CN109067454A - A kind of method and system realized optical module and support pretection switch function - Google Patents
A kind of method and system realized optical module and support pretection switch function Download PDFInfo
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- CN109067454A CN109067454A CN201810715402.8A CN201810715402A CN109067454A CN 109067454 A CN109067454 A CN 109067454A CN 201810715402 A CN201810715402 A CN 201810715402A CN 109067454 A CN109067454 A CN 109067454A
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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
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
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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
- H04B10/03—Arrangements for fault recovery
- H04B10/038—Arrangements for fault recovery using bypasses
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
The invention discloses a kind of method and system realized optical module and support pretection switch function; it is related to technical field of photo communication; method includes the following steps: the register address high position in optical module selects two bytes; one is used to indicate whether low power consuming mode pin is supported to be multiplexed with TX_DIS, another is used to indicate whether interrupt pin is supported to be multiplexed with RX_LOS；Two bytes are selected in the register address low level of optical module, one is multiplexed for configuring low power consuming mode pin and TX_DIS, another is multiplexed for configuring interrupt pin and RX_LOS；After optical mode initialization block, configuration low power consuming mode pin is high level, detects whether to support multiplexing；When supporting multiplexer mode, configuration optical module enters low power consuming mode, and low power consuming mode pin is switched to TX_DIS, interrupt pin is switched to RX_LOS by two bytes of the register address low level by configuring optical module.The demand that the present invention can support protection of the optical networks to switch.
Description
Technical field
The present invention relates to technical field of photo communication, and in particular to a method of realize that optical module supports pretection switch function
And system.
Background technique
Current optical transmission network face ever-increasing bandwidth demand, to optical module require also small, low-power consumption,
Low cost.100G QSFP (Quad Small Form-factor Pluggable, four-way minimize pluggable module) 28 light
Module is used widely in the optical communication fields such as data center because of its above feature.In transmission network application, pretection switch
Link utilization RX_LOS signal (receiving end alarm output signal) triggering distal end TX_DIS signal (originator forbids enabled input signal),
And then notify proximal end RX_LOS, then complete active-standby switch task.Whole process requires to complete within 50ms.
In PTN (Packet TransportNetwork, Packet Transport Network), OTN (Optical
TransportNetwork, optical transport network) etc. telecommunications application field, 100G QSFP28 optical module is under existing standard agreement
Lack the effective pin signal for providing for pretection switch and diagnosing output and control input, i.e., existing optical module can not provide
RX_LOS signal, TX_DIS signal, cause this kind of module that can not be applied in transport layer, while can not obtain and utilize the module
It is convenient in the logical field scale application bring cost decline of number and material availability.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of realization optical modules, and protection to be supported to fall
The method and system for changing function, the demand for making optical module that protection of the optical networks be supported to switch.
To achieve the above objectives, the technical solution adopted by the present invention is that: a kind of realization optical module supports pretection switch function
Method, comprising the following steps:
Two bytes are selected in a register address high position for optical module, one is used to indicate whether low power consuming mode pin is supported
It is multiplexed with originator and forbids enabled input signal TX_DIS, another is used to indicate whether interrupt pin is supported to be multiplexed with receiving end alarm
Output signal RX_LOS；
Two bytes are selected in the register address low level of optical module, one for configuring low power consuming mode pin and TX_DIS
Multiplexing, another is multiplexed for configuring interrupt pin and RX_LOS；
After optical mode initialization block, configuration low power consuming mode pin is high level, high-order according to the register address of optical module
Two bytes detect whether support multiplexing；
When supporting multiplexer mode, configuration optical module enters low power consuming mode, then the register address by configuring optical module
Low power consuming mode pin is switched to TX_DIS by two bytes of low level, and interrupt pin is switched to RX_LOS, and configuration optical module moves back
Low power consuming mode out.
Based on the above technical solution, further comprising the steps of: when need to exit multiplexing, to first pass through setting register and beat
It is enabled to open pin multiplexing setting, then two bytes of the register address low level by configuring optical module, makes low power consuming mode pipe
Foot and interrupt pin restPose, and close pin multiplexing setting by setting register and enable, optical module exits multiplexing.
Based on the above technical solution, the register configuration of the optical module is set as power down not preservation mode.
Based on the above technical solution, the configuration optical module enters the detailed process of low power consuming mode are as follows:
It opens pin multiplexing setting by setting register to enable, configuration power consumption covering byte, power consumption setting byte are high
Level, configuration optical module enter low power consuming mode.
