DE2251403A1 - PROGRAMMABLE APPARATUS FOR ROUTE DISPLAY - Google Patents

Description

DR. MÜLLER-BORG DIPL-PKYS. YOU. MANITZ DiPu.-CHEM. DR. DEUFEL DIPL.-ING. FINSTERWALD DIPL.-ING. GRÄMKOW

PATENT LAWYERS 2 2 5 1 A 0

t8. OKI. C 2628

COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS

CIT-ALCATEL

12, rue de la Baume

Paris, France

Programmable apparatus for route display

The invention relates to a programmable apparatus for Route display, especially for telecommunications and primarily for automatic telephony and Telegraphic for sure.

The aim of the invention is to carry out an evaluation of the subscriber numbers or line _{numbers that are recorded by a numbering receiver 8} and has the aim, depending on the recorded numbers, to designate the trunk group which is the structure of the

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Dr. Müller-Bor * Dr. Manltz · Or. Deufal · Dipl.-lng. Fintterwald Dipl.-Ing. Gramkov Braunschweig, Am Bürgerpark B 8 Mönchen 22, Robert-Koch-Strasse 1 7 Stuttgart-Bad Cannetatt, MarktatreBe Telephone (0831) 73687 Telephone (0811) 293845, Telex 5-82053 mbpat "Telephone (0711) 587281 Bank: Central File Bayer. Volksbanken, Munich, account number M22 PocUcheck: Munich 95486

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Connections enabled.

Devices are already known which, after evaluating the numbering, make it possible to designate the routes which telecommunications traffic has to use. Such devices, referred to in telephony as "converters" and in telegraphy as "routing indicators ¹¹ , are implemented in the electromechanical centers as devices with wired programs an in-depth study of the circuits and tedious desoldering and re-soldering of the lines of the wiring are required, during which time these devices cannot be used for the switching activity.

The apparatus according to the invention is characterized in that at least one matrix of two different Arranged levels vertical or horizontal electrical conductors is provided on their Crossing axes can be connected to one another by plug-in conductor or semiconductor elements so that the Programming with these means "on demand" can be done immediately without changing the wiring the internal components of the apparatus is required.

The invention can further include at least one of the following Have features:

The apparatus contains a set of matrices for digit evaluation and a trunk group identification matrix and the matrices can be removed with a "diode carrier" connector

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provided diodes, the evaluation matrices connected to the designation matrix by AND gates are·

The electronic part of the apparatus is in two groups different elements, which are in connection with the matrices, one group consisting of AND gates and the other consists of transistor amplifier circuits.

The number of evaluation matrices is at least equal to the number in the part of the numbering to be evaluated contained digits, each of these matrices of a known type arranged vertically in a common plane having extending conductors and arranged in another plane horizontally extending conductors and wherein each of ten ladders of the same evaluation matrix has a certain number, but of the same weight, characterized in decimal notation.

The horizontal ladder of the same value point of each evaluation matrix are connected to the assigned input of an AND element assigned to this value point, and the output of this element is connected to a horizontal conductor of the determination matrix in such a way that if the arrival of a numbering the temporary marking of a vertical conductor per evaluation matrix caused, and if these markings are directed to the inputs of the AND gate, this latter can mark the said horizontal conductor of the designation matrix in order to identify the bundle of lines that are suitable for handling the connection. Each evaluation matrix is an additional

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licher vertical ladder assigned to which a permanent Marking is provided in such a way that the markings of the digits with for at the inputs of the AND gates the evaluation of the numbering can be substituted for digit weight that is not required.

The trunk group determination matrix has two analogs Groups of vertical lines, one of which bundles the normal route bundles and the other bundles the detour bundles is assigned, whereby two vertical conductors of the same value place of these groups through a resistor (RD) to each other are connected.

Each vertical conductor of the normal bundle determination matrix is connected to the base of a transistor of the same value via a resistor (RN), while the collector of this transistor is connected to a control circuit and the emitters of these transistors are common are connected to a resistor (RE), the end of which is opposite to the polarity of the marking Polarity is so that the marking of a vertical conductor of the matrix determination for the normal bundle the unlocking of the transistor brings about the corresponding value point, which is the designation of a normal routing bundle approved·

A marking of the same kind originating from an AND element can be conducted simultaneously to a vertical conductor of each of the two groups of the bundle determination matrix if the conductors mentioned are not of the same value, in that, because the emitter circuits (RE) of the transistors match, the voltage value ' in the base circles of the transistors is different, depending on whether you are dealing with a normal bundle or a

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Diversion bundle has to do with only the marking of the
named conductor of the group "normal conductor" causes the release of the associated transistor.

