CN101778141B - Frequency conversion network device and frequency conversion network wiring method - Google Patents
Frequency conversion network device and frequency conversion network wiring method Download PDFInfo
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- CN101778141B CN101778141B CN 200910002396 CN200910002396A CN101778141B CN 101778141 B CN101778141 B CN 101778141B CN 200910002396 CN200910002396 CN 200910002396 CN 200910002396 A CN200910002396 A CN 200910002396A CN 101778141 B CN101778141 B CN 101778141B
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Abstract
The invention relates to a frequency conversion network device and a frequency conversion network wiring method. The frequency conversion network wiring method comprises the steps of: supposing the local network device to provide a plurality of local communication protocols to a remote-end network device, wherein the local communication protocol comprises at least one local standard communication protocol and at least one local frequency conversion communication protocol; receiving the at least one remote-end communication protocol provided by the remote-end network device to generate an indication signal based on the at least one remote-end communication protocol and the local communication protocol; enabling the local network device to operate based on a standard clock when the indication signal corresponds to a standard mode and enabling the local network device to operate according to a frequency conversion clock when the indication signal corresponds to a frequency conversion mode.
Description
Technical field
The invention relates to a kind of network connectivity apparatus and method, refer to especially a kind of frequency conversion network wiring apparatus and method.
Background technology
Generally speaking, the existing second too line speed of network (Ethernet) is all take ten times as unit, such as: per second ten million (10Mbps), per second 100,000,000 (100Mbps), per second kilomegabits (1Gbps), per second 10,000,000,000 (10Gbps) etc., described line speed all by second too the network standard specifications defined.So the general networking device basically must meet above-mentioned line speed one of them, could too network and another far-end network apparatus carry out line by second.
But, when described network equipment in fact when being connected to a main frame, the data transmission interface (host interface) that its line speed can be subject to main frame limits, the transmission speed of the data transmission interface between reason network equipment and main frame can just not equal the line speed of network equipment, for example: the transmission speed of the pci interface on computer main frame panel has 133Mbps, 166Mbps, the transmission speed of PCI-E interface is two-way 2.5Gbps and 5Gbps, and USB is 480Mbps.Therefore, because the line speed of network equipment is different from the transmission speed of data transmission interface, if the line speed of network equipment is 1Gbps, and data transmission interface, for example the transmission speed of pci interface is 133Mbps, and line speed will be limited by data transmission interface; Anti-, if the line speed of network equipment is 2Gbps, and data transmission interface, for example the transmission speed of PCI-E interface is 2.5Gbps, data transmission interface can be subject to the line speed of network equipment, and causes the not good situation of service efficiency.
Summary of the invention
Therefore, purpose of the present invention, namely provide a kind of outside standard line speed raising frequency or frequency conversion network method of attachment and the device of frequency reducing line speed.
So frequency conversion network device of the present invention comprises: a physical layer circuit, a medium access controller, a host interface controller and a variable frequency clock generator.
The physical layer circuit is carried out grouping via a network port and is transmitted and the physical layer circuit that receives, it comprises: a communications protocol switched circuit, it provides a plurality of local communication agreements to give a far-end network apparatus, and receives one or more remote communication agreements that this far-end network apparatus provides; And a line speed control circuit, it couples this communications protocol switched circuit, reaches an agreement on to produce an indicating signal with the agreement of foundation remote communication and local communication, uses the line speed that determines frequency conversion network device.
Medium access controller produces according to numerical data and divides into groups to export this physical layer circuit to, and is used for producing numerical data according to the grouping of physical layer circuit.
Host interface controller is coupled to the data that a host interface is exported with the receiving media access controller, and it is uploaded to a main frame via host interface, and via host interface by the main frame downloading data after, export these data to medium access controller.
The aforementioned indicating signal of variable frequency clock generator foundation is to operate on a mode standard or a variable mode, and provide respectively a standard time clock and a variable frequency clock to give physical layer circuit, medium access controller and host interface controller under these two kinds of patterns, to operate clock as it.
Frequency conversion network device of the present invention can be a network interface circuit, far-end network apparatus can be a network interface circuit or a multiport network device, such as being the network equipments such as hub (Hub), the network switch (Switch), gateway (Gateway) or router (Router).
The variable frequency clock generator can be a Frequency Adjustable clock generator, or utilizes a plurality of single clock generators of different single clocks that provide respectively to realize.
In addition, be the purpose that realizes that network connectivity speed is identical or approximate with the interface transmission rate that couples interface, the communications protocol switched circuit is according to the interface transmission rate of host interface, and the standard supported of frequency conversion network device itself and frequency conversion line speed decide and provides which kind of ddc communication agreement to give far-end network apparatus.
