CN103607237B - One to one two-way Optical Line Protection reverse method based on control command byte - Google Patents
One to one two-way Optical Line Protection reverse method based on control command byte Download PDFInfo
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- CN103607237B CN103607237B CN201310651541.6A CN201310651541A CN103607237B CN 103607237 B CN103607237 B CN 103607237B CN 201310651541 A CN201310651541 A CN 201310651541A CN 103607237 B CN103607237 B CN 103607237B
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Abstract
The invention discloses a kind of one to one two-way Optical Line Protection reverse method based on control command byte, relate to optic communication transmission technique field, including step: the first single-deck judges the state of work and protection circuit according to the luminous power that PIN pipe detects；The luminous power detected when PIN pipe is less than light drop-thresholds, then report luminous power to lose alarm；Lose alarm according to luminous power state byte K2 is configured, and configure K1 byte and the first single-deck and the second single-deck are described simultaneously need to the pretection switch action taked；Send above-mentioned K1, K2 byte to the second single-deck；Second single-deck carries out corresponding pretection switch action according to K1, K2 byte received; make at local terminal; i.e. first single-deck; reception direction when carry out pretection switch action; notice opposite end, the i.e. second single-deck, sending direction carry out pretection switch action simultaneously; make to receive and dispatch integrating action, it is ensured that business optical signal is the most unimpeded.
Description
Technical field
The present invention relates to optic communication transmission technique field, be specifically related to a ratio based on control command byte
One two-way Optical Line Protection reverse method.
Background technology
In existing WDM/OTN system, the general mode using 1+1 carries out Optical Line Protection.1+1
Protected mode at transmitting terminal, business optical signal is taked 50:50 light splitting, choose performance relatively at receiving terminal
Hao mono-tunnel business optical signal processes.This concurrently select debit's formula advantage be control method simple,
Protection device is easy, and shortcoming is to cause business light (1550nm wave band) through protection device time merit
Rate at least reduces 4-5dB, has had a strong impact on performance and the transmission range of whole system.
1:1 protected mode can effectively reduce the loss of business optical signal luminous power, because in whole transmission
In system, only at work at present circuit with the presence of business light, protection circuit is to use WDM/OTN system
It is the most normal that OSC monitoring light (1510nm wave band) of system detects light path.Thus avoid making a start
Business light is carried out the light splitting of 50:50, can effectively reduce optical power attenuation, improve whole system
The indexs such as signal to noise ratio, and then improve transmission range.
In the protection system of 1:1, usually take business key light luminous power, service aisle monitoring light
The mode that luminous power, protection channel monitoring light luminous power are monitored, so can effectively judge this
The working line of end and the working condition of protection circuit, choose suitable circuit as the currently active work
Circuit.But the protection system of 1:1 is in the working method being to take to publish of making a start, that is only work as
Just there is business light (1550nm wave band) above front effectively working line, do not have above an other protection circuit
There is business light.Therefore the when of carrying out pretection switch action in the reception direction of local terminal, it is necessary to it is right to notify
The sending direction of end carries out pretection switch action simultaneously, and so transmitting-receiving integrating action can ensure business
Optical signal is the most unimpeded.
Summary of the invention
The technical problem to be solved is how to carry out pretection switch in the reception direction of local terminal to move
The when of work, the sending direction of notice opposite end carries out pretection switch action simultaneously so that transmitting-receiving is unified dynamic
Make, it is ensured that the problem that business optical signal is the most unimpeded.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is to provide a kind of based on control
One to one two-way Optical Line Protection reverse method of command byte processed, including step:
S1, the first single-deck judge the state of work and protection circuit according to the luminous power that PIN pipe detects；
S2, the luminous power detected when PIN pipe less than light drop-thresholds, then report luminous power to lose and accuse
Alert；
S3, lose alarm according to luminous power state byte K2 is configured, and configure K1 byte and say
Bright first single-deck and the second single-deck are simultaneously need to the pretection switch action taked；
S4, send above-mentioned K1, K2 byte to the second single-deck；
S5, the second single-deck carry out corresponding pretection switch action according to K1, K2 byte received.
In the above-mentioned methods, described K1 byte representation the first single-deck and the second single-deck are simultaneously need to take
Pretection switch action；Described K2 byte representation the first single-deck or the second single-deck corresponding photoswitch work
State and alarm status.