Since the occupancy of all lines of a normal bundle is realized by a blocking polarity, which is at the base
of the transistor appears whose value point corresponds to the bundle mentioned, that of the value point of the
The transistor assigned to Umleübündels is conductive and designates the said bundle.

An additional transistor for monitoring the blocking of bundles (TEF) is called the transistors
the normal and diversion bundle added and the emitter or collector connections of this transistor are connected to the emitter resistor (RE) or a control circuit (AEF, RSE) like the other transistors, whereby the
The base of the additional transistor is connected to voltage
since the evaluation of the numbering, so that this transistor is only conductive and signals the lock,
if a blocking command either the designation transistor of a normal bundle to which no diversion bundle is attached, or the designation transistor of a normal bundle and
influences the transistor of the diversion bundle attached to the normal bundle.

One advantage of the apparatus of the invention is that
to see that it has an electronic part for route designation, by means of which the apparatus can be carried out in a compact manner and with a reduced space requirement.

Further advantages and features of the invention result from the following detailed description of the structure

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and the operation of an embodiment of the invention on the basis of the drawings showing the following:

1 shows the scheme of a matrix for numbering evaluation, provided with diode carrier connectors;

FIG. 2 shows the programmed front of the matrix j shown schematically in FIG

3 and 4 show the apparatus according to the invention;

5 and 6 an example of variants for use in evaluation matrices or transistor control circuits;

7 shows a possible embodiment of the programming front of the apparatus according to the invention.

A die for numbering evaluation, e.g. MAt (Matrize to evaluate the fourth digit) according to Fig, I, has vertical conductors 1, 2, 3 ... 0 and CI, which in a are arranged on a certain level and initially correspond to the digits 1 to 0, which are attached to the in decimal notation named ladders are marked, as well as, with regard to CI, an indifferent number. The zero is in the last position Sequence of digits arranged because it is so common in numbering in telecommunications where the zero ten pulses is equivalent to. Said matrix also has horizontally extending conductors Hl, H2, H3, ... Hn, which in a are arranged from the first different level.

The connection between a vertical conductor (e.g. 2)

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and a horizontal conductor (e.g. H3) can be made more known by inserting a "diode carrier" connector (fpd) One part of which touches the vertical conductor and the other part the horizontal conductor, the connection between the two parts being made by a diode D provided on the plug.

One can connect one and the same vertical Create a conductor (e.g. 7) with several horizontal conductors (e.g. Hl, H3) by connecting diode carrier plugs (cf. fpd in Fig. 2) "attaches to each intersection axis in question (cf. a and b in Fig. 1). The diode carrier plugs inserted into the die (filled circles in FIG. 2) represent the Connection of their diode with the conductors (see. Fig. 1).

In a corresponding way it is possible to connect a certain horizontally running conductor (e.g. H3) with several vertical conductors (2, 3, 4, 7), as indicated in FIGS. 1 and 2.

Finally, the vertical head becomes CI (indifferent Digit) always connected with a plus polarity. This Ladder is always used when the numbering contains a digit, the weight of which is used for the evaluation is not required.

The apparatus according to the invention has so many evaluation element arrays on what is the maximum number of groups of digits that can be used in a given numbering is to be evaluated.

The part of the apparatus shown in Fig. 3 enables the evaluation of four groups of digits by the Ma-

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trizen MAl to MAH, in this figure are those at the The diodes provided for the matrices are connected to the diode carrier plugs symbolized by arrows.

The vertical conductors marked with decimal digits are connected to a numbering receiver ORN, which is indicated by dashed lines because it is not part of the component the invention is

The horizontal conductors Hl of each of the evaluation matrices MAl ₁ MA2, MA3 »MAI are led to inputs IEA, IEB, IEC, IED of a first AND element ETl assigned to them. The horizontal conductors H2 of each of the evaluation matrices MA1 to MAU are led to inputs 2EA to 2ED of a second AND element ET2 assigned to them. The horizontal conductors Hn of each of the analysis matrices MAl to MAI are guided to inputs nEA to nED of an η-th AND element ETn assigned to them. The outputs Sl, S2, Sn of the AND elements ETl, ET2, ... ETn are associated with lines Ll, L2, ... Ln with the horizontal conductors Hl-F, H2-F, ... Hn-F connected to the matrix MDF given in Fig. t to denote the bundle. This matrix has two groups of vertical conductors F1, F2, F3, .. · Fm, of which each conductor represents a line bundle, the first group FN belonging to the normal bundles and the second group FD belonging to the diversion bundles.