Based on the above technical solution, the configuration optical module exits the detailed process of low power consuming mode are as follows:
It closes pin multiplexing setting by setting register to enable, configuration power consumption covering byte, power consumption setting byte are low
Level, configuration optical module exit low power consuming mode.
The invention also discloses a kind of systems realized optical module and support pretection switch function, comprising:
Register address configuration module is used to select two bytes, a word in a register address high position for optical module
Section is used to indicate whether low power consuming mode pin is supported to be multiplexed with TX_DIS, another byte is used to indicate whether interrupt pin props up
It holds and is multiplexed with RX_LOS；Two bytes are selected in the register address low level of optical module, a byte is for configuring low power consuming mould
Formula pin and TX_DIS are multiplexed, another byte is multiplexed for configuring interrupt pin and RX_LOS；
It is multiplexed switching module, being used to configure low power consuming mode pin is high level, according to the register address of optical module
Two high-order bytes detect whether to support multiplexer mode；When supporting multiplexer mode, first configures optical module and enters low power consuming mode,
Again by configuring two bytes of the register address low level of optical module, low power consuming mode pin is switched to TX_DIS, is interrupted
Pin is switched to RX_LOS, and configures optical module and exit low power consuming mode.
Based on the above technical solution, the multiplexing switching module is also used to: when need to exit multiplexing, first passing through setting
Register is opened pin multiplexing setting and is enabled, then two bytes of the register address low level by configuring optical module, makes low consumption
Energy mode pin and interrupt pin restPose, and close pin multiplexing setting by setting register and enable, optical module moves back
It is multiplexed out.
Based on the above technical solution, the register configuration of the optical module is set as power down not preservation mode.
Based on the above technical solution, the multiplexing switching module configuration optical module enters the specific of low power consuming mode
Process are as follows:
It opens pin multiplexing setting by setting register to enable, configuration power consumption covering byte, power consumption setting byte are high
Level, configuration optical module enter low power consuming mode.
Based on the above technical solution, the multiplexing switching module configuration optical module exits the specific of low power consuming mode
Process are as follows:
It closes pin multiplexing setting by setting register to enable, configuration power consumption covering byte, power consumption setting byte are low
Level, configuration optical module exit low power consuming mode.
Based on the above technical solution,
Compared with the prior art, the advantages of the present invention are as follows:
The present invention provides a kind of methods that optical module supports pretection switch application, realize that optical module is hard by software configuration
The multiplexing of part pin does not need hardware change, the demand that protection of the optical networks can be supported to switch, to make in the logical field scale of number
The optical module 100G QSFP28 for changing application can be applied to field of telecommunications；In telecommunication network framework, such low-power consumption, it is low at
Originally, the batch application of small package module will be such that network overall cost declines, while it is larger again to obtain network bandwidth, machine disk density
Improve.
Detailed description of the invention
Fig. 1 is to realize that optical module supports the flow diagram of the method for pretection switch function in the embodiment of the present invention；
Fig. 2 is to realize that optical module supports the structural schematic diagram of the system of pretection switch function in the embodiment of the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Embodiment 1:
As shown in Figure 1, being the 100G QSFP28 optical module pin definitions figure being related in the embodiment of the present invention.In this hair
In bright embodiment, the pin 28 being mainly concerned with is INTL (interruption) and RX_LOS is multiplexed, and pin 31 is LPMODE (low power consuming mould
Formula) it is multiplexed with TX-DIS.
Shown in Figure 1, the embodiment of the present invention provides a kind of method realized optical module and support pretection switch function, including
Following steps:
S1 selects two bytes in a register address high position for optical module, and a byte is used to indicate low power consuming mode pipe
Whether foot supports that being multiplexed with originator forbids enabled input signal TX_DIS, another byte is used to indicate whether interrupt pin is supported
It is multiplexed with receiving end alarm output signal RX_LOS；
S2 selects two bytes in the register address low level of optical module, and a byte is for configuring low power consuming mode pipe
Foot and TX_DIS are multiplexed, another byte is multiplexed for configuring interrupt pin and RX_LOS；
S3, after optical mode initialization block, configuration low power consuming mode pin is high level, high according to the register address of optical module
Two bytes of position judge whether to support multiplexing；
S4, when supporting multiplexer mode, configuration optical module enters low power consuming mode, then the register by configuring optical module
Low power consuming mode pin is switched to TX_DIS by two bytes of location low level, and interrupt pin is switched to RX_LOS, configures optical module
Exit low power consuming mode.
The embodiment of the present invention realizes the multiplexing of optical module hardware pin by software configuration, does not need hardware change, makes it
The demand that protection of the optical networks can be supported to switch.