And in another embodiment of the present invention, the line speed that the communications protocol switched circuit also can be not only be supported according to frequency conversion network device itself according to the transmission rate of host interface and provide communications protocol to give network connectivity object far-end line object.
For example, frequency conversion network device of the present invention is to promote flow (throughput) under paying the utmost attention to, and the communications protocol switched circuit provides the standard communications protocol of corresponding standard line speed and the raising frequency communications protocol of corresponding raising frequency line speed to give far-end network apparatus; With power saving or extend transmitting range under paying the utmost attention to, the communications protocol switched circuit provides the standard communications protocol of corresponding standard line speed and the frequency reducing communications protocol of corresponding frequency reducing line speed to give far-end network apparatus; Carrying out line with mode standard under paying the utmost attention to, the communications protocol switched circuit only provides the standard communications protocol of corresponding standard line speed to give far-end network apparatus.
In addition, far-end network apparatus of the present invention is including but not limited to following several operation situations: (1) far-end network apparatus only provides the standard communications protocol of corresponding standard line speed, and the ddc communication agreement can't be provided; (2) far-end network apparatus provides the standard communications protocol of corresponding standard line speed and/or the raising frequency communications protocol of corresponding raising frequency line speed, but the frequency reducing communications protocol of corresponding frequency reducing line speed can't be provided; (3) far-end network apparatus provides the standard communications protocol of corresponding standard line speed and/or the frequency reducing communications protocol of corresponding frequency reducing line speed, but the raising frequency communications protocol of corresponding raising frequency line speed can't be provided; And (4) far-end network apparatus possibility operation situation is as frequency conversion network device.
In addition, follow different line rules to select different communications protocols for avoiding frequency conversion network device and far-end network apparatus, both sides can exchange one or more line rules of each self-supporting in the lump when the exchange communications protocol, so that both sides adopt same line rule.
Therefore, frequency conversion network wiring method of the present invention can comprise the following step:
Step S1: make a local network devices provide a plurality of local communication agreements to give a far-end network apparatus, these a plurality of local communication agreements comprise a plurality of standard communications protocols and the agreement of a plurality of ddc communication;
Substep S1-1: make local network devices provide a line rule to give far-end network apparatus.
Step S2: make local network devices receive one or more remote communication agreements that far-end network apparatus provides, these one or more remote communication agreements comprise at least one standard communications protocol;
Substep S2-1: make local network devices receive the line rule of far-end network apparatus;
Step S3: produce an indicating signal according to local communication agreement and the remote communication agreement that receives;
Step S4: judge the corresponding mode standard of this indicating signal or a variable mode;
Step S5: when judgment result is that the corresponding variable mode of indicating signal, provide a variable frequency clock to give local network devices, make local network devices according to this variable frequency clock running; And
Step S6: when judgment result is that the corresponding mode standard of indicating signal, provide a standard time clock to give local network devices, make local network devices according to this standard time clock running.
Wherein substep S1-1 and S2-1 can be omitted in another embodiment.
Description of drawings
Fig. 1 is a circuit diagram, and the circuit block diagram of a preferred embodiment of frequency conversion network device of the present invention is described;
Fig. 2 is a circuit diagram, and the thin section circuit box of the physical layer circuit of the present embodiment is described; And
Fig. 3 is a flow chart, and a preferred embodiment of frequency conversion network wiring method of the present invention is described.
The reference numeral explanation
1 frequency conversion network device
2 network ports
3 network connectivity objects
4 host interface
5 main frames
11 physical layer circuit
12 medium access controllers
13 host interface controllers
14 variable frequency clock generators
110 communications protocol switched circuits
111 transceivers
112 change-over circuits
113 Media Independent Interface
114 Media Independent Interface controllers
115 line speed control circuits
S1～S6, S1-1, S2-1 step
100,200,300 network equipments
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description below in conjunction with two preferred embodiments of reference accompanying drawing, can clearly present.
