CN2671265Y

CN2671265Y - Digital distributing frames

Info

Publication number: CN2671265Y
Application number: CN 200320131481
Authority: CN
Inventors: 赵爱军
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2003-12-10
Filing date: 2003-12-10
Publication date: 2005-01-12
Anticipated expiration: 2013-12-10

Abstract

The utility model discloses digital distributing frames, which apply to the signal distributing and switching of a communication equipment room and comprise at least one distributing sub-frame module and a cross connection unit on the distributing sub-frame module. The cross connection unit comprises at least one group of multiple 1-out-of-N relays; at least one access port of each 1-out-of-N relay is parallel connected with the access ports of the other 1-out-of-N relays; the 1-out-of-N relays are then electrically connected with a single chip and select connectable relays by means of the single chip, selectively connecting the output terminals with the input terminals on the distributing sub-frame module. The parallel-connected input ports are electrically connected with the terminals on one side of the distributing sub-frame module. The single terminal of the 1-out-of-N relay is electrically connected with the corresponding terminal on the other side of the distributing sub-frame module. The utility model can conduct the cross and loopback control operations on the cross connection unit in the DDF frame, easy to operate with low error rate.

Description

A kind of digital distribution frame

Technical field

The utility model relates to a kind of digital distribution frame, relate in particular to a kind ofly realize can intersecting arbitrarily between the terminal of both sides by improving the internal chiasma syndeton, the digital distribution frame of loopback.

Background technology

Existing DDF frame (Digital Distribution Frame) is a digital distribution frame, be to be used between the digital multiplex equipment that transmission code rate is 2～155Mbit/s or to carry out the distribution and the switching of digital signal between digital multiplex equipment and the programme-controlled exchange, generally have functions such as circuit adjustment, switching and test, can realize the needs of circuit line transfer and business change easily and flexibly.

Digital distribution frame is one of requisite corollary equipment in digital transmission system and the programme-controlled exchange.The manufacturer of DDF frame is usually only to electric property, relatively pay close attention to as ambient temperature, relative humidity, atmospheric pressure, characteristic impedance, operating rate, withstand voltage, insulation resistance, return loss, crosstalk ratio, intervention attenuation, contact resistance, pulling-out force, life-span etc., and for considering seldom the ease for use aspect, and usually design improvement all concentrates on hardware aspects such as sub-frame flip designs, outward appearance opening, does not but also have correlation technique for the Long-distance Control use aspect of DDF.

And existing DDF frame technology only satisfies the linkage function of DDF, electric signal (being generally digital signal) between can interconnecting device, as shown in Figure 1, expressed the position of DDF frame in communication network, it is arranged between the plural communication equipment, is used for carrying out distribution and switching to the multiway transmission signal passage between two communication equipments.

Existing DDF frame generally comprises several DDF frame modules, be fixed with splicing ear on the DDF frame, couple together in twos by wire jumper between the terminal, shown in Figure 1A and Figure 1B, DDF support body 110 is provided with a plurality of DDF framves 111, correspondence was many to DDF terminal 112 about this DDF frame was provided with, be respectively arranged with corresponding going out cable or advance cable on each side DDF terminal 112, advancing cable and going out cable of DDF frame is relatively-stationary, connecting two terminals with internal jumper 113 can be communicated with two cables, thereby the electric signal 114 of connecting its carrying circulates between the terminal of connecting.

But existing DDF frame can not be accepted computer remote control, owing to rely on internal jumper 113 to connect between the terminal of DDF frame, if therefore wish to connect any two terminals, must prolong this internal jumper 113, and must rely on manual operation to connect; Along with the arbitrariness of connecting two terminals strengthens, especially when adjusting the conducting connection, it is complicated that the internal jumper jumper connection will more become, and therefore manual wire jumper must bring the degree of difficulty and the complexity of jumper connection operation, thereby brings the waste of operating time and the increase of operate miss rate.

Summary of the invention

The purpose of this utility model is to provide a kind of digital distribution frame, it utilizes a Single-chip Controlling and a plurality of multiselects one relay that connects and the relay of selecting conducting, thereby be implemented in and in the sub-frame module of each distribution in this digital distribution frame any two ports carried out intelligent cross-cross skip connection function, this jumper connection can be realized this Single-chip Controlling by program control of this single-chip microcomputer own or extraneous computer.

The technical solution of the utility model is:

A kind of digital distribution frame, be used for signal wiring and switching between communication apparatus, it comprises the sub-frame module of at least one distribution, wherein, described digital distribution frame also comprises a cross-connection unit, be positioned on the sub-frame module of this distribution, the two-port of described cross-connection unit is electrically connected with both sides terminal on the sub-frame module of described distribution respectively, selects lead-out terminal on the sub-frame module of this distribution and the conducting between the input terminal.