Embodiment 2:
On the basis of embodiment 1, it realizes that optical module supports the method for pretection switch function further comprising the steps of: need to move back
When being multiplexed out, it is enabled (Byte93=03h of setting register) to first pass through setting register opening pin multiplexing setting, then pass through
Two bytes for configuring the register address low level of optical module make low power consuming mode pin and interrupt pin restPose, then
Pin multiplexing setting is closed by setting register and enables (Byte93=01h of setting register), and optical module exits multiplexing.
There are two ways to multiplexing functional mode uses is exited, one is first pass through setting register opening pin multiplexing to set
Set enabled (setting Byte93=03h), then configuration register address low level (Memory Map LowerPage 00h page)
Two Byte make it restore reset condition；Pin multiplexing setting, which is closed, finally by setting register enables (setting register
Byte93=01h)；Another method is to exit multiplexing function mould by direct reduction module (Reset module) to realize
Formula.
Register configuration uses power down not preservation mode, and module is restored to final configuration status after power down or reset.
The configuration optical module enters the detailed process of low power consuming mode are as follows:
Pin multiplexing setting is opened by setting register and enables (Byte93=03h of setting register), configures power consumption
Covering byte, power consumption setting byte are high level, and configuration optical module enters low power consuming mode.
The configuration optical module exits the detailed process of low power consuming mode are as follows:
Pin multiplexing setting is closed by setting register and enables (Byte93=01h of setting register), configures power consumption
Covering byte, power consumption setting byte are low level, and configuration optical module exits low power consuming mode.
The embodiment of the present invention realizes that configuration optical module enters low power consuming mode, exits low power consuming mode by software configuration,
And then realize the multiplexing of optical module hardware pin, and it does not need hardware and changes, the demand that protection of the optical networks can be supported to switch, thus
Make to can be applied to field of telecommunications in the optical module 100G QSFP28 of the logical field scale application of number.
Embodiment 3:
On the basis of embodiment 1, it realizes the method that optical module supports pretection switch function, specifically includes following procedure:
Two are selected in the register address high-order (Memory Map Upper Page 00h page or other pages) of optical module
Byte, is used to indicate whether module has the function of multiplexing.Above-mentioned two Byte, a Byte are used to refer to that " LPMODE whether may be used
To be multiplexed with TX_DIS ", another Byte is used to refer to " whether INTL can be multiplexed with RX_LOS ".
Two are selected in the register address low level (Memory Map LowerPage 00h page or other pages) of optical module
Byte is used for control module pin multiplexing function." LPMODE is multiplexed with TX_ for configuring by above-mentioned two Byte, a Byte
DIS keeps LPMODE constant ", another Byte is used to configure " INTL is multiplexed with RX_LOS or keeps INTL constant ".
After optical mode initialization block, single-deck (line card) first draws high the LPMODE pin of optical module, enters optical module low
Power consumption mode.
Check two Byte of the Memory Map UpperPage 00h page of optical module, whether confirmation module, which is supported, is multiplexed
Mode.If supporting multiplexer mode, pin multiplexing is opened by setting register, enabled (setting Byte93=03h) is set,
Starting power consumption covering Power_override, power consumption setting Power_set byte are high level, and software configuration makes it into low
power mode。
Two Byte for configuring the Memory Map Lower Page 00h page of optical module, make LPMODE be switched to TX_
DIS, INTL are switched to RX_LOS.
Pin multiplexing setting is closed by setting register and enables (Byte93=01h of setting register), and optical module moves back
Low-power consumption mode out；The TX_DIS of optical module is activated.After being multiplexed function completion switching, TX_DIS is high level, optical module
Shutdown output；RX_LOS is high level alarm.
The embodiment of the present invention realizes that configuration optical module enters low power consuming mode, exits low power consuming mode by software configuration,
And then realize the multiplexing of optical module hardware pin, and it does not need hardware and changes, the demand that protection of the optical networks can be supported to switch, thus
Make to can be applied to field of telecommunications in the optical module 100G QSFP28 of the logical field scale application of number；In telecommunication network framework,
Such low-power consumption, low cost, the batch application of small package module will be such that network overall cost declines, at the same make again network bandwidth,
Machine disk density is greatly improved.