see also Fig. 1, it is a preferred embodiment schematic diagram of frequency conversion network device of the present invention, and as shown in the figure, frequency conversion network device 1 comprises: a physical layer circuit (Physical Layer Circuit, be called for short PHY) 11, be used for carrying out via the network port 2 transmission and the reception of grouping, physical layer circuit 11 comprises a communications protocol switched circuit 110, being used to provide a plurality of local communication agreements gives a far-end network apparatus 3 and is used for receiving one or more remote communication agreements that this far-end network apparatus 3 provides, the agreement of described local communication comprises the standard communications protocol of one or more corresponding standard line speed and ddc communication agreement (the frequency reducing communications protocol of the raising frequency communications protocol of corresponding raising frequency line speed or corresponding frequency reducing line speed) that at least one pair of answers frequency conversion line speed, and described remote communication agreement comprises the standard communications protocol of one or more corresponding standard line speed at least, one line speed control circuit 115, it is to be contained in physical layer circuit 11 in the present embodiment, but also can be independent of outside this physical layer circuit 11, this line speed control circuit 115 couples this communications protocol switched circuit 110, be used for reaching an agreement on to produce an indicating signal according to remote communication agreement and local communication, use the line speed that determines frequency conversion network device 1, one medium access controller (Media Access Controller, be called for short MAC) 12, be used for producing according to numerical data and divide into groups to export this physical layer circuit to, and be used for producing numerical data according to the grouping of physical layer circuit, one host interface controller 13, be coupled to a host interface 4 (for example PCI Express interface, pci interface, USB interface, pcmcia interface, IEEE 1394 interfaces or ISA interface), be used for data that receiving media access controller 12 exports and it is uploaded to a main frame 5 via host interface 4, and via host interface 4 by main frame 5 downloading datas after, export these data to medium access controller 12, an and variable frequency clock generator 14, be used for according to aforementioned indicating signal to operate on a mode standard or a variable mode (a raising frequency pattern or a frequency reducing pattern), and provide respectively a standard time clock and a variable frequency clock (a raising frequency clock or a frequency reducing clock) to give physical layer circuit 11, medium access controller 12 and host interface controller 13 under these two kinds of patterns, to operate clock as it.
Note that aforementioned lifting/lowering frequently pattern be the lifting/lowering version (overclocking/downclocking version) frequently of a mode standard, and this lifting/lowering frequently pattern the corresponding signal coding form of mode standard essence is identical therewith.For instance, when lifting/lowering frequency pattern is the pattern of line speed 120Mbps/80Mbps, corresponding mode standard is the pattern of line speed 100Mbps, this moment this lifting/lowering frequently pattern therewith the corresponding signal coding form of mode standard be Multi-Level Transition (MLT-3) coded format; Again when lifting/lowering frequency pattern is the pattern of line speed 12.5Mbps/8Mbps, corresponding mode standard is the pattern of line speed 10Mbps, this moment this lifting/lowering frequently pattern therewith the corresponding signal coding form of mode standard be the Manchester coded format.
In previous embodiment, mode standard refers to one of them of pattern of the pattern of pattern, 1Gbps of pattern, the 100Mbps of line speed 10Mbps and 10Gbps.Standard line speed is the line speed during the ieee standard standards such as 10Mbps, 100Mbps, 1Gbps and 10Gbps (IEEE Standard, for example IEEE802.3Standard) are planned or planned.Standard time clock refers to 3 common corresponding running clocks of standard line speed of supporting of frequency conversion network device 1 and far-end network apparatus, and for example working as standard line speed is 1Gbps, and standard time clock is 125MHz.The raising frequency clock refers to two network equipments 1, the 3 common corresponding running clocks of raising frequency line speed of supporting, for example when raising frequency line speed be 1.2Gbps, that is the raising frequency ratio is 120%, the raising frequency clock is 125Mhz*120%=150MHz.The frequency reducing clock refers to two network equipments 1, the 3 common corresponding running clocks of frequency reducing line speed of supporting, for example when frequency reducing line speed is 0.8Gbps, that is the frequency reducing ratio is when being 80%, and this frequency reducing clock is 125MHz*80%=100MHz.
In addition, the frequency conversion network device 1 of the present embodiment is a network interface circuit (Network InterfaceCircuit), 3 of far-end network apparatus are a network interface circuit or a multiport network device (multi-ports network device), such as being the network equipments such as hub (Hub), the network switch (Switch), gateway (Gateway) or router (Router), so this is not limitation of the present invention.Can be a Frequency Adjustable clock generator as for variable frequency clock generator 14, be for example one to have the phase-locked loop and can utilize different frequency elimination numerical value to produce the clock generator of different clocks, variable frequency clock generator 14 also can utilize a plurality of single clock generators of different single clocks that provide respectively to realize.separately please note, when far-end network apparatus 3 is an application multiport network device of the present invention, each port all has a corresponding physical layer circuit, so each port may share same medium access device or use medium access device separately, this multiport network device still can comprise a processing unit (for example central processing unit), be used for processing the data that the medium access device is exported, in addition, because different port may be operated in different line speed, therefore the clock generator of multiport network device need possess provides different clocks (standard time clock or variable frequency clock) to give the ability of different port, the enforcement of this clock generator can be with reference to the explanation of above-mentioned variable frequency clock generator 14.