The connection between horizontal and vertical conductors is made by plugging in the diode carrier Diodes, as already for the digit evaluation matrices described.

Each end Nl, N2, N3, ... Nm of the first group more vertical

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The conductor is connected to the base of an assigned transistor Tl, T2, T3, ... Tm via a resistor RN. The ends Nl-Dl, N2-D2, N3-D3, ... Nm-Dm are each connected to one another by resistors RD. The base each transistor Tl, T2, T3, ... Tm is connected to an associated resistor RBl, RB2, RB3, ... RBm, whose end is due to positive polarity. The collector circuit each transistor contains an amplifier that controls a relay. Thus, the collector of the transistor Tl is on an amplifier Al out, which controls a relay RFl, which allows the designation of a bundle by assigning a polarity to a wire via its contact efl DFl there.

The emitter of each transistor Tl to Tm is connected to a common circuit point P which, on the one hand, is connected to positive polarity via a resistor RE and, on the other hand, is connected to the emitter of a transistor TEF. The collector circuit of the transistor TEF contains an amplifier AEF ₉ which controls a relay RSE. If the relay is energized, there is polarity on a DEF wire via its contact rse. The base circuit of the transistor TEF is formed by a voltage divider, which contains resistors RB and RK, which have a common point Q at the base of the transistor TEF, while the resistor RB borders on positive polarity and the resistor RK borders on negative polarity via a contact approx a feed relay not shown in the drawing can be connected.

The bases of the transistors Tl, T2, T3, ... Tm are also each connected to a point OFl, 0F2, 0F3, ... OFm, by a line occupancy detector (DOF) - because not part of the invention, only dashed

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indicated - tension is maintained. The line seizure detector DOF supplies a reverse voltage as soon as all the trunk groups of the corresponding rank are no longer available are.

NUMBERING EVALUATION (Fig. 3)

In the setup example, there are diode carrier plugs on the first level (first horizontal conductor) of each evaluation matrix, and the plugs are attached to the intersections 4-Hl of the matrix MAl and 8-Hl of the Matrix MA2 or 6-Hl of the matrix MA3 or 7-Hl of the matrix MAH.

The AND gate ETl becomes active and supplies a negative output voltage at the output Sl, if its four inputs are marked with a plus polarity at the same time, i.e., if the digits received are (in this order):

- first digit: H (marking the conductor t of the matrix MAl by the numbering recipient ORN);

second digit: 8 (marking of conductor 8 of matrix MA2);

- third digit: 6 (marking of the conductor 6 of the matrix MA3);

- fourth digit: 7 (marking of conductor 7 of the matrix MAH).

After in this way the program given as an example through the diode carrier connector on the first stage of the matrices is set, the AND element ET1 is released by evaluating the number 4867.

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In an analogous manner, the AND element ET2 is negative Voltage at S2 off when the received numbering one between 3270 and 3279 inclusive Number equals. The thousands digits (3) or hundreds digits (2) and tens digits (7) have been replaced by Marking of the vertical conductor 3 of MAl or 2 of MA2 or 7 of MA3 given and these markings were routed to the inputs 2EA or 2EB or 2EC of the switching element ET2.

As for marking the last input 2ED of the switching element ET2, the conductor CI (indifferent digit) of the matrix MAU was used, this marking stands for any digit of the position weight corresponding to the MAU.

The switching element ETm finally outputs a negative voltage to Sn if the received numbering is between 5000 and 5999 including the lying number corresponds. The first digit is given by the marking of the conductor 5 in MAl and this marking comes from the numbering receiver ORN and energizes the input nEA of the switching element ETn. The digits 0 to 9 of the second, third and fourth value points are given by markings made by the head CI yon MA2 (Input nEB energized) or the conductor CI of MA3 (input nEC energized) or the conductor CI of MAU (input nED energized) originate.

With certain types of numbering one finds a reduced one Numbering in which a code number (e.g. 8) has several digits of the usual numbering (e.g. the two first digits). In this case, the first two matrices MA1 and MA2, those of the first and the assigned to the second digit, in the shown in Fig. 5-

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switched way.

