CN201608733U - Cable modem - Google Patents
Cable modem Download PDFInfo
- Publication number
- CN201608733U CN201608733U CN2010201068494U CN201020106849U CN201608733U CN 201608733 U CN201608733 U CN 201608733U CN 2010201068494 U CN2010201068494 U CN 2010201068494U CN 201020106849 U CN201020106849 U CN 201020106849U CN 201608733 U CN201608733 U CN 201608733U
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- cable modem
- chip microcomputer
- display screen
- cpu
- network
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Abstract
The utility model discloses a cable modem. The cable modem comprises a CPU, a singlechip connected with the CPU and a display screen connected with the singlechip, wherein, the CPU transmits the current running information of a broadband network to the singlechip, and then the singlechip displays the received running information on the display screen. With the cable modem provided by the utility model, the current running information of the broadband network is acquired.
Description
Technical field
The utility model relates to the network communications technology, relate in particular to cable modem (CM, CableModem).
Background technology
Bilateral network development based on hybrid fiber/ coax, HFC (HFC, Hybrid Fiber-Coaxial) is more and more faster.Based on the bilateral network of HFC, just, on the cable TV network basis, realize broadband network with broadband access network function; During specific implementation, the cable passage of utilization cable TV network carries out the message transmission of broadband network.
End side based on the bilateral network of HFC, adopt cable modem (cable modem) to be connected with the cable passage of cable TV network, by this cable modem, can know the locking information of current broadband network, described locking information comprises the data transmit-receive situation after data feedback channel lock condition, down going channel lock condition and the passage locking.During by the cable passage transmit ascending data, network side needs earlier this cable passage to be locked as data feedback channel; After carrying out the data feedback channel locking, just can carry out transmitting uplink data by this cable passage.Similarly, during by the cable passage transmitting downlink data, network side needs earlier this cable passage to be locked as down going channel; After carrying out the down going channel locking, just can carry out downlink data transmission by this cable passage.
Below by structure shown in Figure 1 cable modem of the prior art is described, this cable modem comprises CPU, and the indicator unit that is connected with CPU, comprise gate-controlled switch on the indicator unit, also comprise and at least a in data feedback channel indicator light, down going channel indicator light and the data transmit-receive indicator light comprise simultaneously that with indicator unit data feedback channel indicator light, down going channel indicator light and data transmit-receive indicator light three are that example describes here.
Described CPU, obtain the data feedback channel lock condition of broadband network, data feedback channel is locked if broadband network is current, then the gate-controlled switch to indicator unit sends data feedback channel locking indication, the flicker of gate-controlled switch control data feedback channel indicator light, in this example, suppose that the data feedback channel indicator light is a shown in Fig. 1; CPU is known broadband network, and locking finishes to data feedback channel, and then the gate-controlled switch to indicator unit sends the locked indication of data feedback channel, and gate-controlled switch control data feedback channel indicator light a is shown as bright.CPU is connected with cable by the F head, is arranged on the end of cable as F is first.
Locking to the locking of down going channel and data feedback channel is similar, CPU obtains the down going channel lock condition of broadband network, down going channel is locked if broadband network is current, then the gate-controlled switch to indicator unit sends down going channel locking indication, the flicker of gate-controlled switch control down going channel indicator light, in this example, suppose that the down going channel indicator light is the b shown in Fig. 1; CPU is known broadband network, and locking finishes to down going channel, and then the gate-controlled switch to indicator unit sends the locked indication of down going channel, and gate-controlled switch control down going channel indicator light b is shown as bright.
After data feedback channel or down going channel locked, just can carry out transfer of data by this passage, CPU obtains when broadband network is current to carry out upstream data or downlink data transmission, gate-controlled switch transmission data to indicator unit are received indication, gate-controlled switch control data transmitting-receiving indicator light is shown as bright, in this example, tentation data transmitting-receiving indicator light is the c described in Fig. 1.