Embodiment 4:
Shown in Figure 2, the embodiment of the invention discloses a kind of system realized optical module and support pretection switch function, packets
It includes:
Register address configuration module is used to select two bytes, a word in a register address high position for optical module
Section is used to indicate whether low power consuming mode pin is supported to be multiplexed with TX_DIS, another byte is used to indicate whether interrupt pin props up
It holds and is multiplexed with RX_LOS；Two bytes are selected in the register address low level of optical module, a byte is for configuring low power consuming mould
Formula pin and TX_DIS are multiplexed, another byte is multiplexed for configuring interrupt pin and RX_LOS；
It is multiplexed switching module, being used to configure low power consuming mode pin is high level, according to the register address of optical module
Two high-order bytes judge whether to support multiplexer mode；When supporting multiplexer mode, first configures optical module and enters low power consuming mode,
Again by configuring two bytes of the register address low level of optical module, low power consuming mode pin is switched to TX_DIS, is interrupted
Pin is switched to RX_LOS, and configures optical module and exit low power consuming mode.
The embodiment of the present invention realizes the multiplexing of optical module hardware pin by software configuration, does not need hardware change, makes it
The demand that protection of the optical networks can be supported to switch.
Embodiment 5:
On the basis of embodiment 4, when need to exit multiplexing, multiplexing switching module is also used to first pass through setting register and opens
Pin multiplexing setting is enabled (Byte93=03h of setting register), then the register address low level by configuring optical module
Two bytes make low power consuming mode pin and interrupt pin restPose, then close pin multiplexing by setting register and set
Enabled (Byte93=01h of setting register) is set, optical module exits multiplexing.
The register configuration of the optical module is set as power down not preservation mode.
The multiplexing switching module configuration optical module enters the concrete mode of low power consuming mode are as follows:
Pin multiplexing setting is opened by setting register and enables (Byte93=03h of setting register), configures power consumption
Covering byte, power consumption setting byte are high level, and configuration optical module enters low power consuming mode.
The multiplexing switching module configuration optical module exits the concrete mode of low power consuming mode are as follows:
Pin multiplexing setting is closed by setting register and enables (Byte93=01h of setting register), configures power consumption
Covering byte, power consumption setting byte are low level, and configuration optical module exits low power consuming mode.
The embodiment of the present invention realizes that configuration optical module enters low power consuming mode, exits low power consuming mode by software configuration,
And then realize the multiplexing of optical module hardware pin, and it does not need hardware and changes, the demand that protection of the optical networks can be supported to switch, thus
Make to can be applied to field of telecommunications in the optical module 100G QSFP28 of the logical field scale application of number.
Embodiment 6:
On the basis of embodiment 4, realize that the system that optical module supports pretection switch function, workflow are as follows:
Register address configuration module selects two in module Memory Map UpperPage 00h page (or other pages)
Byte, is used to indicate whether module has the function of multiplexing.Above-mentioned two Byte, a Byte are used to refer to that " LPMODE whether may be used
To be multiplexed with TX_DIS ", another Byte is used to refer to " whether INTL can be multiplexed with RX_LOS ".
Register address configuration module selects two in module Memory Map LowerPage 00h page (or other pages)
Byte is used for control module pin multiplexing function." LPMODE is multiplexed with TX_ for configuring by above-mentioned two Byte, a Byte
DIS keeps LPMODE constant ", another Byte is used to configure " INTL is multiplexed with RX_LOS or keeps INTL constant ".
After module initialization, single-deck (line card) is first drawn the LPMODE pin of optical module by multiplexer switching module
Height makes module enter low-power consumption mode.
Multiplexer switching module checks two Byte of module Memory Map UpperPage 00h page, and confirmation module is
No support multiplexer mode.If supporting multiplexer mode, the enabled (setting of pin multiplexing setting is opened by setting register
Byte93=03h), starting Power_override, Power_set byte is high level, and software configuration makes it into low
powermode。
Two Byte of multiplexer switching module configuration module Memory Map LowerPage 00h page, cut LPMODE
It is changed to TX_DIS, INTL is switched to RX_LOS.
Multiplexer switching module closes pin multiplexing setting by setting register and enables (setting Byte93=01h), mould
Block exits low-power consumption mode；The TX_DIS of module is activated.After being multiplexed function completion switching, TX_DIS is high level, module
Shutdown output；RX_LOS is high level alarm.