moreover, the present embodiment is the purpose that realizes that network connectivity speed is identical or approximate with the interface transmission rate that couples interface, the standard that communications protocol switched circuit 110 itself is supported according to the interface transmission rate of host interface 4 and frequency conversion network device 1 and frequency conversion line speed decide and provide which kind of ddc communication agreement to give far-end network apparatus 3, for instance, when host interface 4 is pci interface, the interface transmission rate is 133Mbps, and frequency conversion network device 1 is supported 10Mbps, 100Mbps, 125Mbps, when the standard such as 1Gbps and 1.25Gbps and frequency conversion line speed, due to interface transmission rate 133Mbps and frequency conversion line speed 125Mbps the most approaching, therefore communications protocol switched circuit 110 provides the ddc communication agreement of corresponding 125Mbps frequency conversion line speed to give far-end network apparatus 3, communications protocol switched circuit 110 also provides the communications protocol of corresponding standard line speed to give far-end network apparatus 3, in case far-end network apparatus 3 is not supported the ddc communication agreement.In another embodiment of the present invention, communications protocol switched circuit 110 also can only not provide communications protocol to give far-end network apparatus 3 according to the line speed of supporting of frequency conversion network device 1 own according to the transmission rate of host interface 4, yet this embodiment may need larger buffer space to come temporal data with differing greatly in response to network connectivity speed and interface transmission rate.
See also Fig. 2, it is the schematic diagram of an embodiment of aforementioned physical layer circuit 11.As shown in Figure 2, physical layer circuit 11 comprises: a transceiver (Transceiver) 111 is used for carrying out transmission and the reception of grouping; One change-over circuit 112, being used for the packet switched that medium access controller 12 is exported is suitable signal being sent to network, and will be converted to from the signal that network receives the grouping that medium access controller 12 can further be processed; One Media Independent Interface (Media Independent Interface; Be called for short MII) 113, be used as the communication interface of physical layer circuit 11 and medium access controller 12; One Media Independent Interface controller 114 is in order to control this Media Independent Interface 113; And aforementioned communications protocol switched circuit 110, be used for and aforementioned distal network equipment 3 exchanges communications protocol each other.Can be with reference to the standard criterion of IEEE or U.S. RE 39,116 explanation with 39, No. 405 patents of RE about the communications protocol exchanged form, the content of described prior art is the energy reference understanding of those skilled in the art institute.In addition, aforementioned transceiver 111, change-over circuit 112, Media Independent Interface 113 and Media Independent Interface controller 114 all are able to existing techniques in realizing, do not repeat them here.
See also Fig. 1, frequency conversion network device 1 is including but not limited to following several operation situations:
(1) to promote flow (throughput) under pay the utmost attention to: the communications protocol switched circuit 110 of frequency conversion network device 1 provides the standard communications protocol of corresponding standard line speed and the raising frequency communications protocol of corresponding raising frequency line speed to give far-end network apparatus 3;
(2) take power saving or extend transmitting range under pay the utmost attention to: the communications protocol switched circuit 110 of frequency conversion network device 1 provides the standard communications protocol of corresponding standard line speed and the frequency reducing communications protocol of corresponding frequency reducing line speed to give far-end network apparatus 3; And
(3) carrying out line take mode standard under pay the utmost attention to: the communications protocol switched circuit 110 of frequency conversion network device 1 only provides the standard communications protocol of corresponding standard line speed to give far-end network apparatus 3.
In the present embodiment, aforementioned various paying the utmost attention to is to be determined by main frame 5.Main frame 5 can decide and inform which kind of frequency conversion network device 1 adopts pay the utmost attention to by the driver of carrying out frequency conversion network device 1.In addition, if far-end network apparatus 3 is one to comprise the multiport network device of processing unit (for example central processing unit), processing unit can be used to determine and informs which kind of far-end network apparatus 3 adopts pay the utmost attention to.In another embodiment of the present invention, frequency conversion network device 1 is decided employing in its sole discretion according to the computing of a firmware of loaded running and/or a logical circuit (not being shown in diagram), and which kind of is paid the utmost attention to.
In addition, far-end network apparatus 3 is including but not limited to following several operation situations:
(1) far-end network apparatus 3 is the legacy network device, and the standard communications protocol of corresponding standard line speed only is provided, and the ddc communication agreement can't be provided;
(2) far-end network apparatus 3 is supported the network equipment of raising frequency line speed for the present invention, therefore the standard communications protocol of corresponding standard line speed and/or the raising frequency communications protocol of corresponding raising frequency line speed are provided, but the frequency reducing communications protocol of corresponding frequency reducing line speed can't be provided;
(3) far-end network apparatus 3 is supported the network equipment of frequency reducing line speed for the present invention, therefore the standard communications protocol of corresponding standard line speed and/or the frequency reducing communications protocol of corresponding frequency reducing line speed are provided, but the raising frequency communications protocol of corresponding raising frequency line speed can't be provided; And
(4) far-end network apparatus 3 is supported the network equipment of raising frequency and frequency reducing line speed for the present invention, and possible operation situation is as frequency conversion network device 1.
