CN105577288B - Double socket FTTH terminals and its module replacing method - Google Patents
Double socket FTTH terminals and its module replacing method Download PDFInfo
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- CN105577288B CN105577288B CN201510926344.XA CN201510926344A CN105577288B CN 105577288 B CN105577288 B CN 105577288B CN 201510926344 A CN201510926344 A CN 201510926344A CN 105577288 B CN105577288 B CN 105577288B
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- 238000005259 measurement Methods 0.000 claims description 29
- 230000015654 memory Effects 0.000 claims description 21
- 238000013519 translation Methods 0.000 claims description 9
- 230000004913 activation Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 208000033999 Device damage Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
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Abstract
The present invention relates to a kind of double socket FTTH terminals, solve the deficiencies in the prior art, technical scheme is：Including shell,FTTH photoreceivers,FTTH photoreceivers plugboard and network process module,Shell is integrally rectangular,FTTH photoreceivers socket and network process module socket are offered on the rear wall of shell,Shell left side wall is provided with inwardly protruded chute,The left side wall outwardly convex of FTTH photoreceivers is provided with raised line,Raised line is mutually matched with chute,Outer casing bottom, which raises up, is provided with left chute,Inwardly protruded right rail is provided with the right side wall of shell,The left hand edge of network process module matches with left chute,The right hand edge of network process module matches with right rail,FTTH photoreceiver plugboards are fixed in shell,FTTH photoreceivers plugboard is included towards the USB interface on rear side of shell and network process module interface,USB interface is connected with FTTH photoreceiver plugboards,Network process module interface is connected with network process module.
Description
Technical field
The present invention relates to a kind of communication equipment, more particularly to a kind of double socket FTTH terminals and its module replacing method.
Background technology
FTTH is that optical fiber is directly abridged to the foreign language of family, and Chinese is abbreviated as fiber to the home.Specifically, FTTH refers to light
NE (ONU) is arranged at household user or enterprise customer, be in soft exchange series in addition to FTTD (fiber to the desk) most
Close to the optical access network application type of user.FTTH notable technical characterstic is not only to provide bigger bandwidth, and is enhanced
Network relaxes and environmental condition and power supply etc. is required, simplify dimension to the transparency of data format, speed, wavelength and agreement
Shield and installation.FTTH advantage mainly has at 5 points：First, it is passive network, from local side to user, it is middle substantially can be with
Accomplish passive；Second, its bandwidth is wider, conforms exactly to the extensive operational mode of operator over long distances；3rd, because
It is the business that is carried on optical fiber for it, so not what problem；4th, because its bandwidth ratio is wider, the association of support
View is more flexible；5th, with the mode of the development of technology, including point-to-point, 1.25G and FTTH all formulated it is fairly perfect
Function.
Chinese Patent Application No.：CN201310365697.8 publication date on November 20th, 2011, disclose based on FTTH nets
The optical fiber of network and wireless mixed access system and hybrid access method, are related to intelligent acess field, and the mixed access system includes
GPON terminal OLT devices and light block, terminal OLT device are connected by fiber link with light block, the optical fiber chain
Digital baseband signal and analog wireless signals are transmitted in road simultaneously, and GPON terminal OLT devices include 16 groove positions, connect for inserting PON
Mouth disk and local side light carry radio frequency unit, when there is N number of wireless access passage in a fiber link direction, 1≤N≤7, and local side OLT
Equipment carries radio frequency unit using N number of local side light, and one of as primary local side light load radio frequency unit, remaining N-1 are used as level
It is combined local side light and carries radio frequency unit.The present invention can be multiplexed PON fiber resource, simplify the design of far-end RF module, reduce body
Product, power consumption and cost are reduced, is transmitted by wireless relay, wireless access is incorporated FTTH networks.But this technical scheme is present
Photoreceiver and mixed-media network modules mixed-media are fixed, it is impossible to carry out upgrading.
The content of the invention
It is an object of the invention to solve, there is photoreceiver in above-mentioned prior art and mixed-media network modules mixed-media is fixed, it is impossible to be risen
The problem of level is changed, there is provided one kind can change FTTH photoreceivers and the double socket FTTH terminals of network process module and its mould
Block replacing options.