Described digital distribution frame, wherein, described cross-connection unit comprises one group of multiselect one switch element at least, at least one access interface of these a plurality of multiselect one switch elements connects together, and be electrically connected with a processor, but by the switch element of this processor selection conducting, described access interface is electrically connected with a side terminal on the sub-frame module of described distribution, and the single end of described multiselect one switch element is electrically connected with opposite side corresponding terminal on the sub-frame module of described distribution.Described digital distribution frame, wherein, described switch element is a relay.

Described digital distribution frame, wherein, described processor is a single-chip microcomputer, described single-chip microcomputer links to each other with far-end computer by communication line.

Described digital distribution frame, wherein, described cross-connection unit comprises two groups of a plurality of multiselect one relays, the corresponding access port of a plurality of multiselects one relay of each group connects together respectively, and all be electrically connected with described single-chip microcomputer, but select the relay of conducting by this single-chip microcomputer, thereby select lead-out terminal on the sub-frame module of this distribution and the conducting between the input terminal.

Described digital distribution frame, wherein, described cross-connection unit also comprises the two switches of putting of at least one hilted broadsword, the fixed end of described switch links to each other with the single output of a terminal, in addition two not the fixed end be the output and the input of the opposite end of described terminal, be used to connect the homonymy input/output terminal of the sub-frame module of described distribution, to realize selectively unidirectional loopback.

Described digital distribution frame, wherein, described cross-connection unit is provided with all in both sides that hilted broadsword is two puts switch, connects this side input/output terminal of the sub-frame module of described distribution respectively, to realize selectively two-way loopback.

Described digital distribution frame, wherein, described hilted broadsword is two, and to put switch be a relay element, by its different conducting directions of described Single-chip Controlling.

Described digital distribution frame, wherein, described switch element is the single-chip microcomputer of reverse-blocking tetrode thyristor element or the integrated circuit switch element or the switching function of programming.

A kind of Intelligent Digital distributing frame that the utility model provides, when paying close attention to electric property, can also use extraneous computer the single-chip microcomputer of coupled DDF frame to be carried out Long-distance Control by communication channel, owing to possess interleaving function between this DDF frame end, by and a plurality of multiselects one relay or its like that connect accept under the control of this single-chip microcomputer, can be with any one port on the described DDF frame, the transposition circuit of the cross-connection unit by being arranged on DDF frame inside, under local side and Long-distance Control, can be connected to other any one ports, thereby make electronic signal between the cable that is connected on this DDF frame two end terminals intersect connection arbitrarily; Equally also can be local or long-range receiving and transmitting signal on this DDF frame is carried out the loopback operation.The utility model device has been saved the wire jumper setting under the wire jumper connected mode, and complexity and fussy degree hand-manipulated when having save manual wire jumper and connecting, thereby greatly reduces manual error rate.

Description of drawings

In the accompanying drawing,

Fig. 1 is provided with schematic diagram for the system configuration of the digital distribution frame of prior art;

Figure 1A and Figure 1B then are the manual wire jumper schematic diagram of the digital distribution frame of prior art, and shown in the figure is the manual wire jumper connected mode of simplest degree;

Fig. 2 is the product function principle schematic of digital distribution frame of the present utility model;

The circuit theory diagrams of two set of pieces in the preferred embodiment that is respectively digital distribution frame of the present utility model shown in Fig. 3 A and Fig. 3 B;

Fig. 4 is the circuit theory diagrams of second preferred embodiment of digital distribution frame of the present utility model;

Figure 5 shows that the circuit theory diagrams of another preferred embodiment of digital distribution frame of the present utility model.

Embodiment

Below in conjunction with accompanying drawing, will make the technical solution of the utility model and beneficial effect thereof apparent by detailed description to preferred embodiment of the present utility model.

A kind of digital distribution frame of the present utility model, its employed key technology comprises: 1, can carry out local and remote control to the DDF frame, mcu programming is passed through in this locality, long-range by the communication of outer computer to this single-chip microcomputer, by these kinds control, can finish the conducting between a series of control different ports; 2, this DDF frame comprises several DDF frame modules, possesses interleaving function between the terminal of this DDF frame module, can be with any one port on this DDF frame module, by being arranged on the transposition circuit of this DDF frame module inside, under local terminal and Long-distance Control, can be connected to other any one ports, thereby the electronic signal between the cable that is connected electrically on this DDF frame two end terminals is connected; Equally also can be local or long-range receiving and transmitting signal on this DDF frame is carried out the loopback operation.

Show as Fig. 2, principle of work and power schematic diagram for a kind of digital distribution frame of the present utility model, it comprises the sub-frame module 210 of at least one distribution, and the connected mode of sub-frame module 210 each terminal of this distribution and extraneous cable is same as the prior art, generally is divided into both sides, promptly advance side and go out side, every side all has a plurality of binding posts 220, and promptly port all is connected with cable on these binding posts, and according to the side signal transmission of cable to, every side institute wiring cable all can be divided into the inlet wire cable and go out cable.