In the above-mentioned methods, in described step 5, described second single-deck is according to K1, K2 word received
Joint and K1, K2 byte himself generated carry out corresponding pretection switch action.
In the above-mentioned methods, also include after described step 5:
K1, K2 byte himself generated is sent to described first single-deck by S6, described second single-deck；
S7, described first single-deck receive K1, K2 byte that described second single-deck sends；
S8, described first single-deck are according to K1, K2 byte received and K1, K2 of himself generating
Byte carries out corresponding pretection switch action.
In the above-mentioned methods, also included before described step S4:
Described first single-deck receives webmaster and issues Artificial Control order, and enters Artificial Control pattern；
Described first single-deck is protected by the K1 byte receiving webmaster or described second single-deck transmission
Switching action.
In the above-mentioned methods, the pretection switch action that described K1, K2 byte and needs are taked, work shape
State, the corresponding relation of alarm status be:
Init state: two ends acquiescence is at master state, K2=0xA8, K1=0xA0；
Condition=(Zhu Yong && local terminal alarm 1/1/0&&RevK1！=0xA9), action=receiving end is made a start master
Standby, send K1=0xAC；
Condition=(Zhu Yong && local terminal alarm 0/0/0 or 1/1/0&&RevK1=0xAC), action=receipts
End is made a start main standby, sends K1=0xA0；
Condition=(Zhu Yong && local terminal alarm 0/0/1&&RevK1=0xAC), action=transmission K1=0xA9,
When receiving K1=0xA9, locking is primary automatically,；
Condition=(Bei Yong && local terminal alarm 0/0/0&& remote alarm 0/0/0), action=Wait-to-Restore,
After then, receiving end is made a start standby the most main, sends K1=0xA3；
Condition=(Bei Yong && local terminal alarm 1/0/1&&RevK1！=0xAD), action=receiving end is made a start standby
Fall main, send K1=0xA3；
Condition=(Bei Yong && local terminal alarm 0/0/0&&RevK1=0xA3), action=receiving end is made a start for falling
Main, send K1=0xA0；
Condition=(Bei Yong && local terminal alarm 0/1/0&&RevK1=0xA3), sends K1=0xAD, when
When receiving K1=0xAD, locking is standby automatically；
Condition=(Bei Yong && local terminal alarm 1/1/1), action=receiving end is made a start standby the most main, sends K1=0xA0；
Waiting state: send K1=0xA0.
In the above-mentioned methods, described automatic locking is primary refers to:
There is primary fault (1/1/0) in described first single-deck alarm, and described second single-deck alarm occurs standby
During with fault (0/0/1), OLP is switched to primary, and is maintained at master state；
When described first single-deck and the primary light of described second single-deck and primary reference light the most do not alert
In the case of, OLP releases from locking master state, enters into other states.
In the above-mentioned methods, described automatic locking is standby refers to:
There is primary fault (1/0/1) in described first single-deck alarm, and described second single-deck alarm occurs standby
During with fault (0/1/0), OLP is switched to standby, and is maintained at resting state；
When described first single-deck and the primary light of described second single-deck and primary reference light the most do not alert
In the case of, OLP releases from locking resting state, enters into other states.
The when that the present invention making to carry out pretection switch action in the reception direction of local terminal, sending out of notice opposite end
Send direction to carry out pretection switch action so that transmitting-receiving integrating action, it is ensured that business optical signal is all the time simultaneously
Unimpeded.
Accompanying drawing explanation
Fig. 1 is that in prior art, WDM/OTN transmits system diagram；
Fig. 2 is OTU signal index path in OLP single-deck in prior art；
Fig. 3 is the optical structure chart in prior art within OLP single-deck；
Fig. 4 is that in the present invention, a kind of one to one two-way Optical Line Protection based on control command byte is switched
The process chart of method；
Fig. 5 is the state transition figure of single-deck in the present invention；
Fig. 6 is the Part I schematic diagram of the pretection switch handling process of optical link in the present invention；
Fig. 7 is the Part II schematic diagram of the pretection switch handling process of optical link in the present invention；
Fig. 8 is the Part III schematic diagram of the pretection switch handling process of optical link in the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention of greater clarity, below in conjunction with concrete real
Executing mode referring to the drawings, the present invention is described in more detail.It should be understood that these describe simply
Exemplary, and it is not intended to limit the scope of the present invention.Additionally, in the following description, it is right to eliminate
Known features and the description of technology, to avoid unnecessarily obscuring idea of the invention.Institute of the present invention base
In WDM/OTN transmission system as it is shown in figure 1, wherein OTU signal light path in OLP single-deck is such as
Shown in Fig. 2, the optical structure chart within OLP single-deck as shown in Figure 3:
In sending side, the signal from OSC-I is divided into two through 50:50 bonder, a part from
PROT-O mouth exports, and another part is then sent to 1550/1510 wave multiplexer；1550/1510 wave multiplexer
After signal from OSC-I mouth and LINE-I mouth is closed ripple, export from MAIN-O mouth.
