CN114679221B - Communication device and equipment capable of configuring optical interface working mode - Google Patents
Communication device and equipment capable of configuring optical interface working mode Download PDFInfo
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- CN114679221B CN114679221B CN202210194806.3A CN202210194806A CN114679221B CN 114679221 B CN114679221 B CN 114679221B CN 202210194806 A CN202210194806 A CN 202210194806A CN 114679221 B CN114679221 B CN 114679221B
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- 238000012545 processing Methods 0.000 claims abstract description 122
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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
- H04B10/40—Transceivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/321—Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers
Abstract
The invention discloses a communication device and equipment capable of configuring an optical interface working mode, wherein the device comprises a first optical interface module, a second optical interface module, an FPGA logic module, an E1 interface module, a control module and an Ethernet exchange chip module, and the FPGA logic module comprises an optical interface switching module, a configuration module and a signal processing module; the first optical interface module is connected with the Ethernet exchange chip module and the signal processing module through the optical interface switching module, the second optical interface module is connected with the signal processing module, the signal processing module is connected with the Ethernet exchange chip module and the E1 interface module, and the control module is connected with the Ethernet exchange chip module and is connected with the optical interface switching module and the signal processing module through the configuration module. The invention can switch the working modes of the optical interface, and can transmit the circuit service data and the network service data at the same time, thereby improving the flexibility of function configuration aiming at different application scenes.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a communications device and apparatus capable of configuring an optical interface working mode.
Background
In a communication network, an optical interface refers to an optical transmission interface meeting STM-1, STM-4 and other protocols in SDH equipment, and is called an SDH optical interface for short; in ethernet communications, an optical interface refers to an optical transmission interface conforming to the specification of an ethernet optical interface, which is simply referred to as an ethernet optical interface. In the service of the power dispatching communication network, not only the SDH optical interface is required to be used for remote data transmission, but also the ethernet optical interface is required to be used for packet data transmission, and meanwhile, the E1 interface is required to be used for voice data transmission of local circuit switching.
However, the optical interfaces of the existing communication devices have single functions, and according to different application scenarios, different communication devices are required to implement a specific data transmission function, for example, an ethernet switch with an optical interface is required to implement conversion from an optical interface to an electrical interface, so as to implement transmission of network service data, and PCM multiplexing equipment is required to implement transmission of circuit service data. Therefore, the existing communication device has single function, can not realize the extension of circuit service and network service at the same time, and has low flexibility of function configuration aiming at different application scenes.
Disclosure of Invention
The invention provides a communication device and equipment capable of configuring an optical interface working mode, which can switch the working modes of the optical interface according to different application scenes, can transmit circuit service data and network service data at the same time, realize the extension of the circuit service and the network service, and improve the flexibility of carrying out function configuration according to different application scenes.
In order to solve the technical problem, a first aspect of the present invention provides a communication device capable of configuring an optical interface working mode, which includes a first optical interface module, a second optical interface module, an FPGA logic module, an E1 interface module, a control module, and an ethernet switch chip module, where the FPGA logic module includes an optical interface switching module, a configuration module, and a signal processing module;
the first optical interface module is respectively connected with the Ethernet switching chip module and the signal processing module through the optical interface switching module, the second optical interface module is connected with the signal processing module, the signal processing module is respectively connected with the Ethernet switching chip module and the E1 interface module, the control module is connected with the Ethernet switching chip module, and the control module is respectively connected with the optical interface switching module and the signal processing module through the configuration module;
the control module is used for sending an optical interface switching instruction to the optical interface switching module through the configuration module and sending a signal processing instruction to the signal processing module;
the optical interface switching module is used for switching the working mode of the first optical interface module according to the optical interface switching instruction;
the signal processing module is used for processing signals input from the first optical interface module, the second optical interface module and the E1 interface module according to the signal processing instruction so as to transmit circuit service data and network service data in the input signals.