Then be provided with a cross-connection unit 230 in the inside of the sub-frame module 210 of distribution of the present utility model, this cross-connection unit 230 is a circuit unit in fact, can realize the interleaving function of signal by monolithic processor controlled this cross-connection unit 230, promptly pass through this DDF frame to another binding post of opposite side, move towards 240 signal paths that identify as signal among Fig. 2 from the some binding posts 220 of a side.

Digital distribution frame of the present utility model, can also realize selectively loopback operating function, be after signal enters from the some binding posts of a side, from other a certain binding posts of homonymy, to return, move towards 250 signal paths that identify as loopback signal among Fig. 2.

Shown in Fig. 3 A and Fig. 3 B, be respectively a specific embodiment of cross-connection unit 230 described in the utility model, wherein adopted one group or two groups 10 ten to select relay J I1～JI10 of one respectively, JO1～JO10, its circuit theory is identical in fact, all be that access interface (multiselect end) with these relays connects together, be electrically connected with described single-chip microcomputer then, this single-chip microcomputer by this single-chip microcomputer or outer computer control carries out the relay that logic need to select conducting, thereby realization uni-directional cross, the i.e. conducting direction of multiselect one.As shown in Fig. 3 A, described cross-connection unit 230 comprises one group of multiselect one switch element, be relay J I1～JI10, first access interface of these a plurality of multiselect one switch elements connects together and is connected on the side terminal DIN-IN1, second access interface connects together and is connected on the side terminal DIN-IN2, form input terminal DIN-IN1～IN10 successively, these input terminals promptly can be that described single-chip microcomputer is electrically connected with a processor all, but switch element by this processor selection conducting, the single end of described multiselect one switch element JI1～JI10 is electrically connected DIN-OUT1～OUT10 as shown in FIG. with opposite side corresponding terminal on the sub-frame module of described distribution.In the embodiment shown in Fig. 3 A, if first terminal DIN-IN1 desire of input is by the tenth lead-out terminal DIN-OUT10 cross-conduction, then utilize local control of this single-chip microcomputer or the described single-chip microcomputer of outer computer Communication Control to make the DIN-IN1 end DIN-OUT single conducting of the tenth relay J I10, and the interface to should DIN-IN1 of other relays all turn-off and get final product with it.Can realize that so signal as shown in Figure 2 moves towards 240 signal path.Shown in Fig. 3 B is the connection situation that end, its principle be identical shown in Fig. 3 A, do not repeat them here.

As shown in Figure 4, it then is another preferred embodiment of the present utility model, two kinds of devices in conjunction with above-mentioned Fig. 3 A and Fig. 3 B, use two groups every group 10 ten to select a relay, form lead-out terminal and input terminal that cross-connection unit connects both sides respectively, the multiselect end of every group relay connects together, be electrically connected with described single-chip microcomputer, by the conducting between this Single-chip Controlling selection both sides terminal, the lead-out terminal of every like this side or input terminal can be realized by any conducting to some other corresponding terminals.

Above-mentioned corresponding terminal refers to such an extent that be, because every side terminal all has lead-out terminal and input terminal, therefore, it is identical that this every group relay connects the both sides terminal, it all is input terminal, all be lead-out terminal, for example the input terminal IN1～IN10 of a side is connected by a group relay with the input terminal IN1～IN10 of opposite side, and the lead-out terminal OUT1～OUT10 of a side is connected by another group relay with the lead-out terminal OUT1～OUT10 of opposite side.

For realizing that signal as shown in Figure 2 moves towards 250 loop fuction, it is the signal transmission feature that signal returns from a certain lead-out terminal of homonymy in a certain input terminal input of homonymy back, a kind of digital distribution frame of the present utility model as shown in Figure 4, also be provided with the two K switch 1～K10 that put of a hilted broadsword between adjacent lead-out terminal and input terminal in appointing of homonymy, respectively the fixed end of this switch links to each other with the single output of a terminal, in addition two not the fixed end be the output and the input of the opposite end of described terminal, be used to connect this homonymy input/output terminal of the sub-frame module of described distribution, to realize selectively unidirectional loopback, as shown in Figure 4, when a certain input terminal input signal of downside, as importing among the downside IN2, as need loopback from downside lead-out terminal OUT10, then at first select the input terminal of opposite side by the conducting of described certain relay of Single-chip Controlling, as be conducting to upside input terminal IN1 by the JN1 relay, then by the two K switch 1 conducting upside lead-out terminal OUT1 that put of described hilted broadsword, at this moment, by correspondence the tenth port conducting of the relay J O1 in the group relay of control output end in addition of described single-chip microcomputer, thereby connect downside lead-out terminal OUT10, signal has just selectively carried out loopback arbitrarily between downside input and output terminal like this.