The vertical conductor 8 of one matrix (e.g. MAl) is arranged symmetrically to the two matrices MAl and MA2, whose corresponding horizontal conductors are connected to one another by pairs of diodes, which are connected to one another and brought together with their anodes. Short-circuit or diode carrier connector are at the point of intersection of the vertical conductor 8 with said horizontal conductors in such a way set, so that when voltage is applied to the vertical conductor 8 at the respective horizontal line Hl to Hn of the matrices MAl and MA2 is shown, therefore there is only a single marking for the evaluation of the first two digits of the numbering required · With this evaluation system, the numbering contains one digit less to mark an excessive mark to avoid"

DESIGNATION OF A CABLE BUNDLE OR LOCKING MARKING

(Fig. 4)

A - NO OPPORTUNITY FOR DIRECTORATE

The marking carried out by evaluating the numbering leads through a connection L of the bundle designation matrix MDF to a vertical conductor of the only group of normal bundles FN. It has been shown that the markings carried out approximately on the first stage of each evaluation matrix indicate the opening of the AND element ET1 (Fig. 3). This gives a negative potential to the connection Ll of the matrix MDF. After the in

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The example shown in Fig. 4 steers the diode carrier connector, which is plugged onto the crossing point F3-L1 of this matrix, this potential onto the vertical conductor F3 of the single group FN of conductors representing normal bundles, i.e. bundles of direct route,

At least one conductor is available in the normal bundle 3. -

The absolute value of the base voltage uT3 of the transistor T3 is, if U is the supply voltage of the system:

3. U x RB3
^Ula RB3 + RN (1)

This value is, apart from the threshold value of the voltage emitter- 'base of T3, at the ends of the resistor RE (Point P) encountered with conductive transistor T3.

At the beginning of the analysis, the contact ca is made and enables the base circuit of the transistor to be fed TEF (resistors RB and RK of the voltage divider for example RB = RBl = RB2 ... = RBm and RK> RN + RD). The base stress of TEF (point Q) is therefore:

u TEF - H ^{x RB}

RB + RK (2)

Comparing the corresponding to the points P and Q voltages (1) and (2) shows that after the absolute value _s u.TEF <uT3. As a result, the transistor TEF remains blocked.

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- in -

Only the transistor T3 is conductive and controls the blocking of the relay RF3 via the amplifier A3. This gives a polarity to wire DF3 through its contact rf3, thereby identifying bundle 3 and starting Elective system in operation (which is not the subject of the invention) to one of the free conductors among the ladders of the bundle mentioned

- Blocking of bundle 3 -

If no conductor in the bundle is free at the moment of evaluation, the line seizure detector shows DOF of known type (which is not the subject of the invention) has a positive polarity at the point DF3 and holds it Way, the transistor T3 blocked. Since the potential of the point P corresponds to the positive potential of the resistor RE corresponds, the transistor TEF is conductive and remains in this state. The locking monitoring relay RSE engages and marks the wire DEF through its contact rse, indicating that the one registered by the Number marked wire is not free and that this numbering cannot be passed on,

B - POSSIBILITY FOR ROUTE DIRECTION

In this case, the evaluation marker has, for example, over a line L2, the bundle designation matrix a conductor, such as Fl, the group FN assigned to the normal bundles and a conductor, for example F3, to the group FD assigned to the diversion bundles (insertion of two diode carrier plugs at the corresponding intersection points Fl - L2 of FN and F3-L2 from FD).

~ At least one conductor is available in normal bundle 1 -

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The evaluation mark (negative potential on line L2) generates a current that affects the following Paths distributed;

Line L2, head Fl of group FN, point Nl, resistor RN, resistor RBl and positive pole;

Line L2, line F3 of group FD, point D3, resistor RD, resistor RN, resistor RB3 and positive pole.

The absolute value of the base voltage uTl of Tl is:

RBl + RN
The absolute value of the base voltage uT3 of T3 is;

UT3 = ^UxRB3

RB3 + RD + RN

Since RBl = RB3 we get RB3 + RD + RN> RBl / Rn and uTl > uT3.

Since the absolute value of the base voltage of the transistor T3 is smaller than that of the base voltage of the transistor II, the transistor T3 remains blocked, while Tl becomes conductive. Get all emitters at the common switch point the potential determined by RE, which corresponds to the highest potential at the bases of the transistors Tl, T2,. ·· Tm (apart from the threshold value) can appear. The relay RFl engages and designates normal bundle 1.

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The voltage at point P assumes the value uTl, vom Apart from the threshold value of the voltage between the emitter and the base of the transistor Tl Transistor TEF blocked as in the case al.