As a preferable scheme, the signal processing module comprises an SDH signal processing module and an E1 signal processing module;
the first optical interface module is connected with the SDH signal processing module through the optical interface switching module, the second optical interface module is connected with the SDH signal processing module, the SDH signal processing module is connected with the E1 signal processing module, the E1 signal processing module is respectively connected with the Ethernet switching chip module and the E1 interface module, and the control module is respectively connected with the SDH signal processing module and the E1 signal processing module through the configuration module;
the SDH signal processing module is used for framing/de-framing and multiplexing section switching processing on the SDH signals input from the first optical interface module and the second optical interface module, and converting the SDH signals into a plurality of E1 link signals;
the E1 signal processing module is used for unpacking/packaging the data packet of the network service using time slot in the E1 link signals, exchanging the time slot of the circuit service using time slot in the E1 link signals, and framing/deframeing the E1 link signals.
As a preferred scheme, the SDH signal processing module at least includes a first framing/de-framing module, a second framing/de-framing module, a multiplexing section switching module, and an E1 link signal conversion module;
the first optical interface module is connected with the first framing/deframeing module through the optical interface switching module, the second optical interface module is connected with the second framing/deframeing module, the multiplexing section switching module is respectively connected with the first framing/deframeing module, the second framing/deframeing module and the E1 link signal conversion module, and the E1 link signal conversion module is connected with the E1 signal processing module.
As a preferred scheme, the E1 signal processing module includes at least an IPOE transceiver module, an ethernet PHY module, a time slot exchange module, and an E1 link signal framing/deframer module;
the SDH signal processing module is connected between the IPOE transceiver module and the time slot switching module, the IPOE transceiver module is connected with the Ethernet switching chip module through the Ethernet PHY module, the time slot switching module is connected with the E1 link signal framing/deframer module, and the E1 link signal framing/deframer module is connected with the E1 interface module;
the IPOE transceiver module is configured to unpack a data packet of a network service usage slot in the multiple E1 link signals received from the SDH signal processing module, and send the unpack data packet to the Ethernet switch chip module through the Ethernet PHY module; the IP data packet received from the Ethernet exchange chip module is packaged, and the packaged IP data packet is sent to the E1 interface module in the form of using time slots by network service in E1 link signals;
the time slot exchange module is used for combining circuit service use time slots in a plurality of E1 link signals received from the SDH signal processing module to form a transmission frame of the E1 interface module; the received frames received from the E1 interface module are placed in circuit traffic usage slots of the plurality of E1 link signals.
As a preferred solution, the control module is connected with the SDH signal processing module through the configuration module, specifically:
the control module is respectively connected with the multiplexing section switching module and the E1 link signal conversion module through the configuration module.
As a preferred solution, the control module is connected with the E1 signal processing module through the configuration module, specifically:
the control module is connected with the time slot exchange module through the configuration module.
Preferably, the working modes of the first optical interface module include an SDH optical interface mode and an ethernet optical interface mode.
Preferably, the first optical interface module and the second optical interface module each include an SFP optical module, which is configured to convert an optical signal sent by the SDH device through an optical fiber into a high-speed serial electrical signal.
As a preferred scheme, the control module is further configured to detect whether alarm information exists in SDH signals input by the first optical interface module and the second optical interface module when the working mode of the first optical interface module is an SDH optical interface mode; when detecting that the SDH signal input by the first optical interface module or the second optical interface module has alarm information, sending an alarm instruction to the multiplexing section switching module so as to enable the multiplexing section switching module to switch the access signal and access the SDH signal input by the second optical interface module or the first optical interface module.
A second aspect of an embodiment of the present invention provides a communication device capable of configuring an optical interface operation mode, including a communication apparatus capable of configuring an optical interface operation mode according to any one of the first aspect.