The technical solution adopted for the present invention to solve the technical problems is：A kind of double socket FTTH terminals, including shell,
FTTH photoreceivers, FTTH photoreceivers plugboard and network process module, the shell is integrally rectangular, after the shell
FTTH photoreceivers socket and network process module socket are offered in side wall, the shell left side wall is provided with inwardly protruded
Chute, the left side wall outwardly convex of the FTTH photoreceivers are provided with raised line, and the raised line is mutually matched with the chute, institute
State outer casing bottom and raise up and be provided with left chute, inwardly protruded right rail is provided with the right side wall of the shell, it is described
The left hand edge of network process module matches with the left chute, the right hand edge of the network process module and the right rail
Match somebody with somebody, the FTTH photoreceivers plugboard is fixed in the shell, and the FTTH photoreceivers plugboard is included towards shell
The USB interface and network process module interface of rear side, the USB interface is connected with the FTTH photoreceivers plugboard, described
Network process module interface is connected with network process module.The present invention is in this way, FTTH photoreceivers and network process module
It is provided separately, installation replacing can be carried out by user's unrestricted choice model.
Preferably, the bottom of the shell is provided with several cushion blocks, offered at the top of the shell several hundred
Leaf heat emission hole.
Preferably, a horizontal through hole is offered on the front side wall of the shell, before the left side wall of the shell
The leading portion of section and right side wall offers the connecting groove of horizontal opening, and the light-passing board provided with a U-shaped, institute are filled out in the through hole
The both ends rear portion for stating light-passing board is plugged in described connecting groove.
Preferably, the blinds heat emission hole is in strip, described in the lower end outlet alignment of the blinds heat emission hole
The center of shell.
Preferably,：The lower surface of the bottom of the shell is provided with two wall built-up holes, if the outer casing bottom offers
A lower heat emission hole is done, side heat emission hole is also offered in the side wall of the shell.
Preferably, datacom chip, measurement processor, activation processing are electrically connected with FTTH photoreceiver plugboards
Device and the first gating chip of control FTTH photoreceivers signal transmission, the second gating of control network process module signal transmission
Chip, it is described first gating chip input be connected with the USB interface, it is described first gate chip output end with it is described
Datacom chip is electrically connected, and the control terminal of the first gating chip is connected with the control terminal of the active processor, described
Second gating chip input be connected with the network process module interface, it is described second gate chip output end with it is described
Datacom chip electrically connects, and described second, which gates control terminal of the control terminal of chip also with the active processor, is connected, institute
The input of USB interface and network process module interface also with described measurement processor is stated to be connected, the measurement processor
Output end is connected with the input of the active processor, the output end of the active processor and the datacom chip
Gate end connection.For the utility model in this way, rational in infrastructure, signal resolution is accurate.
Preferably, alert data memory and wrong indicator lamp are electrically connected with the datacom chip.
A kind of double socket FTTH terminal module replacing options, suitable for double socket FTTH terminals as described above, including with
Lower step：
Step 1：Default first contrast range value and the second contrast range value are inputted in active processor；
Step 2：FTTH photoreceivers are connected with USB interface, network process module connects with network process module interface
Connect, the measurement processor reads the condition code of FTTH photoreceivers and the condition code of network process module；
Step 3：Measurement processor connects to FTTH light respectively according to current time or the random code generated by measurement processor
The condition code of receipts machine and the condition code of network process module carry out translation operation the first check code of corresponding generation and the second check code；
Step 3：Measurement processor transmits random code, the first check code and the second check code to active processor, activation
Random code is carried out translation operation with the first contrast range value and the second contrast range value respectively and generates the first value range by processor
With the second value range；
Step 4：
Stop the gating chip of active processor gating second if the second check code is not in the second value range and then hold
Row step 6；
The second gating of active processor gating chip if the second check code is in the second value range,
Stop the gating chip of active processor gating first if the first check code is not in the first value range and then hold
Row step 5,
The first gating of active processor gating chip if the first check code is in the first value range,
Datacom chip works, and FTTH terminals carry out normal work,
Step 5：After datacom chip reads alert data memory data, FTTH terminals are operated；
Step 6：Datacom chip driving indicator lamp flicker, FTTH terminals are stopped.