- Normal bundle 1 is blocked -

The line occupancy detector (DOF) has positive polarity at point OFl, whereby the transistor Tl is blocked will. The relay RFl remains in the rest position. The transistor T3, whose emitter potential (point P) is higher than the potential uT3 of its base, becomes conductive and feeds the relay F3, which denotes the diversion line 3.

The base voltage uT3 = ^is transmitted to the connections of the resistor RE (point P) apart ^{from the threshold voltage emitter-base at the transistor T3.}

Compare the stresses at points P and Q:

_u ρ, _uT3

RB3 + RD + RN

It is known that

RB = RB3 and RK <RD + RN As a result, the voltage at point Q is an absolute value

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less than the voltage at point P, and the transistor TEF remains blocked.

- Detour line 3 is also blocked -

The transistors Tl and T3 are blocked because of the positive polarities at the points OFl and 0F3.

Since the point P has positive potential, the transistor becomes TEF conductive and feeds the relay RSE, which indicates the blocking.

C - MULTIPLE TRANSFER OPTIONS

In this case, the transistors, for example T1 to Tm from FIG. H, are equipped like the transistor shown in FIG T. This transistor has a certain number of series-connected base resistances: RN, RDl, RD2, RD3 for example · The resistor RN lies between the base of the transistor T and the point N, the resistor RDl between N and the point Dl, the resistor RD2 between the points Dl and D2, and the resistor RD3 between points D2 and D3.

The connection of the vertical conductors of the group FN of the normal lines (points Nl to Nm) remains as in Fig; t specified. In contrast, the vertical conductors of the group FD of detour lines according to the order the considered diversion led to the points Dl to D3.

Of course, the invention is not limited to the one described

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and drawn design, which is only given as an exemplary embodiment »limited · Within the scope of the invention, details can be changed, certain arrangements exchanged or certain means replaced by equivalent ones. In particular, the marking potentials be replaced by the opposite polarity, provided that the orientation of the diodes is reversed and transistors of the opposite type are used «In addition, the numbering evaluation matrices and the line identification matrix in tandem for programming make it easier: then the horizontal conductors are arranged one behind the other and thus simplify the determination of the steps for inserting the slip-on elements into the matrices mentioned «The programming is carried out through the design of the front of the apparatus shown as an exemplary embodiment in FIG. 7 facilitates. The lines Hl, H2, H3, ... Hm of this area correspond to the steps and run horizontally to the frame. A programming example is on the θer surface by black Circular areas shown, which represent the attached slip-on elements.

Claims;

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Claims (1)