Compared with the prior art, the embodiment of the invention has the advantages that the working modes of the optical interfaces can be switched according to different application scenes, the circuit service data and the network service data can be transmitted at the same time, the extension of the circuit service and the network service is realized, and the flexibility of carrying out function configuration according to different application scenes is improved.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of a communication device with a configurable optical interface mode of operation provided by the present invention;
FIG. 2 is a schematic diagram of another preferred embodiment of a communication device with a configurable optical interface mode of operation provided by the present invention;
fig. 3 is a flow chart of an E1 link decomposition process according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a first aspect of the present invention provides a communication device capable of configuring an optical interface working mode, including a first optical interface module 101, a second optical interface module 102, an FPGA logic module 103, an E1 interface module 104, a control module 105, and an ethernet switch chip module 106, where the FPGA logic module 103 includes an optical interface switching module 201, a configuration module 202, and a signal processing module 203;
the first optical interface module 101 is respectively connected with the ethernet switch chip module 106 and the signal processing module 203 through the optical interface switch module 201, the second optical interface module 102 is connected with the signal processing module 203, the signal processing module 203 is respectively connected with the ethernet switch chip module 106 and the E1 interface module 104, the control module 105 is connected with the ethernet switch chip module 106, and the control module 105 is respectively connected with the optical interface switch module 201 and the signal processing module 203 through the configuration module 202;
the control module 105 is configured to send an optical interface switching instruction to the optical interface switching module 201 through the configuration module 202, and send a signal processing instruction to the signal processing module 203;
the optical interface switching module 201 is configured to switch the working mode of the first optical interface module 101 according to the optical interface switching instruction;
the signal processing module 203 is configured to process signals input from the first optical interface module 101, the second optical interface module 102, and the E1 interface module 104 according to the signal processing instruction, so as to transmit circuit service data and network service data in the input signals.
Preferably, the first optical interface module 101 and the second optical interface module 102 each include an SFP optical module, which is configured to convert an optical signal sent by the SDH device through an optical fiber into a high-speed serial electrical signal.
Preferably, the working modes of the first optical interface module 101 include an SDH optical interface mode and an ethernet optical interface mode.
In the embodiment of the present invention, when the circuit service needs to be extended, the control module 105 sends an optical interface switching instruction to the optical interface switching module 201 through the configuration module 202, so that the working mode of the first optical interface module 101 is switched to the SDH optical interface mode, at this time, the first optical interface module 101 and the second optical interface module 102 are both connected to the SDH device through optical fibers, and the signal processing module 203 processes the SDH signals input from the first optical interface module 101 and the second optical interface module 102 according to the signal processing instruction, including but not limited to performing framing/deframer processing and multiplexing section switching processing, and converts the SDH signals into a plurality of E1 link signals, then processes circuit service data in the plurality of E1 link signals, and sends the processed SDH service data to the far-end device through the E1 interface module 104, so as to implement the extension of the circuit service.
When the circuit service and the network service need to be extended at the same time, the control module 105 sends an optical interface switching instruction to the optical interface switching module 201 through the configuration module 202, so that the working mode of the first optical interface module 101 is switched to the ethernet optical interface mode. The signal processing module 203 processes the SDH signal input from the second optical interface module 102 according to a signal processing instruction, including but not limited to framing/de-framing processing and multiplexing section switching processing, converts the SDH signal into a plurality of E1 link signals, then processes circuit service data in the plurality of E1 link signals, sends the processed signal to a remote device through the E1 interface module 104, processes network service data in the plurality of E1 link signals, and sends the processed signal to a terminal device through the ethernet switching chip module 106 from the first optical interface module 101, so as to realize the extension of circuit services and network services. In addition, the first optical interface module 101 may also be connected to an IP packet transmission terminal, such as a router, through an optical fiber, and the received IP packet may be sent to the signal processing module 203 through the ethernet switch chip module 106, where the signal processing module 203 processes the IP packet according to a signal processing instruction, and sends the IP packet to the remote device through the E1 interface module 104.
In addition, the signal processing module 203 is further configured to process the signal input from the E1 interface module 104, so as to implement bidirectional communication.
It should be noted that, if the operation mode of the first optical interface module 101 is switched to the ethernet optical interface mode, the optical interface switching module 201 connects the high-speed serial electrical signal received from the first optical interface module 101 to the high-speed serial interface of the ethernet switching chip module 106; if the operation mode of the first optical interface module 101 is switched to the SDH optical interface module, the optical interface switching module 201 connects the high-speed serial electrical signal received from the first optical interface module 101 to the signal processing module 203.