As seen, existing cable modem can only indicate in the broadband network lock condition to the cable passage.In practice, often need obtain the operation information of current broadband network, for example, and speed uplink, downstream rate and bandwidth that broadband network is current, however existing cable modem but can not satisfy this demand.
Summary of the invention
The utility model provides a kind of cable modem, can know the operation information that broadband network is current by this cable modem.
A kind of cable modem, this cable modem comprise CPU, the single-chip microcomputer that is connected with CPU, and the display screen that is connected with single-chip microcomputer;
The described CPU operation information that broadband network is current sends described single-chip microcomputer to; Described single-chip microcomputer shows the operation information that receives by described display screen.
From such scheme as can be seen, the utility model is provided with single-chip microcomputer and display screen in cable modem,, is shown on display screen the operation information that CPU obtains by single-chip microcomputer.Thereby, realized knowing the operation information that broadband network is current by this cable modem.
Description of drawings
Fig. 1 is the structural representation of cable modem in the prior art;
Fig. 2 is the structural representation of cable modem in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further described below in conjunction with embodiment and accompanying drawing.
The CPU that comprises in the existing cable modem can not only obtain data feedback channel lock condition and down going channel lock condition, can also obtain the current operation information of broadband network, as: the bandwidth that speed uplink, downstream rate and broadband network are current etc.; The utility model utilizes this point, the single-chip microcomputer that is connected with CPU is set in cable modem, and the display screen that is connected with single-chip microcomputer, single-chip microcomputer shows speed uplink and downstream rate by display screen after the speed uplink and downstream rate that receive the CPU transmission.Referring to Fig. 2, be the structural representation of the utility model cable modem.
Described CPU, speed uplink and downstream rate that broadband network is current send single-chip microcomputer to.Particularly, be connected by serial ports between CPU and the single-chip microcomputer, CPU sends the speed uplink that obtains and the concrete numerical value of downstream rate to single-chip microcomputer by this serial ports with the form of digital signal.CPU also is connected with cable by the F head, is arranged on the end of cable as F is first.
Described single-chip microcomputer receives speed uplink and downstream rate that CPU transmits, and speed uplink and downstream rate are presented on the display screen.Described single-chip microcomputer for example can adopt 51 series monolithics.Here, suppose display screen is divided into four zones, be respectively the U shown in Fig. 2, D, B and F, be used for showing respectively each operation information, for example, " U " on display screen shown in Figure 2 locates to show speed uplink, and " D " on display screen shown in Figure 2 locates to show downstream rate.
Described display screen can adopt Light-Emitting Diode (LED, Light-Emitting Diode) display screen, also can adopt LCDs.
When described display screen is LED display, be connected with multiple implementation between described LED display and the single-chip microcomputer, for example be: each LED of LED display is linked to each other with an I/O mouth of described single-chip microcomputer, just, what LED are arranged, will connect the I/O mouth of same number.Single-chip microcomputer can be controlled lighting of LED luminous tube easily, and resistance can be done the brightness that current limliting is regulated LED; Particularly, one of each LED of LED display is connected to an I/O mouth of single-chip microcomputer, and an other end connects power supply by resistance, and driving force is strong, after the data that single-chip microcomputer reception CPU collects, adopts the static latch mode, lights the LED dot matrix.
Single-chip microcomputer shows that by display screen a certain concrete numerical value is technology well known in the art, exceeds and gives unnecessary details here.
Further, the cable modem by the utility model provides can also show the bandwidth that broadband network is current.Particularly, CPU obtains the current bandwidth of broadband network, sends bandwidth to single-chip microcomputer, and single-chip microcomputer shows the bandwidth that receives by described display screen; Here, suppose that " B " on display screen shown in Figure 2 locates to show bandwidth.