The present invention is in this way, FTTH photoreceivers and network process module can be carried out changing, but be limited to certainly
On the product that factory produces or authenticated, it is therefore prevented that FTTH photoreceivers and the mutually uneven matching of network process module, Huo Zhehe
Device damage caused by upper end equipment is variant, more preventing some manufacturers individually to buy part accessory, replacing FTTH light connects afterwards
Receipts machine or network process module, adulterate, and disrupt the market, and have concurrently set active processor and measurement processor two is discrete
Chip, add data conversion, by real-time data conversion, even if having cracked all the elements of single chip piece,
Also it can not increase at the replacing FTTH photoreceivers or network process module of the unwitting situation of genuine and crack chip present count
The difficulty of value, ensure that product quality.
Preferably, the condition code of the FTTH photoreceivers and the condition code of network process module are MAC Address
Manufacturer's section code.Particularly as being from the manufacturer that network element is stated in FTTH photoreceivers and network process module
MAC component values sections.
Preferably, the alert data memory internal memory, which is provided with, matches compatible difference alarming information and matching error alarm signal
Breath, it is described to match compatible difference alarming information and matching error warning message form and FTTH photoreceiver output information form phases
Together；
In step 5, datacom chip is read in alert data memory data after matching error warning message, FTTH
Terminal is operated.
After so setting, output error match information can after FTTH photoreceivers exceed default mac address range value
To be read by network, reach the purpose of warning.
Preferably, feature difference value range is also preset with the active processor, if the first check code and the second verification
It is compatible poor that difference between code is in outside feature difference value range matching in then datacom chip reading alert data memory
After warning message, FTTH terminals are operated.So set be because, some enterprises can buy genuine product equipment after more
The FTTH photoreceivers that preferable genuine is changed when changing corresponding accessory, such as repair are connect from the poor FTTH light of genuine
Receipts machine causes incompatible or compatible poor situation, under such circumstances, using this step, can be examined to compatibility
Survey, reach preferable compatible result.
The present invention substantial effect be：The present invention is in this way, FTTH photoreceivers and network process module are separately set
Put, installation replacing can be carried out by user's unrestricted choice model, but be limited on the product produced or authenticated from factory,
The mutually uneven matching of FTTH photoreceivers and network process module is prevented, or is damaged with the variant caused equipment of upper end equipment
It is bad, more prevent some manufacturers to change FTTH photoreceivers or network process module after individually buying part accessory, filled with secondary
It is good, disrupt the market, concurrently set two discrete chips of active processor and measurement processor, add data conversion, lead to
Real-time data conversion is crossed, also can not be in the unwitting situation of genuine even if having cracked all the elements of single chip piece
Replacing FTTH photoreceivers or network process module, increase the difficulty for cracking chip default value, ensure that product quality.
Brief description of the drawings
Fig. 1 is a kind of schematic elevation view of shell in the present invention；
Fig. 2 is a kind of schematic side view of shell in the present invention；
Fig. 3 is a kind of elevational schematic view of shell in the present invention；
Fig. 4 is a kind of circuit block diagram of network process module in the present invention；
Fig. 5 is a kind of circuit block diagram of FTTH photoreceiver grafting in the present invention.