In one embodiment, the control module 105 is a CPU, the first optical interface module 101 and the second optical interface module 102 are optical interfaces and physical layer chips, and the E1 interface module 104 includes 2E 1 interfaces and physical layer chips.
As a preferable scheme, the signal processing module comprises an SDH signal processing module and an E1 signal processing module;
the first optical interface module is connected with the SDH signal processing module through the optical interface switching module, the second optical interface module is connected with the SDH signal processing module, the SDH signal processing module is connected with the E1 signal processing module, the E1 signal processing module is respectively connected with the Ethernet switching chip module and the E1 interface module, and the control module is respectively connected with the SDH signal processing module and the E1 signal processing module through the configuration module;
the SDH signal processing module is used for framing/de-framing and multiplexing section switching processing on the SDH signals input from the first optical interface module and the second optical interface module, and converting the SDH signals into a plurality of E1 link signals;
the E1 signal processing module is used for unpacking/packaging the data packet of the network service using time slot in the E1 link signals, exchanging the time slot of the circuit service using time slot in the E1 link signals, and framing/deframeing the E1 link signals.
Referring to fig. 2, as a preferred solution, the SDH signal processing module at least includes a first framing/deframeing module, a second framing/deframeing module, a multiplexing section switching module, and an E1 link signal conversion module;
the first optical interface module is connected with the first framing/deframeing module through the optical interface switching module, the second optical interface module is connected with the second framing/deframeing module, the multiplexing section switching module is respectively connected with the first framing/deframeing module, the second framing/deframeing module and the E1 link signal conversion module, and the E1 link signal conversion module is connected with the E1 signal processing module.
In the embodiment of the invention, when the first framing/de-framing module and the second framing/de-framing module de-framing, the frame head mark is found according to the data of the high-speed serial electric signal, the starting position of the frame is determined, and when the frame is framed, the frame head mark is added at the starting position of the frame. The multiplexing section switching module selects a high-speed serial signal sent by an optical interface according to the signal processing instruction sent by the configuration module, and transmits the high-speed serial signal to the E1 link signal conversion module, and when the working mode of the first optical interface module is the Ethernet interface mode, the multiplexing section switching module can only select the high-speed serial signal sent by the second optical interface module, and transmits the high-speed serial signal to the E1 link signal conversion module. The E1 link signal conversion module is used for converting SDH signals into a plurality of E1 link signals.
In one implementation, the first optical interface module and the second optical interface module both meet the STM-1 standard, so that the E1 link signal conversion module solves the data flow of 63 2048kbit/s links, namely, the E1 link, through the link paths of STM-1→aug1→au-3→vc3→tug-2→tu-12→vc-12→c-12→2048kbit/s, and the link decomposition process is shown in fig. 3.
As a preferred scheme, the E1 signal processing module includes at least an IPOE transceiver module, an ethernet PHY module, a time slot exchange module, and an E1 link signal framing/deframer module;
the SDH signal processing module is connected between the IPOE transceiver module and the time slot switching module, the IPOE transceiver module is connected with the Ethernet switching chip module through the Ethernet PHY module, the time slot switching module is connected with the E1 link signal framing/deframer module, and the E1 link signal framing/deframer module is connected with the E1 interface module;
the IPOE transceiver module is configured to unpack a data packet of a network service usage slot in the multiple E1 link signals received from the SDH signal processing module, and send the unpack data packet to the Ethernet switch chip module through the Ethernet PHY module; the IP data packet received from the Ethernet exchange chip module is packaged, and the packaged IP data packet is sent to the E1 interface module in the form of using time slots by network service in E1 link signals;
the time slot exchange module is used for combining circuit service use time slots in a plurality of E1 link signals received from the SDH signal processing module to form a transmission frame of the E1 interface module; the received frames received from the E1 interface module are placed in circuit traffic usage slots of the plurality of E1 link signals.