Receive side, be directly connected to a receptor PIN1, PIN1 detection from the signal of PROT-I mouth input
The luminous power of this port input, is used for judging that alternate channel is the most normal；Letter from the input of MAIN-I mouth
Number rise first pass through 1550/1510 channel-splitting filter, isolate 1550 band signal and 1510 wavelength letter
Number.1550 band signal and 1510 wavelength signals are the most respectively by, after bonder, delivering to respective reception
Device (PIN3, PIN2) and output port (LINE-O, OSC-O) output.
A kind of based on control command byte one to the one two-way Optical Line Protection side of switching that the present invention provides
Method as shown in Figure 4, comprises the following steps:
S1, the first single-deck judge the state of work and protection circuit according to the luminous power that PIN pipe detects；
S2, the luminous power detected when PIN pipe less than light drop-thresholds, then report luminous power to lose and accuse
Alert；
S3, lose alarm according to luminous power state byte K2 is configured, and configure K1 byte and say
Bright first single-deck and the second single-deck are simultaneously need to the pretection switch action taked；
S4, send above-mentioned K1, K2 byte to the second single-deck；
S5, the second single-deck carry out corresponding pretection switch action according to K1, K2 byte received.
Described K1 byte representation the first single-deck and the second single-deck are simultaneously need to the pretection switch action taked；
Described K2 byte representation the first single-deck or photoswitch duty corresponding to the second single-deck and alarm
State.
In described step 5, described second single-deck is according to K1, K2 byte received and himself generates
K1, K2 byte carry out corresponding pretection switch action.
Also include after described step 5:
K1, K2 byte himself generated is sent to described first single-deck by S6, described second single-deck；
S7, described first single-deck receive K1, K2 byte that described second single-deck sends；
S8, described first single-deck are according to K1, K2 byte received and K1, K2 of himself generating
Byte carries out corresponding pretection switch action.
Also included before described step S4:
Described first single-deck receives webmaster and issues Artificial Control order, and enters Artificial Control pattern；
Described first single-deck is protected by the K1 byte receiving webmaster or described second single-deck transmission
Switching action.
Wherein K1 byte representation local terminal and opposite end are simultaneously need to the pretection switch action taked, high 4bit
Being fixed as 1010, low 4bit is defined as follows:
| Action description | Bit3～bit0 | K1 byte | Explanation |
| Idle | 0000 | 0xA0 | |
| Manual Switch is to primary (both-end) | 0001 | 0xA1 | Control command |
| Auto switching, standby the most main | 0011 | 0xA3 | |
| Manual Switch is to standby (both-end) | 0010 | 0xA2 | Control command |
| Auto switching, main standby | 1100 | 0xAC | |
| Forced Switch is to primary (both-end) | 1010 | 0xAA | Control command |
| Forced Switch is to standby (both-end) | 0101 | 0xA5 | Control command |
| Automatically locking is primary | 1001 | 0xA9 | |
| Automatically locking is standby | 1101 | 0xAD | |
| Auto switching/removing is switched | 0110 | 0xA6 | Control command |
| Protection locking is primary | 1011 | 0xAB | Control command |
| Protection locking is standby | 0100 | 0xA4 | Control command |
The photoswitch duty of K2 byte representation local terminal and alarm status, high 4bit is fixed as 1010,
Being mainly used in verifying whether K2 byte transmits correctly, bit3 represents that business is currently at master state still
Resting state, low 3 represent alarm status respectively, and 0 is no alarm, and 1 for there being alarm.Each bit has
Body is defined as follows:
Under master state, the span of K2 is between 0xA8-0xAF, specific as follows:
