CA1284687C - Distribution frames and electrical connection arrangements - Google Patents
Distribution frames and electrical connection arrangementsInfo
- Publication number
- CA1284687C CA1284687C CA000527043A CA527043A CA1284687C CA 1284687 C CA1284687 C CA 1284687C CA 000527043 A CA000527043 A CA 000527043A CA 527043 A CA527043 A CA 527043A CA 1284687 C CA1284687 C CA 1284687C
- Authority
- CA
- Canada
- Prior art keywords
- connector
- assembly
- cross
- connect
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Structure Of Telephone Exchanges (AREA)
Abstract
DISTRIBUTION FRAMES AND ELECTRICAL CONNECTION ARRANGEMENTS
Abstract of the Disclosure A distribution frame and wiring assembly provided with means for mounting two cross-connect connectors only.
There is also at least one region for attachment of part of a multiple contact connector. The frame is particularly useful in an assembly of frame and connectors in which a pre-wired cross-connect connector and a multiple contact connector are assembled into the frame. The assembly of frame and wiring may be factory or pre-wired thus simplifying the construction of an access block.
Abstract of the Disclosure A distribution frame and wiring assembly provided with means for mounting two cross-connect connectors only.
There is also at least one region for attachment of part of a multiple contact connector. The frame is particularly useful in an assembly of frame and connectors in which a pre-wired cross-connect connector and a multiple contact connector are assembled into the frame. The assembly of frame and wiring may be factory or pre-wired thus simplifying the construction of an access block.
Description
8'~
DISTRIBUTION FRAMES AND ELECTRICAL CONNECTION ARRANGEMENTS
This invention relates to distribution frames and electrical connection arrangements.
Present electrical connection arrangements between an incoming telecommunications supply cable, such as a trunk cable, and a private telecommunications network, hinder or even prevent a user from testing his own network. In order for testing procedures to be followed by the user, his private network needs to be electrically isolated from the incoming cable. However, it is common practice for the incoming cable to be connected into terminals for distribution throughout the private network in a housing, the housing and its internal distribution arrangement normally referred to as an "access block". These access blocks, referred to throughout this specification as "access assemblies" are the property of the company installing the incoming cable. It is conventional for the cable installation company to own these access assemblies and a private network user may not have permission to open such assemblies for private network user test purposes. This has been found to be highly inconvenient for the private network user. In order to ascertain whether a fault within a telecommunications system occurs within his own private network, the user necessarily needs to contact the cable installation company to open an access assembly to disconnect his private network from the incoming cable. This leads to unnecessary delay, and the inconvenience of having a faulty system and the expense of correcting the fault is increased by the charge made by the installation company for his visit to open the access assembly.
Problems also exist in easily isolating parts of private telecommunications networks to test for faults. It would be convenient if parts of such networks could be easily isolated, not only for ease of test purposes, but also for purposes of repair.
B ~
,;
4~3 7 The present invention provides a distribution frame arrangement which may be used to minimize or alleviate the above problems.
Accordingly, the present invention includes a distribution frame and wiring assembly comprising: a distribution frame having mounting means for detachably holding two cross-connect connectors in spaced relationship in predetermined locations and an attachment region for attachment of a multiple contact connector; a cross-connect connector for mounting in one of said mounting means; a plurality of insulated electrical conductor wires ; electrically connected, each by one end, to terminals of one of the rows of said cross-connect connector; and a multiple contact connector which is attached to the attachment region;
said cross-connect connector connected by the plurality of wires to said multiple contact connector with the wires extending through the frame so as to permit said cross-` connect connector to be mounted in the mounting means.
In the above paragraph defining the invention and as referred to elsewhere in this specification and appendant claims, the term "cross-connect connector" relates solely to ` a connector having a dielectric body with two spaced rows of -~ 25 electrical terminals held by the body with the terminals of one row interconnected electrically and in desired fashion with those of the other row through the dielectric body, and also in which the terminals are of a construction normally referred to as "insulation displacement terminals" in that they cut into insulating material surrounding a conductor wire, when the conductor wire is forced into the terminal, so that conductive portions of the terminal electrically contact the conductor wire.