In figure：1st, shell, 2, CPU, 3, WIFI module, 4, RJ45 interfaces, 5, network coupler, 6, PON moulds
Block, 7, communication serial ports, 8, indicator lamp, 9, DDR3 internal memories, the 11, first gating chip, the 12, second gating chip, 13, USB interface,
14th, network process module interface, 15, measurement processor, 16, active processor, 17, datacom chip, 18, alert data deposits
Reservoir.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：
A kind of double socket FTTH terminals, including at shell 1, FTTH photoreceivers, FTTH photoreceivers plugboard and network
Module is managed, the shell is integrally rectangular, and FTTH photoreceivers socket and network processes are offered on the rear wall of the shell
Module jack, the shell left side wall are provided with inwardly protruded chute, the left side wall outwardly convex of the FTTH photoreceivers
Raised line is provided with, the raised line is mutually matched with the chute, and the outer casing bottom, which raises up, is provided with left chute, described outer
Inwardly protruded right rail is provided with the right side wall of shell, the left hand edge of the network process module matches with the left chute,
The right hand edge of the network process module matches with the right rail, and the FTTH photoreceivers plugboard is fixed on the shell
Interior, the FTTH photoreceivers plugboard is included towards the USB interface on rear side of shell and network process module interface, the USB
Interface is connected with the FTTH photoreceivers plugboard, and the network process module interface is connected with network process module.It is described
The bottom of shell is provided with several cushion blocks, and several blinds heat emission holes are offered at the top of the shell.Before the shell
A horizontal through hole is offered in side wall, the leading portion of the left side wall of the shell and the leading portion of right side wall offer level and opened
Mouthful connecting groove, fill out the light-passing board provided with a U-shaped in the through hole, the both ends rear portion of the light-passing board is plugged on described
Connecting groove in.The blinds heat emission hole is in strip, and the lower end outlet of the blinds heat emission hole is directed at the shell
Center.The lower surface of the bottom of the shell is provided with two wall built-up holes, and the outer casing bottom offers several lower radiatings
Hole, side heat emission hole is also offered in the side wall of the shell.The network process module include communication serial ports 7, PON modules 6,
RJ45 interfaces 4, network coupler 5, WIFI module 3, indicator lamp 8, CPU 2 and DDR3 internal memories 9, the RJ45 interfaces
It is connected by network coupler with CPU, DDR3 internal memories is also electrically connected with the CPU, it is described logical
News serial ports, PON modules, WIFI module and indicator lamp electrically connect with described CPU.The CPU
On be bonded with fin, the PON modules are EPON modules and GPON modules.The CPU is also electrically connected with humidity
Detection unit and temperature detecting unit.Datacom chip 17, measurement processor are electrically connected with FTTH photoreceiver plugboards
15th, active processor 16 and the first gating chip 11 of control FTTH photoreceivers signal transmission, control network process module letter
Number transmission second gating chip 12, it is described first gating chip input be connected with the usb 13, it is described first select
The output end of obturator piece is electrically connected with the datacom chip, and the control terminal of the first gating chip is handled with the activation
The control terminal connection of device, the input of the second gating chip are connected with the network process module interface 14, and described second
Gating chip output end electrically connected with the datacom chip, it is described second gate chip control terminal also with the activation
The control terminal connection of processor, input of USB interface and the network process module interface also with described measurement processor
Connection, the output end of the measurement processor are connected with the input of the active processor, the output of the active processor
End is connected with the gating end of the datacom chip.The He of alert data memory 18 is electrically connected with the datacom chip
Mistake indicator lamp.First gating chip and the second gating chip can be fet switch chip or triode switch core
Piece.
A kind of double socket FTTH terminal module replacing options, suitable for double socket FTTH terminals as claimed in claim 6,
It is characterized in that：Comprise the following steps：
Step 1：Default first contrast range value and the second contrast range value are inputted in active processor；
Step 2：FTTH photoreceivers are connected with USB interface, network process module connects with network process module interface
Connect, the measurement processor reads the condition code of FTTH photoreceivers and the condition code of network process module；
Step 3：Measurement processor connects to FTTH light respectively according to current time or the random code generated by measurement processor
The condition code of receipts machine and the condition code of network process module carry out translation operation the first check code of corresponding generation and the second check code；
Step 3：Measurement processor transmits random code, the first check code and the second check code to active processor, activation
Random code is carried out translation operation with the first contrast range value and the second contrast range value respectively and generates the first value range by processor
With the second value range；
Step 4：
Stop the gating chip of active processor gating second if the second check code is not in the second value range and then hold
Row step 6；
The second gating of active processor gating chip if the second check code is in the second value range,
Stop the gating chip of active processor gating first if the first check code is not in the first value range and then hold
Row step 5,
The first gating of active processor gating chip if the first check code is in the first value range,
Datacom chip works, and FTTH terminals carry out normal work,
Step 5：After datacom chip reads alert data memory data, FTTH terminals are operated；
Step 6：Datacom chip driving indicator lamp flicker, FTTH terminals are stopped.