As mentioned above, frequency conversion network device 1 respectively has multiple possible operation situation with far-end network apparatus 3, so both can be combined into many kinds of lines possibilities.Yet both sides can decide according to identical line rule and adopt which kind of communications protocol in order to set up line.The line rule can be stored in frequency conversion network device 1 and far-end network apparatus 3 or when starting (power-on) and is written into or instantly immediately be provided in demand by other source (a for example main frame) by other source (a for example main frame).The line rule including but not limited to following several rules at least one of them:
(1) first line rule: the communications protocol of the highest corresponding line speed in frequency conversion network device 1 and one or more communications protocols that far-end network apparatus 3 is all selected jointly to provide each other.This highest line speed can be standard line speed or frequency conversion line speed.for instance, if frequency conversion network device 1 provides corresponding 1.25Gbps, 1.2Gbps, 1Gbps, 125Mbps, the communications protocol of the line such as 100Mbps and 10Mbps speed gives far-end network apparatus 3, far-end network apparatus 3 provides corresponding 1.5Gbps, 1.2Gbps, 1Gbps, the communications protocol of the line such as 100Mbps and 10Mbps speed gives frequency conversion network device 1, the common corresponding line speed of communications protocol of supporting of both sides is 1.2Gbps, 1Gbps, 100Mbps and 10Mbps, in the middle of be up to 1.2Gbps, therefore both sides select 1.2Gbps conduct line speed each other under this first line rule,
(2) second lines rules: the communications protocol of corresponding minimum line speed in frequency conversion network device 1 and one or more communications protocols that far-end network apparatus 3 is all selected jointly to provide each other.This minimum line speed can be standard line speed or frequency conversion line speed.for instance, if frequency conversion network device 1 provides corresponding 1Gbps, 800Mbps, 100Mbps, the communications protocol of the line such as 80Mbps and 10Mbps speed gives far-end network apparatus 3, far-end network apparatus 3 provides corresponding 1Gbps, 800Mbps, the communications protocol of the line such as 100Mbps and 80Mbps speed gives frequency conversion network device 1, the common corresponding line speed of communications protocol of supporting of both sides is 1Gbps, 800Mbps, 100Mbps and 80Mbps, central the lowest is 80Mbps, therefore both sides select 80Mbps conduct line speed each other under this second line rule, and
(3) the 3rd line rules: frequency conversion network device 1 is all sequentially selected a common communications protocol of supporting each other according to same default priority with far-end network apparatus 3.for instance, when this default priority is 1.25Gbps＞1.2Gbps＞1.5Gbps＞1Gbps＞0.8Gbps＞125Mbps＞100Mbps＞80Mbps＞10Mbps, if frequency conversion network device 1 provides corresponding 1.5Gbps, 1.2Gbps, 1Gbps, 125Mbps, the communications protocol of the line such as 100Mbps and 10Mbps speed gives far-end network apparatus 3, far-end network apparatus 3 provides corresponding 1.5Gbps, 1.2Gbps, 1Gbps, the communications protocol of the line such as 100Mbps and 10Mbps speed gives frequency conversion network device 1, the common corresponding line speed of communications protocol of supporting of both sides is 1.5Gbps, 1.2Gbps, 1Gbps, 100Mbps and 10Mbps, central priority soprano is 1.2Gbps, therefore both sides select 1.2Gbps conduct line speed each other under this default priority standard.In addition, default priority is except can just deciding according to line speed, and the factor that also can understand consideration according to power consumption degree or other the art personage of line speed decides.
as mentioned above, when frequency conversion network device 1 and far-end network apparatus 3 determine a line speed (standard line speed or frequency conversion line speed) according to the line rule after, line speed control circuit 115 namely can provide an indicating signal to give variable frequency clock generator 14 according to this line speed, and variable frequency clock generator 14 can provide a clock (standard time clock or variable frequency clock) to give physical layer circuit 11 according to the corresponding pattern of this indicating signal (mode standard or variable mode) again, medium access controller 12, host interface controller 13 etc., make by this frequency conversion network device 1 operate on this line speed according to this clock.Note that the corresponding different mode of different indicating signals can utilize different signals powers or different signal logical values to represent.