Further, the operation information that shows by the utility model can also be current network state, and that supposes on display screen shown in Figure 2 " F " locates to show current network state.Like this, CPU speed uplink, downstream rate, bandwidth and the predefined bandwidth criteria value that broadband network is current is stored in respectively in four registers, when needs show current network state, from corresponding two registers, obtain bandwidth and bandwidth criteria value, compare through the comparator among the CPU, value is relatively exported to single-chip microcomputer by the I/O mouth between CPU and the single-chip microcomputer; In the time of relatively, whether the current bandwidth of the broadband network that comparator relatively obtains more than or equal to predefined bandwidth criteria value, if, then send network and well indicate to single-chip microcomputer, otherwise, the relatively poor indication of network sent to single-chip microcomputer.If the display screen of Fig. 2 is a LED display, then single-chip microcomputer by and CPU between the I/O mouth receive the value that CPU transmits, give LED display according to the value output varying level signal that receives, particularly, if the value that receives is that network is well indicated, display network good information on display screen then, if the value that receives is the relatively poor indication of network, the relatively poor information of display network on display screen then.
Described network good information be show on the display screen with the good corresponding given content of network, for example make " F " on the display screen shown in Figure 2 to locate shown in green; The relatively poor information of described network be show on the display screen with the relatively poor corresponding given content of network, for example make " F " on the display screen shown in Figure 2 to locate shown in red.Described given content can also adopt the literal of appointment or symbol to wait and represent except can representing with the color of appointment; For example, make " F " on the display screen shown in Figure 2 locate display text " good ", the expression current network is good, makes " F " on the display screen shown in Figure 2 locate display text " poor ", represents that current networking is relatively poor.Single-chip microcomputer is a technology well known in the art by information such as display screen Show Color, literal or symbols, does not give unnecessary details here.
Adopt the utility model, can know the concrete numerical value of current speed uplink of broadband network and downstream rate, speed uplink and downstream rate have been known, just know this cable passage is locked, and using this cable passage of locking to carry out data transmit-receive, just this passage is in the data transmit-receive state.Like this, the utility model not only can be represented up lock condition and descending lock condition, the concrete numerical value of speed uplink and downstream rate in the time of can also demonstrating the transmission of the laggard line data of locking; Further,, can also know operation informations such as bandwidth that broadband network is current and network state by the cable modem that the utility model provides, thereby, satisfied the demand in the practice.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; and be not used in and limit protection range of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. cable modem, this cable modem comprises CPU, it is characterized in that, this cable modem also comprises the single-chip microcomputer that is connected with CPU, and the display screen that is connected with single-chip microcomputer;
The described CPU operation information that broadband network is current sends described single-chip microcomputer to; Described single-chip microcomputer shows the operation information that receives by described display screen.
2. cable modem as claimed in claim 1 is characterized in that described single-chip microcomputer adopts 51 series monolithics.
3. cable modem as claimed in claim 2 is characterized in that, described CPU links to each other by serial ports with described single-chip microcomputer.
4. cable modem as claimed in claim 1 is characterized in that, described display screen is LED display screen or LCDs.
5. cable modem as claimed in claim 4 is characterized in that, when described display screen was LED display, each light-emitting diode on the described LED display linked to each other with an I/O mouth of described single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201068494U CN201608733U (en) | 2010-01-27 | 2010-01-27 | Cable modem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201068494U CN201608733U (en) | 2010-01-27 | 2010-01-27 | Cable modem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608733U true CN201608733U (en) | 2010-10-13 |
Family
ID=42953433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201068494U Expired - Fee Related CN201608733U (en) | 2010-01-27 | 2010-01-27 | Cable modem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201608733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337889A (en) * | 2015-12-08 | 2016-02-17 | 太仓市同维电子有限公司 | Method for checking flow direction of Ethernet port of Ethernet switch through indicator lights |
-
2010
- 2010-01-27 CN CN2010201068494U patent/CN201608733U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337889A (en) * | 2015-12-08 | 2016-02-17 | 太仓市同维电子有限公司 | Method for checking flow direction of Ethernet port of Ethernet switch through indicator lights |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20150127 |
|
| EXPY | Termination of patent right or utility model |