The condition code of the FTTH photoreceivers and the condition code of network process module are manufacturer's section generation of MAC Address
Code.
The alert data memory internal memory, which is provided with, matches compatible difference alarming information and matching error warning message, described
It is identical with FTTH photoreceiver output information forms with compatible difference alarming information and matching error warning message form；
In step 5, datacom chip is read in alert data memory data after matching error warning message, FTTH
Terminal is operated.
Feature difference value range is also preset with the active processor, if the difference between the first check code and the second check code
Value be in outside feature difference value range then datacom chip read alert data memory in match compatible difference alarming information after,
FTTH terminals are operated.
Translation operation in the present embodiment can be any one AES or simply be carried out with random code
Add operation, shift operation, add operation and shift operation repeat several times.Number of repetition is preset value.
The present embodiment, can be free by user in this way, FTTH photoreceivers and network process module are provided separately
Selection model carries out installation replacing, but is limited on the product produced or authenticated from factory, it is therefore prevented that FTTH photoreceivers
With the mutually uneven matching of network process module, or with upper end equipment it is variant caused by device damage, more prevent some factories
Business changes FTTH photoreceivers or network process module after individually buying part accessory, adulterates, disrupts the market, sets simultaneously
Two discrete chips of active processor and measurement processor are determined, have added data conversion, by real-time data conversion, i.e.,
Make all the elements for having cracked single chip piece, also can not the unwitting situation of genuine replacing FTTH photoreceivers or
Network process module, the difficulty for cracking chip default value is increased, ensure that product quality.
Embodiment described above is a kind of preferable scheme of the present invention, not the present invention is made any formal
Limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (9)
- A kind of 1. double socket FTTH terminals, it is characterised in that：Including shell, FTTH photoreceivers, FTTH photoreceiver plugboards And network process module, the shell is integrally rectangular, offered on the rear wall of the shell FTTH photoreceivers socket and Network process module socket, the shell left side wall are provided with inwardly protruded chute, the left side wall of the FTTH photoreceivers Outwardly convex is provided with raised line, and the raised line is mutually matched with the chute, and the outer casing bottom, which raises up, is provided with left cunning Groove, inwardly protruded right rail, the left hand edge of the network process module and the left side are provided with the right side wall of the shell Chute is matched, and the right hand edge of the network process module is matched with the right rail, and the FTTH photoreceivers plugboard is fixed In the shell, the FTTH photoreceivers plugboard includes connecing towards the USB interface on rear side of shell and network process module Mouthful, the USB interface is connected with the FTTH photoreceivers plugboard, the network process module interface and network process module Connection,Datacom chip, measurement processor, active processor and control FTTH are electrically connected with FTTH photoreceiver plugboards First gating chip of photoreceiver signal transmission, the second gating chip of control network process module signal transmission, described the The input of one gating chip is connected with the USB interface, the output end of the first gating chip and the data communication core Piece is electrically connected, and the control terminal of the first gating chip is connected with the control terminal of the active processor, the second gating core The input of piece is connected with the network process module interface, the output end of the second gating chip and the data communication core Piece is electrically connected, and control terminal of the control terminal also with the active processor of the second gating chip be connected, the USB interface with Input of the network process module interface also with described measurement processor is connected, the output end of the measurement processor with it is described The input connection of active processor, the output end of the active processor are connected with the gating end of the datacom chip, Alert data memory and wrong indicator lamp are electrically connected with the datacom chip；Double socket FTTH terminals of following steps are performed when double socket FTTH terminals are module replacing；Step 1：Default first contrast range value and the second contrast range value are inputted in active processor；Step 2：FTTH photoreceivers are connected with USB interface, network process module is connected with network process module interface, institute State measurement processor and read the condition code of FTTH photoreceivers and the condition code of network process module；Step 3：Measurement processor is according to current time or the random code generated by measurement processor respectively to FTTH photoreceivers Condition code and the condition code of network process module carry out translation operation the first check code of corresponding generation and the second check code；Step 3：Measurement processor transmits random code, the first check code and the second check code to active processor, activation processing Random code is carried out translation operation and generates the first value range and the by device with the first contrast range value and the second contrast range value respectively Two value ranges；Step 4：Stop the gating chip of active processor gating second if the second check code is not in the second value range and then perform step Rapid six；The second gating of active processor gating chip if the second check code is in the second value range,Stop the gating chip of active processor gating first if the first check code is not in the first value range and then perform step Rapid five,The first gating of active processor gating chip if the first check code is in the first value range,Datacom chip works, and FTTH terminals carry out normal work,Step 5：After datacom chip reads alert data memory data, FTTH terminals are operated；Step 6：Datacom chip driving indicator lamp flicker, FTTH terminals are stopped.