With the above assembly according to the invention, and with a multiple contact connector mounted in position to the attachment region, then the assembly may be used advantageously in an access assembly to enable ease of ' B
/
l ~f~ i8 7 connection and disconnection of an incoming cable and an outgoing cable or wires. Its use is primarily for the purpose of connecting and disconnecting two in series access assemblies, one of which is connected to an incoming cable and the other of which is connected to an outgoing cable or wires. with an interconnecting cable extending between the two access assemblies and joined at its ends to the multiple contact connectors provided in the distribution frame arrangement and wirlng assembly of each of the two access assemblies, then disconnection of one assembly from the other for enabling tests to be performed upon a private network is a simple matter.
Embodiments of the invention will now be described, by way of example, with reference to the accompanying drawings, in which:-Figure 1 is a plan view of a prior art cross-connect connector;
Figure 2 is a circuit diagram showing the wiring for a prior art access assembly;
Figure 3 is an isometric view showing a prior art method of attachment of prior art cross-connect connectors into an access assembly;
Figure 4 is an isometric view in the opposite direction from Figure 3 and showing one prior art mounting means of an access assembly;
Figure 5 is a front view of a distribution frame and wiring assembly according to a first embodiment;
Figure 6 is a cross-sectional view of the assembly of the first embodiment taken along line 'VI-VI' in Figure 5;
Figure 7 is a circuit diagram showing wiring to a diagrammatic plan view of access assemblies which include ` frame and wiring assemblies according to the first embodiment;
Figure 8 is a front view of a distribution frame and wiring assembly according to a second embodiment;
B
~ ~s~ 7 Figure 9 is a cross-sectional view of the assembly of the second embodiment taken along line 'IX-IX' in Figure 8;
Figure 10 is a view similar to Figure 7 showing wiring to access assemblies incorporating distribution frame and wiring assemblies accordiny to both the first and second embodiments; and Figure 11 is a circuit diagram showing the use of a distribution frame and wiring assembly according to the second embodiment installed in a customer's private network.
~ As shown in Figure 1, a prior cross-connect ; connector 10 comprises a substantially planar strip shaped body 12 of dielectric material having along each edge a row of terminals 14a and 14b. In this known connector structure, each of the terminals comprises two opposed electrically conductive portions (not shown) arranged on either side of a molded groove in an edge of the body 12. These conductor portions act to cut into insulating material surrounding a conductor wire when the conductor wire is forced into the groove so that the conductor portions electrically contact the conductor wire. Such terminals are normally referred to as "insulation displacement terminals".
This prior cross-connect connector structure is used in access assembly constructions for connecting a trunk or incoming cable to a customer's private network. This is as shown in Figure 2 in which two prior cross-connect connectors 10 are located in parallel and spaced positions within an access housing 16 of an access assembly 18. The two connectors 10 are each mounted with one row of terminals (e.g. row 14b) facing forwardly of the assembly and these two rows are connected together by individual insulated conductor wires 20. The rearwardly facing row of terminals (e.g. row 14a) of one connector 10 is connected to the incoming wires ~ 22 of a trunk cable 24. The rear facing row of terminals of - the other connector 10 is electrically connected to outgoing :
, , ~
::
3'7 wires 26 which connect the trunk cable with the private network 28 (shown diagrammatically in chain-dotted outline).