The embodiment of the present invention realizes the multiplexing of optical module hardware pin by software configuration, does not need hardware change, makes it
The demand that protection of the optical networks can be supported to switch, to enable to answer in the optical module 100G QSFP28 of the logical field scale application of number
For field of telecommunications；In telecommunication network framework, such low-power consumption, low cost, the batch application of small package module will make network
Overall cost decline, while network bandwidth, machine disk density being made to be greatly improved again.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of method realized optical module and support pretection switch function, which comprises the following steps:
Two bytes are selected in a register address high position for optical module, one is used to indicate whether low power consuming mode pin is supported to be multiplexed
Forbid enabled input signal TX_DIS for originator, another is used to indicate whether interrupt pin is supported to be multiplexed with receiving end alarm output
Signal RX_LOS；
Two bytes are selected in the register address low level of optical module, one multiple for configuring low power consuming mode pin and TX_DIS
With another is multiplexed for configuring interrupt pin and RX_LOS；
After optical mode initialization block, configuration low power consuming mode pin is high level, according to the two of the register address of an optical module high position
A byte detects whether to support multiplexing；
When supporting multiplexer mode, configuration optical module enters low power consuming mode, then the register address low level by configuring optical module
Two bytes, low power consuming mode pin is switched to TX_DIS, interrupt pin is switched to RX_LOS, and configuration optical module exits low
Energy consumption mode.
2. a kind of method realized optical module and support pretection switch function as described in claim 1, it is characterised in that: further include
Following steps: when need to exit multiplexing, it is enabled to first pass through setting register opening pin multiplexing setting, then by configuring optical module
Two bytes of register address low level, make low power consuming mode pin and interrupt pin restPose, and are deposited by setting
Device is closed pin multiplexing setting and is enabled, and optical module exits multiplexing.
3. a kind of method realized optical module and support pretection switch function as described in claim 1, it is characterised in that: the light
The register configuration of module is set as power down not preservation mode.
4. a kind of method realized optical module and support pretection switch function as described in claim 1, it is characterised in that: described to match
Set the detailed process that optical module enters low power consuming mode are as follows:
Pin multiplexing setting to be opened by setting register to enable, configuration power consumption covering byte, power consumption setting byte are high level,
Configuration optical module enters low power consuming mode.
5. a kind of method realized optical module and support pretection switch function as described in claim 1, it is characterised in that: described to match
Set the detailed process that optical module exits low power consuming mode are as follows:
Pin multiplexing setting to be closed by setting register to enable, configuration power consumption covering byte, power consumption setting byte are low level,
Configuration optical module exits low power consuming mode.
6. a kind of system realized optical module and support pretection switch function characterized by comprising
Register address configuration module is used to select two bytes in a register address high position for optical module, and a byte is used
Whether support to be multiplexed with TX_DIS in instruction low power consuming mode pin, another byte is used to indicate whether interrupt pin is supported again
With for RX_LOS；Two bytes are selected in the register address low level of optical module, a byte is for configuring low power consuming mode pipe
Foot and TX_DIS are multiplexed, another byte is multiplexed for configuring interrupt pin and RX_LOS；
It is multiplexed switching module, being used to configure low power consuming mode pin is high level, high-order according to the register address of optical module
Two bytes detect whether support multiplexer mode；When supporting multiplexer mode, first configures optical module and enter low power consuming mode, then lead to
Two bytes for crossing the register address low level of configuration optical module, are switched to TX_DIS, interrupt pin for low power consuming mode pin
It is switched to RX_LOS, and configures optical module and exits low power consuming mode.
7. a kind of system realized optical module and support pretection switch function as claimed in claim 6, it is characterised in that: described multiple
It is also used to switching module: when need to exit multiplexing, it is enabled to first pass through setting register opening pin multiplexing setting, then pass through and configure
Two bytes of the register address low level of optical module, make low power consuming mode pin and interrupt pin restPose, pass through
Register closing pin multiplexing setting is arranged to enable, optical module exits multiplexing.
8. a kind of system realized optical module and support pretection switch function as claimed in claim 6, it is characterised in that: the light
The register configuration of module is set as power down not preservation mode.
9. a kind of system realized optical module and support pretection switch function as claimed in claim 6, it is characterised in that: described multiple
Enter the detailed process of low power consuming mode with switching module configuration optical module are as follows:
Pin multiplexing setting to be opened by setting register to enable, configuration power consumption covering byte, power consumption setting byte are high level,
Configuration optical module enters low power consuming mode.
10. a kind of system realized optical module and support pretection switch function as claimed in claim 6, it is characterised in that: described
Multiplexing switching module configuration optical module exits the detailed process of low power consuming mode are as follows:
Pin multiplexing setting to be closed by setting register to enable, configuration power consumption covering byte, power consumption setting byte are low level,
Configuration optical module exits low power consuming mode.
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| CN112039582A (en) * | 2020-09-03 | 2020-12-04 | 南京捷澳德信息科技有限公司 | System and method for optical module expansion supporting optical communication link protection switching application |
| WO2022021048A1 (en) * | 2020-07-28 | 2022-02-03 | 华为技术有限公司 | Optical module and protection switching method |
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| CN109067454B (en) | 2020-04-28 |
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