In addition, under the line rule is multiple situation, follow different line rules to select different communications protocols for avoiding frequency conversion network device 1 and far-end network apparatus 3, both sides are when the exchange communications protocol, can exchange in the lump one or more line rule of each self-supporting, so that both sides adopt same line rule.In the present embodiment, this line rule is to be contained in the signal that is loaded with communications protocol, so this non-limitation of the present invention.
See also Fig. 3, it is the flow chart of an embodiment of frequency conversion network wiring method of the present invention.As shown in Figure 3, the present embodiment comprises the following step:
Step S1: make a local network devices (for example frequency conversion network device 1 of Fig. 1) provide a plurality of local communication agreements to give a far-end network apparatus (for example far-end network apparatus 3 of Fig. 1), these a plurality of local communication agreements comprise a plurality of standard communications protocols and the agreement of a plurality of ddc communication.The related description of standard communications protocol and ddc communication agreement please refer to before described;
Substep S1-1: make local network devices provide a line rule to give far-end network apparatus.The related description of line rule please refer to before described.In addition, this step can be omitted in another embodiment;
Step S2: make local network devices receive one or more remote communication agreements that far-end network apparatus provides, these one or more remote communication agreements comprise at least one standard communications protocol;
Substep S2-1: make local network devices receive the line rule of far-end network apparatus.In addition, this step can be omitted in another embodiment;
Step S3: produce an indicating signal according to local communication agreement and the remote communication agreement that receives.The related description of indicating signal please refer to before described;
Step S4: judge that this indicating signal is a corresponding mode standard or a variable mode.The related description of mode standard and variable mode please refer to before described;
Step S5: when judgment result is that the corresponding variable mode of indicating signal, provide a variable frequency clock to give local network devices, make local network devices according to this variable frequency clock running.The related description of variable frequency clock please refer to before described; And
Step S6: when judgment result is that the corresponding mode standard of indicating signal, provide a standard time clock to give local network devices, make local network devices according to this standard time clock running.Explanation about standard time clock please refer to before described.
The above is only preferred embodiment of the present invention, and when not limiting scope of the invention process with this, i.e. all simple equivalences of doing according to claim of the present invention and invention description content change and modify, and all still remain within the scope of the patent.
Claims (18)
1. a frequency conversion network device, be used for forming line via a grid line and a far-end network apparatus, and this frequency conversion network device comprises:
One physical layer circuit is used for transmitting grouping to this far-end network apparatus and receives the grouping that this far-end network apparatus sends, and this physical layer circuit comprises:
One communications protocol switched circuit, be used to provide a plurality of local communication agreements and give this far-end network apparatus, and be used for receiving at least one remote communication agreement that this far-end network apparatus provides, wherein said local communication agreement comprises at least one local standard communications protocol and at least one local ddc communication agreement, and this at least one remote communication agreement comprises at least one far-end standard communications protocol; And
One line speed control circuit couples this communications protocol switched circuit, be used for according to from the agreement of described local communication and should at least one common support line speed of at least one remote communication agreement correspondence the line speed that determines, produce an indicating signal;
One variable frequency clock generator, couple this line speed control circuit, be used for when the corresponding mode standard of this indicating signal, provide a standard time clock to give this physical layer circuit, make this frequency conversion network device according to this standard time clock running, and be used for providing a variable frequency clock to give this physical layer circuit when the corresponding variable mode of this indicating signal, make this frequency conversion network device according to this variable frequency clock running;
Wherein this mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern or 10Gbps pattern, and this variable mode is the pattern beyond 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern.
2. device as claimed in claim 1, wherein this variable mode is a raising frequency pattern, this variable frequency clock is a raising frequency clock, this raising frequency pattern is the raising frequency version of one first mode standard, this raising frequency pattern is identical with the corresponding signal coding form of this first mode standard, and this first mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern one of them.
3. device as claimed in claim 1, wherein this variable mode is a frequency reducing pattern, this variable frequency clock is a frequency reducing clock, this frequency reducing pattern is the frequency reducing version of one second mode standard, this frequency reducing pattern is identical with the corresponding signal coding form of this second mode standard, and this second mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern one of them.
4. device as claimed in claim 1, it further comprises:
One medium access controller couples this physical layer circuit, is used to provide grouping to this physical layer circuit and receives the grouping that this physical layer circuit is exported; And
One host interface controller, be coupled to a host interface, be used for receiving the data that this medium access controller exports and these data are uploaded to a main frame via this host interface, and being used for via this host interface exporting these data to this medium access controller after this main frame downloading data;
Wherein this at least one local ddc communication agreement is relevant to the interface transmission rate of this host interface.
5. device as claimed in claim 1, wherein this communications protocol switched circuit provides one or more line rules to give this far-end network apparatus, this line speed control circuit produces this indicating signal according to determining this line speed based on these one or more line rules from least one common support line speed of this at least one remote communication agreement and described local communication agreement correspondence.