In the embodiment of the invention, the E1 link decomposed from the SDH signal processing module is divided into 32 time slots, wherein part of the time slots are used for circuit service functions and part of the time slots are used for network service functions.
The IPOE transceiver module is used for buffering and unpacking the data packet of the network service using time slot in the multiple E1 link signals received from the SDH signal processing module, transmitting the data packet to the Ethernet exchange chip module through the Ethernet PHY module, and transmitting the data packet to the E1 interface module in the transmission direction after buffering and packing the IP data packet received from the Ethernet exchange chip module through the network service using time slot in the E1 link signals. It should be noted that, when the first optical interface module and the second optical interface module are both SDH optical interfaces, the network service function is disabled.
The Ethernet PHY module is used for transmitting the data packet sent by the IPOE transceiver module to the Ethernet switch chip module, the transmitted data packet accords with the MAC frame format requirement of IEEE 802.3, and is also used for transmitting the IP data packet sent by the Ethernet switch chip module to the IPOE transceiver module, and resolving the IP data packet in the MAC frame format into bare data.
The time slot exchange module combines the circuit service use time slots in the plurality of E1 link signals received from the SDH signal processing module according to the signal processing instruction sent by the configuration module in the sending direction to form a sending frame of the E1 interface module, for example, the E1 interface module comprises 2 uplink E1 interfaces, and then the time slot exchange module combines the circuit service use time slots in the plurality of E1 link signals received from the SDH signal processing module into a sending frame of 2E 1 links. In the receiving direction, according to the signal processing instruction sent by the configuration module, the received frame received from the E1 interface module is placed in the circuit service using time slots corresponding to a plurality of E1 link signals through the time slot switching matrix, and is buffered in the E1 link signal conversion module.
As a preferred solution, the control module is connected with the SDH signal processing module through the configuration module, specifically:
the control module is respectively connected with the multiplexing section switching module and the E1 link signal conversion module through the configuration module.
It should be noted that, the control module is connected with the multiplexing section switching module through the configuration module, and is configured to send a signal processing instruction to the multiplexing section switching module, so that the multiplexing section switching module decides which optical interface module sends the high-speed serial electrical signal, and sends the high-speed serial electrical signal to the E1 link signal conversion module. The control module is connected with the E1 link signal conversion module through the configuration module and is used for sending a signal processing instruction to the E1 link signal conversion module so that the E1 link signal conversion module can select a time slot in an E1 link for transmission according to the signal processing instruction.
As a preferred solution, the control module is connected with the E1 signal processing module through the configuration module, specifically:
the control module is connected with the time slot exchange module through the configuration module.
It should be noted that, the control module is connected with the timeslot switching module through the configuration module, and is configured to send a signal processing instruction to the timeslot switching module, so that the timeslot switching module selects a timeslot in the E1 link to transmit according to the signal processing instruction.
As a preferred scheme, the control module is further configured to detect whether alarm information exists in SDH signals input by the first optical interface module and the second optical interface module when the working mode of the first optical interface module is an SDH optical interface mode; when detecting that the SDH signal input by the first optical interface module or the second optical interface module has alarm information, sending an alarm instruction to the multiplexing section switching module so as to enable the multiplexing section switching module to switch the access signal and access the SDH signal input by the second optical interface module or the first optical interface module.
In the embodiment of the invention, because frames exist in SDH signals meeting STM-N standards, different alarm bits exist in the frames, a control module can judge whether alarm information exists in SDH signals input by a first optical interface module or a second optical interface module by detecting the different alarm bits, when detecting that the alarm information exists in the SDH signals input by the first optical interface module or the second optical interface module, the condition that one optical interface module fails is indicated to be switched to the other optical interface module, so that the control module sends an alarm instruction to a multiplexing section switching module so as to enable the multiplexing section switching module to switch an access signal and access the SDH signals input by the second optical interface module or the first optical interface module.
In summary, the communication device with the configurable optical interface working mode provided by the embodiment of the invention can switch the working modes of the optical interface according to different application scenes, can transmit circuit service data and network service data at the same time, realizes the extension of circuit service and network service, and improves the flexibility of functional configuration according to different application scenes. In addition, circuit traffic of a plurality of downlink E1 link signals can be concatenated into a transmission frame of the uplink E1 interface using time slots.