Under resting state, the span of K2 is between 0xA0-0xA7, specific as follows:
Pretection switch action that described K1, K2 byte and needs are taked, duty, alarm status
Corresponding relation is:
Init state: two ends acquiescence is at master state, K2=0xA8, K1=0xA0；
Condition=(Zhu Yong && local terminal alarm 1/1/0&&RevK1！=0xA9), action=receiving end is made a start master
Standby, send K1=0xAC；
Condition=(Zhu Yong && local terminal alarm 0/0/0 or 1/1/0&&RevK1=0xAC), action=receipts
End is made a start main standby, sends K1=0xA0；
Condition=(Zhu Yong && local terminal alarm 0/0/1&&RevK1=0xAC), action=transmission K1=0xA9,
When receiving K1=0xA9, locking is primary automatically,；
Condition=(Bei Yong && local terminal alarm 0/0/0&& remote alarm 0/0/0), action=Wait-to-Restore,
After then, receiving end is made a start standby the most main, sends K1=0xA3；
Condition=(Bei Yong && local terminal alarm 1/0/1&&RevK1！=0xAD), action=receiving end is made a start standby
Fall main, send K1=0xA3；
Condition=(Bei Yong && local terminal alarm 0/0/0&&RevK1=0xA3), action=receiving end is made a start for falling
Main, send K1=0xA0；
Condition=(Bei Yong && local terminal alarm 0/1/0&&RevK1=0xA3), sends K1=0xAD, when
When receiving K1=0xAD, locking is standby automatically；
Condition=(Bei Yong && local terminal alarm 1/1/1), action=receiving end is made a start standby the most main, sends K1=0xA0；
Waiting state: send K1=0xA0.
State transition figure according to above-mentioned condition is as shown in Figure 5:
Init state: two ends acquiescence is at master state, K2=A8, K1=A0；
In Fig. 5, (1st) plants situation: condition=(Zhu Yong && local terminal alerts 1/1/0&&RevK1！=0xA9),
Action=receiving end is made a start main standby, sends K1=0xAC；
In Fig. 5, (2nd) plants situation: condition=(Zhu Yong && local terminal alerts 0/0/0 or 1/1/0&&
RevK1=0xAC), action=receiving end is made a start main standby, sends K1=0xA0；
In Fig. 5, (3rd) plants situation: condition=(Zhu Yong && local terminal alarm 0/0/1&&RevK1=0xAC),
Action=transmission K1=0xA9, when receiving K1=0xA9, locking is primary automatically；
In Fig. 5, (4th) plants situation: condition=(Bei Yong && local terminal alerts 0/0/0&& remote alarm
0/0/0), action=Wait-to-Restore, then after, receiving end make a start standby fall main, send K1=0xA3；
In Fig. 5, (5th) plants situation: condition=(Bei Yong && local terminal alerts 1/0/1&&RevK1！=0xAD),
Action=receiving end is made a start standby the most main, sends K1=0xA3；
In Fig. 5, (6th) plants situation: condition=(Bei Yong && local terminal alarm 0/0/0&&RevK1=0xA3),
Action=receiving end is made a start standby the most main, sends K1=0xA0；
In Fig. 5, (7th) plants situation: condition=(Bei Yong && local terminal alarm 0/1/0&&RevK1=0xA3),
Sending K1=0xAD, when receiving K1=0xAD, locking is standby automatically；
In Fig. 5, (8th) plants situation: condition=(Bei Yong && local terminal alarm 1/1/1), action=receiving end is made a start
Standby the most main, send K1=0xA0；
Wherein, two special states are as described below:
In Fig. 5, (3rd) plants situation: primary fault (1/1/0) occurs in described first single-deck alarm, described
When alternate fault (0/0/1) occurs in second single-deck alarm, OLP is switched to primary, and is maintained at primary
State；
When described first single-deck and the primary light of described second single-deck and primary reference light the most do not alert
In the case of, OLP could release from locking master state, enters into other states.
(7th) kind situation in Fig. 5:
There is primary fault (1/0/1) in described first single-deck alarm, and described second single-deck alarm occurs standby
During with fault (0/1/0), OLP is switched to standby, and is maintained at resting state；
When described first single-deck and the primary light of described second single-deck and primary reference light the most do not alert
In the case of, OLP could release from locking resting state, enters into other states.