- 2. double socket FTTH terminals according to claim 1, it is characterised in that：The bottom of the shell is provided with several Cushion block, several blinds heat emission holes are offered at the top of the shell.
- 3. double socket FTTH terminals according to claim 2, it is characterised in that：One is offered on the front side wall of the shell Individual horizontal through hole, the leading portion of the left side wall of the shell and the leading portion of right side wall offer the connecting groove of horizontal opening, The light-passing board provided with a U-shaped is filled out in the through hole, the both ends rear portion of the light-passing board is plugged in described connecting groove.
- 4. double socket FTTH terminals according to claim 2, it is characterised in that：The blinds heat emission hole is in strip, The lower end outlet of the blinds heat emission hole is directed at the center of the shell.
- 5. double socket FTTH terminals according to claim 4, it is characterised in that：The lower surface of the bottom of the shell is set There are two wall built-up holes, the outer casing bottom offers several lower heat emission holes, side radiating is also offered in the side wall of the shell Hole.
- 6. a kind of double socket FTTH terminal module replacing options, suitable for double socket FTTH terminals as claimed in claim 1, its It is characterised by：Comprise the following steps：Step 1：Default first contrast range value and the second contrast range value are inputted in active processor；Step 2：FTTH photoreceivers are connected with USB interface, network process module is connected with network process module interface, institute State measurement processor and read the condition code of FTTH photoreceivers and the condition code of network process module；Step 3：Measurement processor is according to current time or the random code generated by measurement processor respectively to FTTH photoreceivers Condition code and the condition code of network process module carry out translation operation the first check code of corresponding generation and the second check code；Step 3：Measurement processor transmits random code, the first check code and the second check code to active processor, activation processing Random code is carried out translation operation and generates the first value range and the by device with the first contrast range value and the second contrast range value respectively Two value ranges；Step 4：Stop the gating chip of active processor gating second if the second check code is not in the second value range and then perform step Rapid six；The second gating of active processor gating chip if the second check code is in the second value range,Stop the gating chip of active processor gating first if the first check code is not in the first value range and then perform step Rapid five,The first gating of active processor gating chip if the first check code is in the first value range,Datacom chip works, and FTTH terminals carry out normal work,Step 5：After datacom chip reads alert data memory data, FTTH terminals are operated；Step 6：Datacom chip driving indicator lamp flicker, FTTH terminals are stopped.
- 7. double socket FTTH terminal module replacing options according to claim 6, it is characterised in that：The FTTH light-receivings The condition code of machine and the condition code of network process module are manufacturer's section code of MAC Address.
- 8. double socket FTTH terminal module replacing options according to claim 6, it is characterised in that：The alert data is deposited Reservoir internal memory, which is provided with, matches compatible difference alarming information and matching error warning message, described to match compatible difference alarming information and matching False alarm information format is identical with FTTH photoreceiver output information forms；In step 5, datacom chip is read in alert data memory data after matching error warning message, FTTH terminals It is operated.
- 9. double socket FTTH terminal module replacing options according to claim 8, it is characterised in that：The active processor In be also preset with feature difference value range, if the difference between the first check code and the second check code is in outside feature difference value range After then matching compatible difference alarming information in datacom chip reading alert data memory, FTTH terminals are operated.
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|---|---|---|---|
| CN201510926344.XA CN105577288B (en) | 2015-12-12 | 2015-12-12 | Double socket FTTH terminals and its module replacing method |
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