In order to better explain the beneficial effects of the communication device with the configurable optical interface working mode provided by the embodiment of the invention, the following description is made with reference to a part of application scenarios.
1. When the first optical interface module and the second optical interface module are both SDH optical interfaces:
(1) The first optical interface module and the second optical interface module operate as a 1+1 backup. When one of the optical interface modules fails, the control module detects the alarm information and controls the multiplexing section switching module to switch the access signal to access the SDH signal input by the other optical interface module. It should be noted that only circuit traffic, such as voice traffic, is implemented at this time, and no network traffic, such as ethernet traffic, is implemented.
The data flow of the circuit service is as follows: SDH equipment, a first optical interface module, an optical interface switching module, a first framing/de-framing module, a multiplexing section switching module, an E1 link signal conversion module, a time slot switching module, an E1 link signal framing/de-framing module, an E1 interface module and remote equipment.
(2) The first optical interface module and the second optical interface module work as a ring network mode. The first optical interface module meets STM-1 standard, receives 63 data of 2048kbit/s links, extracts the data of 2048kbit/s links corresponding to multiplexing in the equipment from the E1 link signal conversion module, inserts the data of 2048kbit/s links corresponding to demultiplexing into the data of 2048kbit/s links in the equipment, and then sends the data of 63 2048kbit/s links back to the second optical interface module to form a ring network function.
2. When the first optical interface module is an Ethernet optical interface and the second optical interface module is an SDH optical interface, the communication device provides circuit voice service and Ethernet network service at the same time.
The data flow of the circuit voice service is as follows: SDH equipment, a second optical interface module, a second framing/de-framing module, a multiplexing section switching module, an E1 link signal conversion module, a time slot exchange module, an E1 link signal framing/de-framing module, an E1 interface module and remote equipment.
The data flow of the Ethernet network service is: SDH equipment, a second optical interface module, a second framing/de-framing module, a multiplexing section switching module, an E1 link signal conversion module, an IPOE transceiver module, an Ethernet PHY module, an Ethernet exchange chip module, an optical interface switching module, a first optical interface module and terminal equipment.
A second aspect of the embodiments of the present invention provides a communication device capable of configuring an optical interface operation mode, including a communication apparatus capable of configuring an optical interface operation mode according to any of the embodiments of the first aspect.
It should be noted that, the technical effects achieved by the communication device with the configurable optical interface working mode provided by the embodiment of the present invention are the same as those achieved by the communication device with the configurable optical interface working mode described in the foregoing embodiment, and are not repeated here.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (9)
1. The communication device capable of configuring the working mode of the optical interface is characterized by comprising a first optical interface module, a second optical interface module, an FPGA logic module, an E1 interface module, a control module and an Ethernet exchange chip module, wherein the FPGA logic module comprises an optical interface switching module, a configuration module and a signal processing module;
the first optical interface module is respectively connected with the Ethernet switching chip module and the signal processing module through the optical interface switching module, the second optical interface module is connected with the signal processing module, the signal processing module is respectively connected with the Ethernet switching chip module and the E1 interface module, the control module is connected with the Ethernet switching chip module, and the control module is respectively connected with the optical interface switching module and the signal processing module through the configuration module;
the control module is used for sending an optical interface switching instruction to the optical interface switching module through the configuration module and sending a signal processing instruction to the signal processing module;
the optical interface switching module is used for switching the working mode of the first optical interface module according to the optical interface switching instruction; when the first optical interface module and the second optical interface module are SDH optical interfaces, the first optical interface module and the second optical interface module work in a 1+1 backup mode or in a ring network mode; when the first optical interface module is an Ethernet optical interface and the second optical interface module is an SDH optical interface, simultaneously providing circuit voice service and Ethernet network service;
the signal processing module is used for processing signals input from the first optical interface module, the second optical interface module and the E1 interface module according to the signal processing instruction so as to transmit circuit service data and network service data in the input signals;
the signal processing module comprises an SDH signal processing module and an E1 signal processing module;
the first optical interface module is connected with the SDH signal processing module through the optical interface switching module, the second optical interface module is connected with the SDH signal processing module, the SDH signal processing module is connected with the E1 signal processing module, the E1 signal processing module is respectively connected with the Ethernet switching chip module and the E1 interface module, and the control module is respectively connected with the SDH signal processing module and the E1 signal processing module through the configuration module;
the SDH signal processing module is used for framing/de-framing and multiplexing section switching processing on the SDH signals input from the first optical interface module and the second optical interface module, and converting the SDH signals into a plurality of E1 link signals;
the E1 signal processing module is used for unpacking/packaging the data packet of the network service using time slot in the E1 link signals, exchanging the time slot of the circuit service using time slot in the E1 link signals, and framing/deframeing the E1 link signals.