Equally, in order to realize two-way loop fuction, hilted broadsword is two puts switch with regard to being provided with between the adjacent input and output terminal in appointing of both sides respectively, just can carry out the loopback conducting operation of signal at upside or downside respectively arbitrarily like this.

Digital distribution frame of the present utility model, though what all be to use in the foregoing description ten selects a relay, and use two groups simultaneously, but when finishing the part interleaving function, available relay can be selected other multiselect one relay for use, as shown in Figure 5, a plurality of alternative relays have promptly been selected for use, one of them input port of these alternative relays connects together, be connected on some input terminal DIN-IN P, can control the conducting of any input terminal of this input terminal and other side by a single-chip microcomputer, each alternative relay non-also connects input port and then can not select interleaving function.

Should be pointed out that in the digital distribution frame of the present utility model that above-mentioned hilted broadsword is two, and to put switch also be to realize by a remote controlled switch element is set, and can adopt relay to put switch as this hilted broadsword is two, and be controlled by described single-chip microcomputer.In fact, the used relay of the utility model also is a kind of switch element, removes this, and a kind of digital distribution frame of the present utility model can also use controllable silicon, integrated circuit or directly realize with the single-chip microcomputer formation switching function of programming.

A kind of digital distribution frame of the present utility model, just because of having adopted the above-mentioned different conducting demands that can satisfy signal by monolithic processor controlled switch element, thereby this DDF frame possesses intelligent remote controlled function, can be by outer computer through communication channel logarithm kilometer even tens of, the outer DDF of several hundred kilometers controls, communication channel can be that computer network also can be other links, as long as can satisfy the signal intercommunication demand of computer and DDF frame, therefore the signaling switch of the utility model product is easy to adjust, can realize the intersection or the loopback of unlike signal path by the telecomputing machine operation, simple, simple to operate, fault rate is low.

Be understandable that; above-mentioned description to specific embodiment of the utility model only is explanation realizability of the present utility model and non-obvious creativeness thereof; illustrate too concrete; for those of ordinary skills; can make being equal to of other according to the technical solution of the utility model and replace or change, and all these replacements or change all should belong to the protection range of the utility model claims.

Claims

1, a kind of digital distribution frame, be used for signal wiring and switching between communication apparatus, it comprises the sub-frame module of at least one distribution, it is characterized in that, described digital distribution frame also comprises a cross-connection unit, be positioned on the sub-frame module of this distribution, two ports of described cross-connection unit are electrically connected with both sides terminal on the sub-frame module of described distribution respectively, select lead-out terminal on the sub-frame module of this distribution and the conducting between the input terminal.

2, digital distribution frame according to claim 1, it is characterized in that, described cross-connection unit comprises one group of multiselect one switch element at least, at least one access interface of these a plurality of multiselect one switch elements connects together, and be electrically connected with a processor, but switch element by this processor selection conducting, described access interface is electrically connected with a side terminal on the sub-frame module of described distribution, and the single end of described multiselect one switch element is electrically connected with opposite side corresponding terminal on the sub-frame module of described distribution.

3, digital distribution frame according to claim 2 is characterized in that, described switch element is a relay.

4, digital distribution frame according to claim 2 is characterized in that, described processor is a single-chip microcomputer, and described single-chip microcomputer links to each other with far-end computer by communication line.

5, digital distribution frame according to claim 3, it is characterized in that, described cross-connection unit comprises two groups of a plurality of multiselect one relays, the corresponding access port of a plurality of multiselects one relay of each group connects together respectively, and all be electrically connected with described single-chip microcomputer, but select the relay of conducting by this single-chip microcomputer, thereby select lead-out terminal on the sub-frame module of this distribution and the conducting between the input terminal.

6, according to claim 3 or 5 described digital distribution frame, it is characterized in that, described cross-connection unit also comprises the two switches of putting of at least one hilted broadsword, the fixed end of described switch links to each other with the single output of a terminal, in addition two not the fixed end be the output and the input of the opposite end of described terminal, be used to connect the homonymy input/output terminal of the sub-frame module of described distribution, to realize selectively unidirectional loopback.

7, digital distribution frame according to claim 6 is characterized in that, described cross-connection unit is provided with all in both sides that hilted broadsword is two puts switch, connects this side input/output terminal of the sub-frame module of described distribution respectively, to realize selectively two-way loopback.

8, digital distribution frame according to claim 7 is characterized in that, described hilted broadsword is two, and to put switch be a relay element, by its different conducting directions of described Single-chip Controlling.

According to the described digital distribution frame of any claim of claim 1～2, it is characterized in that 9, described switch element is the single-chip microcomputer of reverse-blocking tetrode thyristor element or the integrated circuit switch element or the switching function of programming.