225H03 Claims 1 · Programmable apparatus for route display, in particular for telecommunications and primarily for automatic telephony and telegraphy, for evaluating the subscriber or leader numbers recorded by a numbering receiver (ORN) and for Designation of the trunk group which, depending on the recorded numbers, set up the connections enable, characterized in that programmable means for evaluating the numbering in conjunction with programmable Means for the route designation are provided that the programmable means matrices for Evaluation of the numbering and the designation of the route included and that these matrices with attachable Intersection elements are provided, the coordinates of which have a direct relationship to those to be evaluated Have information such that programming can be done "on demand" through these means without altering the wiring of the internal components. 2. Apparatus according to claim 1, characterized in that the evaluation matrices (MAl to MAU) in connection with the numbering receiver and with AND gates stand that these links represent the complementary part of the evaluation means and that the connection 309817/0878 225H03 fertilize the matrices with the numbering organ on the vertical conductors and the connections of the said Matrices with the AND gates on the horizontal conductors are made in such a way that the reception a digit is concretized by a marking potential on a vertical conductor of a matrix, this potential being applied to an input of at least one AND element through at least one plug-in element is directed. 3 »Apparatus according to claim 1 or 2, with evaluation matrices in a number that is at least equal to the number of the digits in the part of the numbering to be evaluated, characterized in that the horizontal conductors of the same value place of each evaluation matrix are connected are connected to the inputs of a specific AND element assigned to this value, in such a way that the The number of AND gates is equal to the number of horizontal conductors of any of the aforementioned matrices and that the number of inputs of each AND element is equal to the number of said matrices. Apparatus according to one of Claims 1 to 3, characterized in that that every vertical conductor of a certain evaluation matrix has a different digit but of the same Represents the weight of the decimal numbering, and that these conductors assigned to the digits have an additional, with a constant (permanent). 309817/0878 Marking provided vertical conductor is assigned, which is directly connected to a supply pole in such a way is connected that he marks the digits at the inputs of the AND gates with for the numbering evaluation can replace unnecessary weighting (indifferent digits). Apparatus according to any one of claims 1 to 4, in which the receipt of a code can replace the receipt of several digits of the usual numbering, characterized in that the horizontal conductors of the same value place of at least one pair of evaluation matrices are connected with the help of pairs of diodes, which are connected in pairs against each other, the vertical conductor of the one of the matrices representative of said characteristic number with the Point in the middle between each pair of diodes by inserting plug-on conductor or semiconductor elements is connected in such a way that the marking of the relevant vertical conductor of said matrix, which is "singled out" (valves) on the horizontal conductors of the pair of matrices, the evaluation of several Digits of different weighting allowed. 6. Apparatus according to any one of claims 1 to 5, with programmable routing designation means _9, characterized in that a matrix is provided for the designation of bundles of lines connected on the one hand to the AND gates and on the other hand to transistor amplifier circuits, the 309817/0878 225H03 Output of each AND element with an associated horizontal conductor of the line bundle identification matrix is connected in such a way that - since the receipt of a numbering the marking of a vertical conductor each evaluation matrix and the markings are diverted to the inputs of an AND element Member marked the said horizontal conductor of the line bundle designation matrix, with the called matrix the mentioned marking on the transistor amplifier circuits diverts so that one of them can view the trunk group that is to be forwarded the connection is capable. 7. Apparatus according to one of claims 1 to 6, characterized characterized in that the trunk group description matrix has two analogous groups of vertical conductors, one (FN) of which the normal route bundles the other (FD) is assigned to the diversion line bundles that each horizontal conductor of the called matrix with a different vertical conductor in each group by attaching clip-on elements it can be connected that one end of each vertical conductor has the same value point of a group (FN) a resistor (RD) is connected to the homologous vertical conductor of the other group (FD) that one end of each vertical conductor of the group FN ■ each with the base of a transistor the same Wertstelle is connected via a resistor (RN) that the bases of these transistors each with a Pole of the supply voltage are connected via a resistor (RB) that their emitter has a common 309817/0878 225U03 Connection point connected to an emitter resistor (RE) are, the end of which is at the said pole, that their collectors each with a control circuit (A-RF) are connected, which corresponds to the value place of the trunk group $ so that if a Marking coming from an AND element on the clip-on elements involved on a vertical conductor each group of said matrix is conducted with a common emitter resistance (RE) of the transistors, the voltage value at the base circuits of the transistors is different, depending on whether you are using a normal conductor bundle or a diversion bundle in Connection stands, whereby only the marking of the conductor of the group "normal line bundle" the unlocking of the associated transistor. 8 «apparatus according to one of claims 1 to 7, in which the bases of the transistors (Tl to Tm) with a line occupancy detector that puts reverse polarity on the base of the transistors that make up the Correspond to bundles in which all lines are occupied, characterized in that when the transistor for the designation of a normal bundle is blocked by said polarity, the transistor assigned to the value point of the diversion bundle becomes conductive and the called bundle. ■ 9. Apparatus according to any one of claims 1 to 8, characterized 309817/0878 - 2t - characterized that an additional transistor for monitoring the blocking of the trunk group (TEF) is assigned to the transistors for the designation of the normal line bundle and the diversion bundle that the emitter or collector connections of this transistor to an emitter resistor (RE) and a control circuit (AEF, RSE) are connected like the other transistors, with the base of said transistor from the evaluation of the numbering is applied to such a voltage that this transistor is not Conducted and the lock is only signaled when a lock command is either the designation transistor for a normal bundle not accompanied by a diversion bundle or the transistor for the designation of the The normal bundle and the transistor for the diversion bundle attached to this normal bundle is influenced. 10. Apparatus according to any one of claims 1 to 9, characterized in that the line bundle designation trans istors are each equipped with several series-connected base resistors, the first These resistors (RN) are connected to a vertical conductor which is characteristic of a normal cable bundle is such that when the normal trunk group is busy, the evaluation mark on the Base circuit (RDl, RN) of a first transistor becomes effective, which is the designation of a first diversion bundle is assigned, this transistor (designation of the first diversion bundle) conducting is, except when this trunk group is busy, whereupon the evaluation marking is then on the base 309817/0878 225-03 circle (RD2, RDl, RN) of a second designation transistor of a second diversion bundle is effective and said transistor now. is conductive (designation of a second diversion bundle), in which way several diversion bundles can be ^{"scanned"(2explore's 11) in the case of occupancy of the said bundle of lines.} , 303817/0878