2. The communication device capable of configuring an optical interface operation mode according to claim 1, wherein the SDH signal processing module at least comprises a first framing/deframeing module, a second framing/deframeing module, a multiplexing section switching module, and an E1 link signal conversion module;
the first optical interface module is connected with the first framing/deframeing module through the optical interface switching module, the second optical interface module is connected with the second framing/deframeing module, the multiplexing section switching module is respectively connected with the first framing/deframeing module, the second framing/deframeing module and the E1 link signal conversion module, and the E1 link signal conversion module is connected with the E1 signal processing module.
3. The communication device of claim 2, wherein the E1 signal processing module comprises at least an IPOE transceiver module, an ethernet PHY module, a time slot switch module, and an E1 link signal framing/de-framing module;
the SDH signal processing module is connected between the IPOE transceiver module and the time slot switching module, the IPOE transceiver module is connected with the Ethernet switching chip module through the Ethernet PHY module, the time slot switching module is connected with the E1 link signal framing/deframer module, and the E1 link signal framing/deframer module is connected with the E1 interface module;
the IPOE transceiver module is configured to unpack a data packet of a network service usage slot in the multiple E1 link signals received from the SDH signal processing module, and send the unpack data packet to the Ethernet switch chip module through the Ethernet PHY module; the IP data packet received from the Ethernet exchange chip module is packaged, and the packaged IP data packet is sent to the E1 interface module in the form of using time slots by network service in E1 link signals;
the time slot exchange module is used for combining circuit service use time slots in a plurality of E1 link signals received from the SDH signal processing module to form a transmission frame of the E1 interface module; the received frames received from the E1 interface module are placed in circuit traffic usage slots of the plurality of E1 link signals.
4. A communication device capable of configuring an optical interface operation mode according to claim 3, wherein the control module is connected to the SDH signal processing module through the configuration module, specifically:
the control module is respectively connected with the multiplexing section switching module and the E1 link signal conversion module through the configuration module.
5. The communication device capable of configuring an optical interface working mode according to claim 4, wherein the control module is connected with the E1 signal processing module through the configuration module, specifically:
the control module is connected with the time slot exchange module through the configuration module.
6. The communication device of claim 5, wherein the operation modes of the first optical interface module include an SDH optical interface mode and an ethernet optical interface mode.
7. The communication device of claim 6, wherein the first optical interface module and the second optical interface module each comprise an SFP optical module for converting an optical signal sent by the SDH device through the optical fiber into a high-speed serial electrical signal.
8. The communication device capable of configuring an optical interface operation mode according to claim 7, wherein the control module is further configured to detect whether alarm information exists in SDH signals input by the first optical interface module and the second optical interface module when the operation mode of the first optical interface module is an SDH optical interface mode; when detecting that the SDH signal input by the first optical interface module or the second optical interface module has alarm information, sending an alarm instruction to the multiplexing section switching module so as to enable the multiplexing section switching module to switch the access signal and access the SDH signal input by the second optical interface module or the first optical interface module.
9. A communication device of the configurable optical interface mode of operation, comprising a communication apparatus of the configurable optical interface mode of operation as claimed in any one of claims 1 to 8.
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