Pretection switch flow process according to above-mentioned condition is as shown in Fig. 6, Fig. 7 and Fig. 8:
Init state, sends K1=0xA0, K2=0xA8；
First read K1, the K2 byte of the opposite end received before action every time, the K2 byte of local terminal, as
The foundation judged；
The classification judging network management control order and the K1 byte received:
Situation 1:
If network management control order is standby for forcing, then carries out sending and receiving end the most standby main operation, and send
K1=0xA5；
Judge whether to receive K2/bit3=0；
If it is, send K1=0xA0；
Situation 2:
If the K1=0xA5 received, then carry out sending and receiving end the most standby main operation, and send K1=0xA0；
Situation 3:
If network management control order is main for forcing, then carries out sending and receiving end the most standby main operation, and send
K1=0xAA；
Judge whether to receive K2/bit3=1；
If it is, send K1=0xA0；
Situation 4:
If receiving K1=0xAA, then carry out sending and receiving end by main operation, and send K1=0xA0；
Situation 5:
If network management control order is the most standby, then judge whether local terminal is primary end, if it is not,
Then send K1=0xA0；
If it is, judge that whether local terminal alarm is the K2=0xA8 of (0/0/0) and opposite end, if not
It is then to send K1=0xA0；
If it is, it is main standby to carry out sending and receiving end, and send K1=0xA2；
Judge whether to receive K2/bit3=0；
If it is send K1=0xA0, and to revise local terminal alarm be (1/0/1), enter auto switching shape
State；
Situation 6:
If receiving K1=0xA2, then judge whether local terminal is primary end, if it is not, then send
K1=0xA0；
If it is, judge whether local terminal alarm is (0/0/0), if it is not, then send K1=0xA0；
If it is, it is main standby to carry out sending and receiving end, and send K1=0xA0；
Amendment local terminal alarm is (1/0/1), and enters auto switching state；
Situation 7:
If network management control order is artificial the most main, then judge whether local terminal is standby end, if it is not,
Then send K1=0xA0；
If it is, judge that whether local terminal alarm is the K2=0xA0 of (0/0/0) and opposite end, if not
It is then to send K1=0xA0；
If it is, carry out the standby master in sending and receiving end, and send K1=0xA1；
Judge whether to receive K2/bit3=1；
If it is send K1=0xA0, and to revise local terminal alarm be (1/1/0), enter auto switching shape
State；
Situation 8:
If receiving K1=0xA1, then judge whether local terminal is standby end, if it is not, then send
K1=0xA0；
If it is, judge whether local terminal alarm is (0/0/0), if it is not, then send K1=0xA0；
If it is, carry out the standby master in sending and receiving end, and send K1=0xA0；
Amendment local terminal alarm is (1/1/0), and enters auto switching state；
Situation 9:
If network management control order is protection locking, then judge whether local terminal is primary end, if it is not,
Then send K1=0xA4；
If it is, send K1=0xAB；
Situation 10:
If receiving K1=0xAB, then judge whether local terminal is primary end, if it is not, then receive and dispatch
End is standby the most main, and sends K1=0xA0；
If it is, send K1=0xA0；
Situation 11:
If receiving K1=0xA4, then judge whether local terminal is standby end, if it is not, then receive and dispatch
End is main standby, and sends K1=0xA0；
If it is, send K1=0xA0；
Situation 12:
Switch or auto switching if network management control order is removing, then enter auto switching state.
In sum, compared with the existing technology, present invention have the advantage that
The when of carrying out pretection switch action in the reception direction of local terminal, the sending direction of notice opposite end is same
Shi Jinhang pretection switch action so that transmitting-receiving integrating action, it is ensured that business optical signal is the most unimpeded.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the enlightenment in the present invention
Under the structure change made, every have same or like technical scheme with the present invention, each falls within this
Within the protection domain of invention.
Claims (7)
1. one to an one two-way Optical Line Protection reverse method based on control command byte, it is characterised in that include step:
S1, the first single-deck judge the state of work and protection circuit according to the luminous power that PIN pipe detects；
S2, the luminous power detected when PIN pipe less than light drop-thresholds, then report luminous power to lose alarm；
S3, lose alarm according to luminous power state byte K2 is configured, and configure K1 byte and the first single-deck and the second single-deck are described simultaneously need to the pretection switch action taked；
S4, send above-mentioned K1, K2 byte to the second single-deck；
S5, the second single-deck carry out corresponding pretection switch action according to K1, K2 byte received；
Described K1 byte representation the first single-deck and the second single-deck are simultaneously need to the pretection switch action taked；Described K2 byte representation the first single-deck or photoswitch duty corresponding to the second single-deck and alarm status.
2. the method for claim 1, it is characterised in that in described step 5, described second single-deck carries out corresponding pretection switch action according to K1, K2 byte received and K1, K2 byte himself generated.