6. a frequency conversion network wiring method, be used for making a local network devices and a far-end network apparatus to form line, and the method comprises:
Provide a plurality of local communication agreements to give this far-end network apparatus, described local communication agreement comprises at least one local standard communications protocol and at least one local ddc communication agreement, and wherein this at least one local standard communications protocol is corresponding 10Mbps pattern, 100Mbps pattern, 1Gbps pattern or 10Gbps pattern;
Receive at least one remote communication agreement that this far-end network apparatus provides, this at least one remote communication agreement comprises at least one far-end standard communications protocol, and this at least one far-end standard communications protocol is corresponding 10Mbps pattern, 100Mbps pattern, 1Gbps pattern or 10Gbps pattern;
A line speed according to determining from least one common support line speed of this at least one remote communication agreement and described local communication agreement correspondence produces an indicating signal;
When the corresponding mode standard of this indicating signal, provide a standard time clock to give this local network devices, make this local network devices according to this standard time clock running, wherein this mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern or 10Gbps pattern; And
When the corresponding variable mode of this indicating signal, provide a variable frequency clock to give this local network devices, make this local network devices according to this variable frequency clock running, wherein this variable mode is the pattern beyond 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern.
7. method as claimed in claim 6, wherein this variable mode is a raising frequency pattern, this variable frequency clock is a raising frequency clock, this raising frequency pattern is the raising frequency version of one first mode standard, this raising frequency pattern is identical with the corresponding signal coding form of this first mode standard, and this first mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern one of them.
8. method as claimed in claim 6, wherein this variable mode is a frequency reducing pattern, this variable frequency clock is a frequency reducing clock, this frequency reducing pattern is the frequency reducing version of one second mode standard, this frequency reducing pattern is identical with the corresponding signal coding form of this second mode standard, and this second mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern one of them.
9. method as claimed in claim 6, it further comprises:
Receive and process the data that this far-end network apparatus sends and these data are uploaded to a main frame via a host interface;
Wherein this at least one local ddc communication agreement is relevant to the interface transmission rate of this host interface.
10. method as claimed in claim 6, it further comprises:
Provide one or more line rules to give this far-end network apparatus, and this indicating signal produces, and step is these one or more lines rules of foundation, this at least one remote communication is reached an agreement on and the agreement of described local communication produces this indicating signal.
11. a frequency conversion network device is used for forming line via a grid line and a far-end network apparatus, this frequency conversion network device comprises:
One physical layer circuit is used for transmitting grouping to this far-end network apparatus and receives the grouping that this far-end network apparatus sends, and this physical layer circuit comprises:
One communications protocol switched circuit is used for considering lower execution different operating in difference, and described operation comprises:
When this frequency conversion network device to promote flow for paying the utmost attention to, this communications protocol switched circuit provides at least one local standard communications protocol and at least one raising frequency communications protocol to give this far-end network apparatus, and receive at least one remote communication agreement of this far-end network apparatus, wherein the corresponding line speed of this raising frequency communications protocol is greater than the corresponding line speed of this at least one local standard communications protocol; And
When this frequency conversion network device to carry out line for paying the utmost attention under a standard line speed, this communications protocol switched circuit only provides this at least one local standard communications protocol to give this far-end network apparatus, and receive this at least one remote communication agreement, wherein this standard line speed is 10Mbps, 100Mbps, 1Gbps or 10Gbps; And
One line speed control circuit, couple this communications protocol switched circuit, be used for the line speed that determines according to the communications protocol that provides from this communications protocol switched circuit and should at least one remote communication agreement corresponding at least one common support line speed, generation one indicating signal; And
One variable frequency clock generator, couple this line speed control circuit, be used for when the corresponding mode standard of this indicating signal, provide a standard time clock to give this physical layer circuit, make this frequency conversion network device according to this standard time clock running, and be used for providing a raising frequency clock to give this physical layer circuit when the corresponding raising frequency pattern of this indicating signal, make this frequency conversion network device according to this raising frequency clock running;
Wherein this mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern or 10Gbps pattern, and this raising frequency pattern is the pattern beyond 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern.
12. device as claimed in claim 11, wherein this raising frequency pattern is the raising frequency version of one first mode standard, this raising frequency pattern is identical with the corresponding signal coding form of this first mode standard essence, and this first mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern one of them.
