An electrical plug-in connector for differential signal transmission, having an external conductor contact element, a dielectric and at least one internal conductor contact element pair for differential signal transmission. The dielectric extends along a longitudinal axis through the external conductor contact element. The internal conductor contact element pair has a first internal conductor contact element and a second internal conductor contact element which extend along the longitudinal axis through the dielectric. The external conductor contact element and/or the dielectric have a compensation geometry in order to compensate for an asymmetry of the internal conductor contact element pair with respect to the longitudinal axis. As an alternative or in addition, it is provided that the internal conductor contact element pair has a compensation geometry in order to compensate for an asymmetry of the external conductor contact element and/or of the dielectric with respect to the longitudinal axis.

An electrically insulated cable comprising: a core electric wire; a tape member covering the core electric wire; and a covering layer covering the tape member; wherein: the core electric wire includes a plurality of insulated electric wires; the insulated electric wires each include a conductor and an insulating layer covering the conductor; and the tape member has a minimum value of transmittance of 70% or more with respect to light having a wavelength of no less than 400 nm and no more than 800 nm.

Twisted-pair data cables are provided with conductors that are insulated with two or more different materials, where one of the two or more materials is cross-linked polyethylene (XLPE). The use of XLPE in conjunction with other materials within the same cable can ensure that the cable satisfies requirements of heat and flame resistance while reducing the manufacturing cost of such cables.

A cable includes a pair of insulation core wires extending longitudinally parallel to each other, each of the insulation core wires has a central conductor and a core insulation layer circumferentially wrapped around the central conductor, an inner insulation layer wrapped on an outside of the core insulation layers of the insulation core wires to fix the insulation core wires, a metal shielding layer wrapped on an outside of the inner insulation layer, and an outer insulation layer wrapped on an outer circumferential surface of the metal shielding layer. The core insulation layers of the insulation core wires abut against each other on outer peripheries of first sides of the core insulation layers facing each other.

A differential signal transmission cable includes an insulation layer extending in a longitudinal direction of the differential signal transmission cable, a pair of signal lines extending in the longitudinal direction and buried inside the insulation layer, an intermediate layer covering an outer circumferential surface of the insulation layer, a shield, and catalyst particles. The shield includes an electroless plating layer covering an outer circumferential surface of the intermediate layer. The catalyst particles are dispersed between the intermediate layer and the electroless plating layer.

A redundant network system includes a compute node having a network interface card includes a node port. The redundant network system includes a primary switch having a primary switch component and a primary switch port coupled to the primary switch component. The redundant network system includes a secondary switch having a secondary switch component and a secondary switch port coupled to the secondary switch component. The redundant network system includes a cable assembly having a node connector coupled to the node port, a primary connector coupled to the primary switch port, and a secondary connector coupled to the secondary switch port. The cable assembly includes a signal splitting circuit between the node connector and the primary and secondary connectors. The cable assembly includes a first cable between the signal splitting circuit and the primary connector and a second cable between the signal splitting circuit and the secondary connector.

It is aimed to provide a communication cable which includes a solid sheath on an outer periphery of a signal cable having a plurality of insulated wires and in which transmission characteristics hardly decrease due to a pressure in extrusion-molding a sheath. A communication cable 1 is provided with a signal cable 10 including a plurality of insulated wires 11 each having a conductor 12 and an insulation coating 13 covering an outer periphery of the conductor 12, and a solid sheath 20 covering an outer periphery of the signal cable 10. A melt flow rate of a constituent material of the sheath 20 measured at 200° and with a load of 2.16 kg is 0.25 g/10 min. or more.

A composite cable is composed of plural electric power wires, a first twisted wire made by laying plural signal wires together, a second twisted wire disposed opposite the first twisted wire with the electric power wires between the first twisted wire and the second twisted wire, and a sheath formed over plural electric power wires, the first twisted wire, and the second twisted wire. The second twisted wire is made by laying plural electric wires including a grounding wire together. Each of the plural electric wires of the second twisted wire is composed of a conductor and an insulator formed over the conductor.

A data connector adapter includes a plug body having first and second plug connection ends, an electrically conductive plug shield and a contact carrier. The first and second plug connection ends respectively have first and second plug contact connection patterns for connecting first and second data connectors. The contact carrier is arranged between the plug connection ends and carries two first contacts and two second contacts respectively forming the first and second plug contact connection patterns. One of the first contacts in each case is electrically conductively connected to one of the second contacts via a contact connection section. The first and second contacts are surrounded at least in sections respectively by electrically insulating first and second carrier bodies having first and second dielectric constants ε.sub.R1, ε.sub.R2. Outer circumferential surfaces of the carrier bodies bear against an inner wall surface of the plug shield at least in sections.

A flexible flat cable includes a highly reflective member having a plate shape, light-transmitting signal transmission members spaced apart from each other on a first surface of the highly reflective member, conductive signal transmission members spaced apart from each other on the first surface of the highly reflective member, a highly reflective adhesive member that fixes the light-transmitting signal transmission members and the conductive signal transmission members to the highly reflective member, and couples the highly reflective member to a non-conductive member, the non-conductive member including a first surface in contact with the highly reflective adhesive member, and a second surface opposite to the first surface of the non-conductive member, an adhesive member that is disposed on the second surface of the non-conductive member, and couples an electrical shield member to the non-conductive member, and the electrical shield member coupled to the non-conductive member by the adhesive member.