3. method as claimed in claim 2, it is characterised in that also include after described step 5:
K1, K2 byte himself generated is sent to described first single-deck by S6, described second single-deck；
S7, described first single-deck receive K1, K2 byte that described second single-deck sends；
S8, described first single-deck carry out corresponding pretection switch action according to K1, K2 byte received and K1, K2 byte himself generated.
4. the method for claim 1, it is characterised in that also included before described step S4:
Described first single-deck receives webmaster and issues Artificial Control order, and enters Artificial Control pattern；
Described first single-deck carries out pretection switch action by the K1 byte receiving webmaster or described second single-deck transmission.
5. method as claimed in claim 2, it is characterised in that the pretection switch action that described K1, K2 byte and needs are taked, duty, the corresponding relation of alarm status be:
Init state: two ends acquiescence is at master state, K2=0x A8, K1=0x A0；
Condition=(Zhu Yong && local terminal alarm 1/1/0&&RevK1！=0xA9), action=receiving end is made a start main standby, sends K1=0xAC；
Condition=(Zhu Yong && local terminal alarm 0/0/0 or 1/1/0&&RevK1=0xAC), action=receiving end is made a start main standby, sends K1=0xA0；
Condition=(Zhu Yong && local terminal alarm 0/0/1&&RevK1=0xAC), action=transmission K1=0xA9, when receiving K1=0xA9, locking is primary automatically；
Condition=(Bei Yong && local terminal alarm 0/0/0&& remote alarm 0/0/0), action=Wait-to-Restore, then after, receiving end make a start standby fall main, send K1=0xA3；
Condition=(Bei Yong && local terminal alarm 1/0/1&&RevK1！=0xAD), action=receiving end is made a start standby the most main, sends K1=0xA3；
Condition=(Bei Yong && local terminal alarm 0/0/0&&RevK1=0xA3), action=receiving end is made a start standby the most main, sends K1=0xA0；
Condition=(Bei Yong && local terminal alarm 0/1/0&&RevK1=0xA3), sends K1=0xAD, and when receiving K1=0xAD, locking is standby automatically；
Condition=(Bei Yong && local terminal alarm 1/1/1), action=receiving end is made a start standby the most main, sends K1=0xA0；
Waiting state: send K1=0xA0.
6. method as claimed in claim 5, it is characterised in that described automatic locking is primary to be referred to:
There is primary fault in described first single-deck alarm, and when alternate fault occurs in described second single-deck alarm, OLP is switched to primary, and is maintained at master state；
In the case of described first single-deck and the primary light of described second single-deck and primary reference light the most do not alert, OLP releases from locking master state, enters into other states.
7. method as claimed in claim 5, it is characterised in that described automatic locking is standby to be referred to:
There is primary fault in described first single-deck alarm, and when alternate fault occurs in described second single-deck alarm, OLP is switched to standby, and is maintained at resting state；
In the case of described first single-deck and the primary light of described second single-deck and primary reference light the most do not alert, OLP releases from locking resting state, enters into other states.
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| CN201310651541.6A CN103607237B (en) | 2013-12-05 | 2013-12-05 | One to one two-way Optical Line Protection reverse method based on control command byte |
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| CN201310651541.6A CN103607237B (en) | 2013-12-05 | 2013-12-05 | One to one two-way Optical Line Protection reverse method based on control command byte |
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| CN103607237B true CN103607237B (en) | 2016-09-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791096A (en) * | 2004-12-13 | 2006-06-21 | 华为技术有限公司 | Method for distinguishing LP-S and SF-P request in multiplex section protection |
| CN101001123A (en) * | 2006-12-31 | 2007-07-18 | 华为技术有限公司 | Inversion method and device for optical transmission |
| WO2011140785A1 (en) * | 2010-05-14 | 2011-11-17 | 中兴通讯股份有限公司 | Multiplex section protection method and system in packet transport network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791096A (en) * | 2004-12-13 | 2006-06-21 | 华为技术有限公司 | Method for distinguishing LP-S and SF-P request in multiplex section protection |
| CN101001123A (en) * | 2006-12-31 | 2007-07-18 | 华为技术有限公司 | Inversion method and device for optical transmission |
| WO2011140785A1 (en) * | 2010-05-14 | 2011-11-17 | 中兴通讯股份有限公司 | Multiplex section protection method and system in packet transport network |
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