Each cross-connect connector 10 is mounted into the housing 16 in the following manner. Within the housing 16 are disposed two mounting means 32, one for each connector (as shown by Figures 3 and 4). Each mounting means comprises a pair of spaced latches 34 resiliently and integrally carried by a carrier 30. The latches in an unstrained condition project forwardly and parallel and are spaced apart a distance sufficient to enable the associated cross-connect connector 10 to be located horizontally with its ends within slots 36 in the latches and engaging stops 38 outside the latches. The latches are resiliently movable apart to allow a connector 10 to be located between them. Cross-connect connectors therefore normally lie parallel to one another between their mounting means 32 as shown by Figure 2. In the finished access assembly according to the prior art, the wires 22 of the incoming cable 24 are passed to the rear facing elements 14a of one of the cross-connect connectors 10 as shown in Figure 3. Similarly, the wires 26 extend from the rear facing row of elements of the other connector 10 as described. Thus the conductor wires are permanently attached to the connectors in the access assembly. For the wires to be connected to their respective terminals, it is necessary for each connector to be already mounted within its mounting means 32. This is effected in known manner, by locating the connectors initially in a reversed position from their normal operating position and then in their normal operating position to enable the conductor wire ends to be inserted into the terminals along each row in turn. For instance, if it is considered that in Figure 3, terminal ends 40 are connected to the terminals 14a of the associated connector 10 in its operating position, then initially the connector is located in its mounting with the row 14a of terminals facing forwardly. This enables the conductor wire ends to be inserted in the terminals 14a. The connector is then removed and turned about a longitudinal axis so that its row of ~ 7 terminals 14a faces towards the rear of the access assembly as shown in Figure 3. This movement then exposes the row 14b of terminals to the forward facing position, as shown in Figure 3, to enable the conductor wires 20 to be located within this row. Thus the assembly procedure for connecting the wires to the connectors and for changing the position of the connectors within their mountings, is a lengthy one.
Apart from the above assembly problem, another and more practical problem exists. If it is found by the user of his private network that there is a fault within the telecommunications system involving his network, then it is possible that he may be incapable of testing his network unless the cable installation company disconnects the network from the incoming cable 24 at the access assembly. The user is therefore dependent upon the cable installation company for this service before he can determine where the fault lies.
The invention is concerned with providing a distribution frame and wiring assembly which may be used to overcome the above problems.
As shown in a first embodiment, in Figures 5 and 6, ~ 25 a distribution frame and wiring assembly 42 comprises a - distribution frame 44 having a rectangular back panel 46.
The back panel carries two mounting means 32, each comprising a pair of horizontally spaced latches 34 as described with reference to Figure 3. The mounting means may hold two prior cross-connect connectors 10 and lOd in spaced relationship on the distribution frame 44. The connector lOd is not normally a part of the assembly 42 and is added when the assembly is placed in service as described below with reference to Figure 7.
In the structure of Figures 5 and 6, a single attachment region 48 is provided for holding a multiple contact connector, i.e., a ribbon connector 50. The ribbon , ~ B
:
'7 connector 50 is carried upon a flange 52 which lies parallel to the back plate 46 and is spaced from it by a right angle plate portion 54. The ribbon connector 50 has its rearward facing terminals connected by insulated conductor wires 56 with the rearwardly facing row of terminals of the connector 10. The ribbon connector 50, the wires 56 and the connector 10 are a pre-formed connector and wiring assembly which is mounted into the distribution frame 44 to provide the frame arrangement and wiring assembly 22 which may be kept in storage prior to use as part of an access assembly.
Distribution frame and wiring assemblies 42 are used in the construction, shown in Figure 7, for connecting a trunk cable with a private network. As may be seen from Figure 7, there are two in series access assemblies 60 and 62 used to join the trunk cable with the private network. In each of the assemblies 60 and 62, a pre-formed distribution frame and wiring assembly 42 is used. As described above, each assembly 42 includes frame 44 and the conductor 10 is pre-wired by wires 56 to the ribbon connector 50 carried by flange 52. The two ribbon connectors 50 are interconnected by a cable 64 extending between housings 66 and 68 of the two assemblies. The interconnecting cable 64 has ribbon connectors 70 at its ends, the connectors 70 interconnected with the ribbon connectors 50. It is then simply necessary to introduce a remaining connector lOd into each assembly, each connector lOd disposed in a vacant mounting means 32.
