High Density Bipolar 3, when being converted to 2M PDH optical signal, is removed first
The negative level of HDB3 code after being then reconverted into NRZ code, exports 2M PDH optical signal by optical signal delivery outlet E and uses；It is described
Step L4 is specifically referred to: not when option and installment, the 2M PDH electric signal of cable output enters photoelectricity by electric signal input port C and turns
Output 2M PDH optical signal uses after parallel operation 4 carries out code conversion；It further include the protector that cable protection section is set, the light
Electric potential signal detection module (2), photoelectric converter (4) are connected by the output end of protector and cable respectively.
It should be noted that the present embodiment is preferred embodiment, previous transmission network 2M PDH signal is to pass through
Cable transmission, in the case where original cable output end and photoelectric converter 4 connect, install a photoelectricity pluggable module 1 with
The combination of photoelectric converter 4 forms new photosignal automatic transfer equipment, and realization, which does not change original cable arrangement, to be completed
User had not only needed 2M PDH electric signal, but also needed the demand of 2M PDH optical signal.
Specific implementation method is: pulse command parsing is carried out when original cable transmission 2M PDH electric signal, user's selection is
It is no to be configured.Configuration selection is opened when option and installment, closes hardware selection, and configuration selection is not closed when option and installment, is opened
Hardware selection.If after user's option and installment, the judgement of Yao Jinhang mode type, it to be mode 0 respectively that there are two types of mode types: light letter
Number not in place and mode 1: optical signal is in place.
When user is needed using 2M PDH electric signal, then instruction 00 is inputted, optical module switch K is in the closing of default at this time
State, be mode 0: optical signal is not in place, and photopotential signal detection module 2 detects that optical signal is not in place, and then photopotential is believed
Number 2 output order 0101 of detection module, photoelectricity automatically select module and turn on the switch S2, switch S4 and turn off the switch S1, switch
S3, the 2M PDH electric signal of cable output pass to electric signal delivery outlet D by light signal port B not in place and directly export use.
When user is needed using 2M PDH optical signal, then instruction 01 is inputted, it is mode 1 that optical module switch K, which is opened, at this time:
Optical signal is in place, and photopotential signal detection module 2 detects that optical signal is in place, and the then output of photopotential signal detection module 2 refers to
1010 are enabled, photoelectricity automatically selects module and turns on the switch S1, switch S3 and turn off the switch S2, switch S4, the 2M of cable output
PDH electric signal is passed to photoelectric converter 4 from electric signal input port C by light signal port A in place and carries out code conversion.The cable
The coding of the 2M PDH electric signal of output is HDB3 code, and the coding of 2M PDH optical signal is NRZ code；HDB3 code is three rank high density
Bipolar code removes the negative level of HDB3 code when being converted to 2M PDH optical signal first, after being then reconverted into NRZ code, leads to
Optical signal delivery outlet E output 2M PDH optical signal is crossed to use.
Not when option and installment, that is, the 2M PDH electric signal of 1 not enabled of photoelectricity pluggable module installed, cable output passes through
Electric signal input port C enters photoelectric converter 4 and carries out code conversion, and the coding of the 2M PDH electric signal of the cable output is
HDB3 code, the coding of 2M PDH optical signal are NRZ codes；HDB3 code is High Density Bipolar 3, is being converted to 2M PDH light
When signal, remove the negative level of HDB3 code first, after being then reconverted into NRZ code, 2M PDH is exported by optical signal delivery outlet E
Optical signal uses.2M PDH optical signal can only not be exported when option and installment.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Photoelectric converter 4 used in the present invention and its working principle for carrying out code conversion are the prior art, Gu not
It is described in detail again.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (5)
1. a kind of photosignal automatic switching method, it is characterised in that: realize optical telecommunications by photosignal automatic transfer equipment
Number automatic conversion, specifically includes the following steps:
Step L1: pulse command parsing is carried out when signal transmits；
Step L2: it chooses whether to be configured；If option and installment, opens configuration selection, closes hardware selection；If not selecting to match
It sets, then closes configuration selection, opens hardware selection；
Step L3: after option and installment, mode type judgement is carried out；If user input instruction 00,2M PDH electric signal is exported；If
User input instruction 01 then exports 2M PDH optical signal；
Step L4: not when option and installment, 2M PDH electric signal is exported；
The photosignal automatic transfer equipment includes the photoelectricity pluggable module (1) connecting respectively with the output end of cable and light
Electric transducer (4), the photoelectricity pluggable module (1) include the photopotential signal detection module connecting with the output end of cable
(2), photoelectricity automatically selects module (3)；The photopotential signal detection module (2), photoelectricity automatically select module (3) and photoelectricity
Converter (4) is sequentially connected；The photopotential signal detection module (2) is provided with optical module switch (K)；The photoelectricity selects automatically
Selecting module (3) includes light signal port in place (A), light signal port (B) not in place and electric signal delivery outlet (D), and the photoelectricity turns
Parallel operation (4) includes electric signal input port (C) and optical signal delivery outlet (E)；The light signal port in place (A), light signal not in place
Mouth (B) is connect with photopotential signal detection module (2) respectively, and electric signal delivery outlet (D) is connect with light signal port (B) not in place,
The light signal port in place (A), electric signal input port (C) and optical signal delivery outlet (E) are sequentially connected；The light signal in place
Mouth (A) includes switch S1, and light signal port (B) not in place includes switch S2, and electric signal input port (C) includes switch S3, electric signal
Delivery outlet (D) switch S4.