13. device as claimed in claim 11, wherein said operation further comprises:
When this frequency conversion network device with power saving or increase transmission range for paying the utmost attention to, this communications protocol switched circuit provides this at least one local standard communications protocol and at least one frequency reducing communications protocol to give this far-end network apparatus, and receive this at least one remote communication agreement, wherein the corresponding line speed of this frequency reducing communications protocol is less than the corresponding line speed of this at least one local standard communications protocol;
Wherein when the corresponding frequency reducing pattern of this indicating signal, this variable frequency clock generator provides a frequency reducing clock to give this physical layer circuit, makes this frequency conversion network device according to this frequency reducing clock running.
14. device as claimed in claim 13, wherein this frequency reducing pattern is the frequency reducing version of one second mode standard, this frequency reducing pattern is identical with the corresponding signal coding form of this second mode standard, and this second mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern one of them.
15. device as claimed in claim 11, it further comprises:
One medium access controller couples this physical layer circuit, is used to provide grouping to this physical layer circuit and receives the grouping that this physical layer circuit is exported; And
One host interface controller, be coupled to a host interface, be used for receiving the data that this medium access controller exports and these data are uploaded to a main frame via this host interface, and being used for via this host interface exporting these data to this medium access controller after this main frame downloading data;
Wherein this at least one raising frequency communications protocol is relevant to the interface transmission rate of this host interface.
16. a frequency conversion network device is used for forming line via a grid line and a far-end network apparatus, this frequency conversion network device comprises:
One physical layer circuit is used for transmitting grouping to this far-end network apparatus and receives the grouping that this far-end network apparatus sends, and this physical layer circuit comprises:
One communications protocol switched circuit is used for considering lower execution different operating in difference, and described operation comprises:
When this frequency conversion network device with power saving or increase transmission range for paying the utmost attention to, this communications protocol switched circuit provides at least one local standard communications protocol and at least one frequency reducing communications protocol to give this far-end network apparatus, and receive at least one remote communication agreement of this far-end network apparatus, wherein the corresponding line speed of this frequency reducing communications protocol is less than the corresponding line speed of this at least one local standard communications protocol; And
When this frequency conversion network device to carry out line for paying the utmost attention under a standard line speed, this communications protocol switched circuit only provides this at least one local standard communications protocol to give this far-end network apparatus, and receive this at least one remote communication agreement, wherein this standard line speed is 10Mbps, 100Mbps, 1Gbps or 10Gbps; And
One line speed control circuit, couple this communications protocol switched circuit, the line speed that determines at least one common support line speed corresponding to the communications protocol that provides according to this communications protocol switched circuit and this at least one remote communication agreement is provided, produces an indicating signal; And
One variable frequency clock generator, couple this line speed control circuit, be used for when the corresponding mode standard of this indicating signal, provide a standard time clock to give this physical layer circuit, make this frequency conversion network device according to this standard time clock running, and be used for providing a frequency reducing clock to give this physical layer circuit when the corresponding frequency reducing pattern of this indicating signal, make this frequency conversion network device according to this frequency reducing clock running;
Wherein this mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern or 10Gbps pattern, and this frequency reducing pattern is the pattern beyond 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern.
17. device as claimed in claim 16, wherein this frequency reducing pattern is the frequency reducing version of one second mode standard, this frequency reducing pattern is identical with the corresponding signal coding form of this second mode standard, and this second mode standard is 10Mbps pattern, 100Mbps pattern, 1Gbps pattern and 10Gbps pattern one of them.
18. device as claimed in claim 16, it further comprises:
One medium access controller couples this physical layer circuit, is used to provide grouping to this physical layer circuit and receives the grouping that this physical layer circuit is exported; And
One host interface controller, be coupled to a host interface, be used for receiving the data that this medium access controller exports and these data are uploaded to a main frame via this host interface, and being used for via this host interface exporting these data to this medium access controller after this main frame downloading data;
Wherein this at least one frequency reducing communications protocol is relevant to the interface transmission rate of this host interface.
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| CN 200910002396 CN101778141B (en) | 2009-01-12 | 2009-01-12 | Frequency conversion network device and frequency conversion network wiring method |
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| CN 200910002396 CN101778141B (en) | 2009-01-12 | 2009-01-12 | Frequency conversion network device and frequency conversion network wiring method |
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| CN1984414A (en) * | 2005-11-16 | 2007-06-20 | 美国博通公司 | Multimode communication device and method of receiving multiple radio frequency signal therein |
| TW200841612A (en) * | 2007-04-11 | 2008-10-16 | Realtek Semiconductor Corp | Integrated digital broadcasting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1984414A (en) * | 2005-11-16 | 2007-06-20 | 美国博通公司 | Multimode communication device and method of receiving multiple radio frequency signal therein |
| TW200841612A (en) * | 2007-04-11 | 2008-10-16 | Realtek Semiconductor Corp | Integrated digital broadcasting system |
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