In the assembly 60, the connector lOd is electrically wired to the incoming cable 72 in conventional fashion and bridging wires 74 are provided between the elements of the forwardly facing rows of the two connectors lO and lOd to electrically ; connect them together. The connector lOd of the assembly 62 is similarly connected to the private network in conventional fashion and also to the connector 10 of that assembly.
It is clear therefore that with regard to Figure 7, the two assemblies 42 are easily and quickly assembled into place together with the pre-wired interconnecting cable 64.
'~' ~3~j8~7 This drastically reduces the difficulty and time involved in making the two access assemblies. Thus while two assemblies may be used instead of one as in the prior constructions, the reduction in labor and time significantly minimizes any disadvantage which is found with the use of the two assemblies.
With the use of the construction shown in Figure 7, there is the further advantage that if it is required to test either the incoming trunk cable or the customer network for faults, it is a simple matter to separate the two parts of the circuit by disconnecting the cable 64 from one or both ends. The customer may then test his private network with the incoming cable 72 disconnected and without having to interfere with the access assembly 60 which may be the property of the cable installation company.
In a second embodiment as shown in Figures 8 and 9, a distribution frame and wiring assembly 80 is of the same construction as that described in the first embodiment except that, in this embodiment, two similarly constructed attachment regions 48 and 82 are provided. Both attachment regions carry ribbon connectors 50.
Each ribbon connector 50 is provided as a part of a pre-formed connector and electrical conductor wiring assembly, as described in the first embodiment with the ribbon connector connected by wires 56 with a respective cross-connect connector 10. This construction of distribution frame and wiring assembly 80 is pre-formed and may be stored not only with the wiring assemblies described above, but also with bridging wires 84 extending between the forwardly facing row of elements of the two conductors.
The structures shown in the first and second embodiments may be used in an access assembly circuitry arrangement as shown in Figure 10. In this arrangement, a main access assembly 86 contains both an assembly 80 and an ~ ~ .
4~ 7 g assembly 42 within a housing 88. The trunk cable 90 is connected into the assembly 42 in the manner described with regard to Figure 7 and the ribbon connector of the assembly 42 is joined to the assembly 80 within the housing 88 by a cable 92.
In this structure, the customer has his personal test access assembly 94 which includes assemblies 80 and 42 joined in series by a cable 96 within housing 98. The cross-connect connector lOd of the assembly 42 in the assembly 94is joined by individual insulated wires 100 to the private network. The two access assemblies 86 and 94 are connected together by an interconnecting cable 102 having male connector parts 70 which electrically connect the ribbon connectors 50 of the two assemblies 80.
The access assembly circuitry illustrated in Figure 10 has similar advantages to that discussed with regard to Figure 7.
In a further circuitry arrangement shown in Figure 11, the assembly 80 shown in Figures 8 and 9 may be used to electrically connect two parts 104 and 106 of a private ; network. As can be seen from Figure 11, the pre-formed assembly 80 is located in position and is simply connected to the two circuitry parts 104 and 106 by the use of ribbon connectors 70 as described in the other embodiments. If it is desirable to test either part of the circuitry, it is a simple matter to disconnect the two parts 104 and 106 by simply disconnecting it at one of the ribbon connectors.
B
I
DISTRIBUTION FRAMES AND ELECTRICAL CONNECTION ARRANGEMENTS
This invention relates to distribution frames and electrical connection arrangements.
Present electrical connection arrangements between an incoming telecommunications supply cable, such as a trunk cable, and a private telecommunications network, hinder or even prevent a user from testing his own network. In order for testing procedures to be followed by the user, his private network needs to be electrically isolated from the incoming cable. However, it is common practice for the incoming cable to be connected into terminals for distribution throughout the private network in a housing, the housing and its internal distribution arrangement normally referred to as an "access block". These access blocks, referred to throughout this specification as "access assemblies" are the property of the company installing the incoming cable. It is conventional for the cable installation company to own these access assemblies and a private network user may not have permission to open such assemblies for private network user test purposes. This has been found to be highly inconvenient for the private network user. In order to ascertain whether a fault within a telecommunications system occurs within his own private network, the user necessarily needs to contact the cable installation company to open an access assembly to disconnect his private network from the incoming cable. This leads to unnecessary delay, and the inconvenience of having a faulty system and the expense of correcting the fault is increased by the charge made by the installation company for his visit to open the access assembly.
Problems also exist in easily isolating parts of private telecommunications networks to test for faults. It would be convenient if parts of such networks could be easily isolated, not only for ease of test purposes, but also for purposes of repair.
B ~
,;
4~3 7 The present invention provides a distribution frame arrangement which may be used to minimize or alleviate the above problems.
Accordingly, the present invention includes a distribution frame and wiring assembly comprising: a distribution frame having mounting means for detachably holding two cross-connect connectors in spaced relationship in predetermined locations and an attachment region for attachment of a multiple contact connector; a cross-connect connector for mounting in one of said mounting means; a plurality of insulated electrical conductor wires ; electrically connected, each by one end, to terminals of one of the rows of said cross-connect connector; and a multiple contact connector which is attached to the attachment region;
said cross-connect connector connected by the plurality of wires to said multiple contact connector with the wires extending through the frame so as to permit said cross-` connect connector to be mounted in the mounting means.
In the above paragraph defining the invention and as referred to elsewhere in this specification and appendant claims, the term "cross-connect connector" relates solely to ` a connector having a dielectric body with two spaced rows of -~ 25 electrical terminals held by the body with the terminals of one row interconnected electrically and in desired fashion with those of the other row through the dielectric body, and also in which the terminals are of a construction normally referred to as "insulation displacement terminals" in that they cut into insulating material surrounding a conductor wire, when the conductor wire is forced into the terminal, so that conductive portions of the terminal electrically contact the conductor wire.
With the above assembly according to the invention, and with a multiple contact connector mounted in position to the attachment region, then the assembly may be used advantageously in an access assembly to enable ease of ' B
/
l ~f~ i8 7 connection and disconnection of an incoming cable and an outgoing cable or wires. Its use is primarily for the purpose of connecting and disconnecting two in series access assemblies, one of which is connected to an incoming cable and the other of which is connected to an outgoing cable or wires. with an interconnecting cable extending between the two access assemblies and joined at its ends to the multiple contact connectors provided in the distribution frame arrangement and wirlng assembly of each of the two access assemblies, then disconnection of one assembly from the other for enabling tests to be performed upon a private network is a simple matter.
Embodiments of the invention will now be described, by way of example, with reference to the accompanying drawings, in which:-Figure 1 is a plan view of a prior art cross-connect connector;
Figure 2 is a circuit diagram showing the wiring for a prior art access assembly;
Figure 3 is an isometric view showing a prior art method of attachment of prior art cross-connect connectors into an access assembly;
Figure 4 is an isometric view in the opposite direction from Figure 3 and showing one prior art mounting means of an access assembly;
Figure 5 is a front view of a distribution frame and wiring assembly according to a first embodiment;
Figure 6 is a cross-sectional view of the assembly of the first embodiment taken along line 'VI-VI' in Figure 5;
Figure 7 is a circuit diagram showing wiring to a diagrammatic plan view of access assemblies which include ` frame and wiring assemblies according to the first embodiment;
Figure 8 is a front view of a distribution frame and wiring assembly according to a second embodiment;
B
~ ~s~ 7 Figure 9 is a cross-sectional view of the assembly of the second embodiment taken along line 'IX-IX' in Figure 8;
Figure 10 is a view similar to Figure 7 showing wiring to access assemblies incorporating distribution frame and wiring assemblies accordiny to both the first and second embodiments; and Figure 11 is a circuit diagram showing the use of a distribution frame and wiring assembly according to the second embodiment installed in a customer's private network.
~ As shown in Figure 1, a prior cross-connect ; connector 10 comprises a substantially planar strip shaped body 12 of dielectric material having along each edge a row of terminals 14a and 14b. In this known connector structure, each of the terminals comprises two opposed electrically conductive portions (not shown) arranged on either side of a molded groove in an edge of the body 12. These conductor portions act to cut into insulating material surrounding a conductor wire when the conductor wire is forced into the groove so that the conductor portions electrically contact the conductor wire. Such terminals are normally referred to as "insulation displacement terminals".
This prior cross-connect connector structure is used in access assembly constructions for connecting a trunk or incoming cable to a customer's private network. This is as shown in Figure 2 in which two prior cross-connect connectors 10 are located in parallel and spaced positions within an access housing 16 of an access assembly 18. The two connectors 10 are each mounted with one row of terminals (e.g. row 14b) facing forwardly of the assembly and these two rows are connected together by individual insulated conductor wires 20. The rearwardly facing row of terminals (e.g. row 14a) of one connector 10 is connected to the incoming wires ~ 22 of a trunk cable 24. The rear facing row of terminals of - the other connector 10 is electrically connected to outgoing :
, , ~
::
3'7 wires 26 which connect the trunk cable with the private network 28 (shown diagrammatically in chain-dotted outline).
Each cross-connect connector 10 is mounted into the housing 16 in the following manner. Within the housing 16 are disposed two mounting means 32, one for each connector (as shown by Figures 3 and 4). Each mounting means comprises a pair of spaced latches 34 resiliently and integrally carried by a carrier 30. The latches in an unstrained condition project forwardly and parallel and are spaced apart a distance sufficient to enable the associated cross-connect connector 10 to be located horizontally with its ends within slots 36 in the latches and engaging stops 38 outside the latches. The latches are resiliently movable apart to allow a connector 10 to be located between them. Cross-connect connectors therefore normally lie parallel to one another between their mounting means 32 as shown by Figure 2. In the finished access assembly according to the prior art, the wires 22 of the incoming cable 24 are passed to the rear facing elements 14a of one of the cross-connect connectors 10 as shown in Figure 3. Similarly, the wires 26 extend from the rear facing row of elements of the other connector 10 as described. Thus the conductor wires are permanently attached to the connectors in the access assembly. For the wires to be connected to their respective terminals, it is necessary for each connector to be already mounted within its mounting means 32. This is effected in known manner, by locating the connectors initially in a reversed position from their normal operating position and then in their normal operating position to enable the conductor wire ends to be inserted into the terminals along each row in turn. For instance, if it is considered that in Figure 3, terminal ends 40 are connected to the terminals 14a of the associated connector 10 in its operating position, then initially the connector is located in its mounting with the row 14a of terminals facing forwardly. This enables the conductor wire ends to be inserted in the terminals 14a. The connector is then removed and turned about a longitudinal axis so that its row of ~ 7 terminals 14a faces towards the rear of the access assembly as shown in Figure 3. This movement then exposes the row 14b of terminals to the forward facing position, as shown in Figure 3, to enable the conductor wires 20 to be located within this row. Thus the assembly procedure for connecting the wires to the connectors and for changing the position of the connectors within their mountings, is a lengthy one.
Apart from the above assembly problem, another and more practical problem exists. If it is found by the user of his private network that there is a fault within the telecommunications system involving his network, then it is possible that he may be incapable of testing his network unless the cable installation company disconnects the network from the incoming cable 24 at the access assembly. The user is therefore dependent upon the cable installation company for this service before he can determine where the fault lies.
The invention is concerned with providing a distribution frame and wiring assembly which may be used to overcome the above problems.
As shown in a first embodiment, in Figures 5 and 6, ~ 25 a distribution frame and wiring assembly 42 comprises a - distribution frame 44 having a rectangular back panel 46.
The back panel carries two mounting means 32, each comprising a pair of horizontally spaced latches 34 as described with reference to Figure 3. The mounting means may hold two prior cross-connect connectors 10 and lOd in spaced relationship on the distribution frame 44. The connector lOd is not normally a part of the assembly 42 and is added when the assembly is placed in service as described below with reference to Figure 7.
In the structure of Figures 5 and 6, a single attachment region 48 is provided for holding a multiple contact connector, i.e., a ribbon connector 50. The ribbon , ~ B
:
'7 connector 50 is carried upon a flange 52 which lies parallel to the back plate 46 and is spaced from it by a right angle plate portion 54. The ribbon connector 50 has its rearward facing terminals connected by insulated conductor wires 56 with the rearwardly facing row of terminals of the connector 10. The ribbon connector 50, the wires 56 and the connector 10 are a pre-formed connector and wiring assembly which is mounted into the distribution frame 44 to provide the frame arrangement and wiring assembly 22 which may be kept in storage prior to use as part of an access assembly.
Distribution frame and wiring assemblies 42 are used in the construction, shown in Figure 7, for connecting a trunk cable with a private network. As may be seen from Figure 7, there are two in series access assemblies 60 and 62 used to join the trunk cable with the private network. In each of the assemblies 60 and 62, a pre-formed distribution frame and wiring assembly 42 is used. As described above, each assembly 42 includes frame 44 and the conductor 10 is pre-wired by wires 56 to the ribbon connector 50 carried by flange 52. The two ribbon connectors 50 are interconnected by a cable 64 extending between housings 66 and 68 of the two assemblies. The interconnecting cable 64 has ribbon connectors 70 at its ends, the connectors 70 interconnected with the ribbon connectors 50. It is then simply necessary to introduce a remaining connector lOd into each assembly, each connector lOd disposed in a vacant mounting means 32.
In the assembly 60, the connector lOd is electrically wired to the incoming cable 72 in conventional fashion and bridging wires 74 are provided between the elements of the forwardly facing rows of the two connectors lO and lOd to electrically ; connect them together. The connector lOd of the assembly 62 is similarly connected to the private network in conventional fashion and also to the connector 10 of that assembly.
It is clear therefore that with regard to Figure 7, the two assemblies 42 are easily and quickly assembled into place together with the pre-wired interconnecting cable 64.
'~' ~3~j8~7 This drastically reduces the difficulty and time involved in making the two access assemblies. Thus while two assemblies may be used instead of one as in the prior constructions, the reduction in labor and time significantly minimizes any disadvantage which is found with the use of the two assemblies.
With the use of the construction shown in Figure 7, there is the further advantage that if it is required to test either the incoming trunk cable or the customer network for faults, it is a simple matter to separate the two parts of the circuit by disconnecting the cable 64 from one or both ends. The customer may then test his private network with the incoming cable 72 disconnected and without having to interfere with the access assembly 60 which may be the property of the cable installation company.
In a second embodiment as shown in Figures 8 and 9, a distribution frame and wiring assembly 80 is of the same construction as that described in the first embodiment except that, in this embodiment, two similarly constructed attachment regions 48 and 82 are provided. Both attachment regions carry ribbon connectors 50.
Each ribbon connector 50 is provided as a part of a pre-formed connector and electrical conductor wiring assembly, as described in the first embodiment with the ribbon connector connected by wires 56 with a respective cross-connect connector 10. This construction of distribution frame and wiring assembly 80 is pre-formed and may be stored not only with the wiring assemblies described above, but also with bridging wires 84 extending between the forwardly facing row of elements of the two conductors.
The structures shown in the first and second embodiments may be used in an access assembly circuitry arrangement as shown in Figure 10. In this arrangement, a main access assembly 86 contains both an assembly 80 and an ~ ~ .
4~ 7 g assembly 42 within a housing 88. The trunk cable 90 is connected into the assembly 42 in the manner described with regard to Figure 7 and the ribbon connector of the assembly 42 is joined to the assembly 80 within the housing 88 by a cable 92.
In this structure, the customer has his personal test access assembly 94 which includes assemblies 80 and 42 joined in series by a cable 96 within housing 98. The cross-connect connector lOd of the assembly 42 in the assembly 94is joined by individual insulated wires 100 to the private network. The two access assemblies 86 and 94 are connected together by an interconnecting cable 102 having male connector parts 70 which electrically connect the ribbon connectors 50 of the two assemblies 80.
The access assembly circuitry illustrated in Figure 10 has similar advantages to that discussed with regard to Figure 7.
In a further circuitry arrangement shown in Figure 11, the assembly 80 shown in Figures 8 and 9 may be used to electrically connect two parts 104 and 106 of a private ; network. As can be seen from Figure 11, the pre-formed assembly 80 is located in position and is simply connected to the two circuitry parts 104 and 106 by the use of ribbon connectors 70 as described in the other embodiments. If it is desirable to test either part of the circuitry, it is a simple matter to disconnect the two parts 104 and 106 by simply disconnecting it at one of the ribbon connectors.
B
I
Claims (4)
1. A distribution frame and wiring assembly, comprising:-a distribution frame having two mounting means for detachably holding two cross-connect connectors in spaced relationship in predetermined locations and an attachment region for attachment of a multiple contact connector;
a cross-connect connector for mounting in one of said mounting means, a plurality of insulated electrical conductor wires electrically connected, each by one end, to terminals of one of the rows of said cross-connect connectors; and a multiple contact connector, said multiple contact connector attached to the attachment region;
said cross-connect connector connected by the plurality of wires to said multiple contact connector, said wires extending through the frame so as to permit said cross-connect connector to be mounted in said mounting means.
a cross-connect connector for mounting in one of said mounting means, a plurality of insulated electrical conductor wires electrically connected, each by one end, to terminals of one of the rows of said cross-connect connectors; and a multiple contact connector, said multiple contact connector attached to the attachment region;
said cross-connect connector connected by the plurality of wires to said multiple contact connector, said wires extending through the frame so as to permit said cross-connect connector to be mounted in said mounting means.
2. An assembly according to claim 1 having another attachment region, a multiple contact connector and a second cross-connect connector, the other multiple contact connector attached to the other attachment region and electrically connected by another plurality of insulated electrical conductor wires to the second cross-connect connector with said other plurality of wires extending through the frame so as to permit the second cross-connect connector to be mounted in the other of the two mounting means.
3. An assembly according to claim 2 wherein the two attachment regions are separated by the two mounting means.
4. An assembly according to either of claims 2 and 3 wherein the distribution frame comprises a unitary frame.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000527043A CA1284687C (en) | 1987-01-09 | 1987-01-09 | Distribution frames and electrical connection arrangements |
| US07/018,234 US4861283A (en) | 1986-04-25 | 1987-02-24 | Distribution frames and electrical connectors |
| EP87303333A EP0243088A3 (en) | 1986-04-25 | 1987-04-15 | Distribution frames and electrical connectors |
| KR870003941A KR870010660A (en) | 1986-04-25 | 1987-04-24 | Wiring boards and electrical connectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000527043A CA1284687C (en) | 1987-01-09 | 1987-01-09 | Distribution frames and electrical connection arrangements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1284687C true CA1284687C (en) | 1991-06-04 |
Family
ID=4134721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000527043A Expired - Fee Related CA1284687C (en) | 1986-04-25 | 1987-01-09 | Distribution frames and electrical connection arrangements |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1284687C (en) |
-
1987
- 1987-01-09 CA CA000527043A patent/CA1284687C/en not_active Expired - Fee Related
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