2. a kind of photosignal automatic switching method according to claim 1, it is characterised in that: the step L3 further includes
Following steps:
Step L31: after option and installment, mode type judgement is carried out；User input instruction 00, be mode 0: optical signal is not in place,
Optical module switch (K) is in the default conditions closed at this time；
Step L32: photopotential signal detection module (2) detects light signal not in place, then output order 0101, opens S2, S4,
Close S1, S3；
Step L33: the 2M PDH electric signal of cable output passes to electric signal delivery outlet (D) directly by light signal port (B) not in place
Output is connect to use；
Step L34: user input instruction 01, be mode 1: optical signal is in place, and optical module switch (K) is opened at this time；
Step L35: photopotential signal detection module (2) detects light signal in place, then output order 1010, opens S1, S3, closes
Close S2, S4；
Step L36: the 2M PDH electric signal of cable output passes through light signal port in place (A) from electric signal input port (C) incoming light
Electric transducer (4) becomes the output use of 2M PDH optical signal after carrying out code conversion.
3. a kind of photosignal automatic switching method according to claim 2, it is characterised in that: the step L36 is specific
Refer to:
The coding of the 2M PDH electric signal is HDB3 code, and the coding of 2M PDH optical signal is NRZ code；HDB3 code is that three ranks are highly dense
Degree bipolar code removes the negative level of HDB3 code when being converted to 2M PDH optical signal first, after being then reconverted into NRZ code,
2M PDH optical signal is exported by optical signal delivery outlet (E) to use.
4. a kind of photosignal automatic switching method according to claim 3, it is characterised in that: the step L4 is specifically
Refer to:
Not when option and installment, cable output 2M PDH electric signal by electric signal input port (C) enter photoelectric converter (4) into
2M PDH optical signal is exported after row code conversion to use.
5. a kind of photosignal automatic switching method according to claim 1-4, it is characterised in that: further include setting
The protector in cable protection section is set, the photopotential signal detection module (2), photoelectric converter (4) pass through protector respectively
It is connect with the output end of cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810463980.7A CN108732692B (en) | 2018-05-15 | 2018-05-15 | A kind of photosignal automatic switching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810463980.7A CN108732692B (en) | 2018-05-15 | 2018-05-15 | A kind of photosignal automatic switching method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108732692A CN108732692A (en) | 2018-11-02 |
| CN108732692B true CN108732692B (en) | 2019-08-20 |
Family
ID=63937351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810463980.7A Active CN108732692B (en) | 2018-05-15 | 2018-05-15 | A kind of photosignal automatic switching method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108732692B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100567326B1 (en) * | 2003-12-24 | 2006-04-04 | 한국전자통신연구원 | Apparatus for switching and transferring SONET/SDH, PDH, Ethernet signals and method thereof |
| CN1992572B (en) * | 2005-12-31 | 2012-02-15 | 北京畅通达通信技术有限公司 | Method and apparatus for multiplexing from low-speed light port to 2M transmission line and protection switching |
| CN202145646U (en) * | 2011-06-17 | 2012-02-15 | 深圳市祈飞科技有限公司 | Network security device |
-
2018
- 2018-05-15 CN CN201810463980.7A patent/CN108732692B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108732692A (en) | 2018-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103488159B (en) | A kind of distribution box type smart home terminal and integrated protection controller | |
| CN110460449A (en) | Repeater and method of supplying power to | |
| CN103199617A (en) | Representing method of corresponding relationship between virtual circuits and physical ports in secondary circuit graph | |
| CN105720690A (en) | Intelligent circuit breaker communication networking system | |
| CN105162514B (en) | Optical fiber ring network communication system and method | |
| CN108732692B (en) | A kind of photosignal automatic switching method | |
| CN105978633A (en) | Ethernet back-forward feeding device of PON far-end system and realization method thereof | |
| CN101207279B (en) | Anti-overstep tripping system | |
| CN202903962U (en) | Photovoltaic component monitoring system | |
| CN106020023B (en) | A kind of online phase-modulation digital communication control system of local power utilization network | |
| CN106855700B (en) | A kind of control of intelligent terminal for distribution line on-pole switch | |
| CN110855559A (en) | Intelligent gateway with access restriction | |
| CN101166041A (en) | Radio-frequency far end distributed system in radio communication system | |
| CN208125963U (en) | A kind of photosignal automatic transfer equipment | |
| CN108345231A (en) | A kind of power apparatus inter-linked controlling method, system and device | |
| CN107273330A (en) | Three-wire system serial communication interface isolation circuit module | |
| CN203313216U (en) | Multi-medium internet gateway device | |
| CN206077599U (en) | Building conversational system | |
| CN206490676U (en) | A kind of POE is by electric ONU equipment | |
| CN217133568U (en) | Intelligent centralized control terminal for oil field heating furnace/boiler | |
| CN206115239U (en) | Anti -interference control system is used to MVR technology | |
| CN108322369A (en) | A kind of method and device for realizing G.FAST accesses on copper wire and optical fiber | |
| CN110417583A (en) | A kind of data communications equipment and outband management system | |
| CN219555187U (en) | LED driving power supply and system integrating high-speed power line carrier communication and control functions | |
| CN209390086U (en) | Ethernet-Aggregation device based on E1 transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |