An optical fiber cable includes: optical fiber units obtained by collecting a plurality of optical fiber ribbons in which a plurality of optical fibers are arranged in parallel; and a slot rod including a plurality of slot grooves formed in a spiral shape in order to store the optical fiber units. The optical fiber units are stranded in a longitudinal direction of the optical fiber cable in a state in which the optical fiber ribbons are not twisted, and the optical fiber units are stored in the longitudinal direction of the optical fiber cable in a state of being untwisted stranding in the slot grooves.

A fiber optic cable assembly includes a fiber optic cable and a fiber optic connector. The fiber optic cable has an outer surface that includes a plurality of annular grooves spaced apart from one another in an axial direction of the fiber optic cable, and a plurality of axial grooves that extend in the axial direction. The plurality of axial grooves being spaced apart from one another in a circumferential direction of the fiber optic cable, the plurality of axial grooves are configured to divide the outer surface in a circumferential direction of the linear member into separate section, the separate sections are configured to hinge against each other such that the linear member is bendable to a predetermined bend radius, the fiber optic connector includes an axial ridge configured to be received by one of the plurality of axial grooves, and cooperative engagement between the axial ridge of the fiber optic connector and the one of the plurality of axial grooves of the fiber optic cable prevents rotation of the fiber optic cable relative to the fiber optic connector.

A slot type optical cable includes: an optical fiber; a slot rod that includes a plurality of ribs forming a groove in which the optical fiber is accommodatable; and a cable jacket that is provided around the slot rod. The cable jacket includes a sheath portion that is formed around the slot rod at substantially the same thickness by linearly connecting outermost peripheral edges of adjacent ribs

A slot rod having a plurality of grooves for storing a plurality of optical fibers, a first layer disposed at a center of the slot rod, a second layer provided on an outer peripheral portion of the first layer, a third layer provided on an outer peripheral portion of the second layer, and an outermost layer provided on an outer peripheral portion of the third layer, and the third layer is formed of a material having higher adhesiveness to the outermost layer than a material in a case where the third layer is formed of the same material as the outermost layer.

Provided is an optical fiber cable whereby macrobend loss can be suppressed even when ribbons are mounted at high density in grooves. An optical fiber cable provided with optical units in which ribbons each having a plurality of optical fiber cores arranged in parallel are collected, a slot rod having a plurality of grooves for accommodating optical units, a tension member on which tension is applied, and a cable jacket for covering the outside of the slot rod. Each of the optical units is accommodated in the corresponding groove in a stranded state, and the occupancy of the optical units calculated from the cross-sectional area of the optical units with respect to the cross-sectional area of the groove is 25% to 65%.

An optical fiber cable includes optical fiber ribbons of no less than 12, a slot rod including slot grooves in which the optical fiber ribbons are housed, a tension member, and a cable sheath. The optical fiber ribbons include, at a part of or through all of the optical fiber core wires, in a state where the optical fiber core wires are arranged in parallel, a connecting part where adjacent optical fiber core wires are connected and a non-connecting part where adjacent optical fiber core wires are not connected, which are provided intermittently in a longitudinal direction. A relationship between the number x of the optical fiber core wires housed in the optical fiber cable and flexural rigidity y (N.Math.mm.sup.2) of the optical fiber cable satisfies following Expression 1.
y3e.sup.0.0006x(Expression 1)

A deployable fiber optic cable for pairing with a connector, the cable including a plurality of partially bonded ribbon fibers each being sized and configured to be rolled into a circular cross section; an elongate member forming a slotted core including a plurality of rounded slots for longitudinally surrounding the circular cross sections of a corresponding plurality of the plurality of partially bonded ribbon fibers; a plurality of rugged fiber tubes each located adjacent a corresponding one of the plurality of slots and wherein each of the plurality of rugged fiber tubes longitudinally surround a corresponding plurality of the plurality of partially bonded ribbon fibers; a plurality of water-blocking yarn members each surrounding a corresponding one of the plurality of rugged fiber tubes; a rugged outer jacket; and a yarn strength member located between the rugged outer jacket and the slotted core.

An optical fiber cable includes optical fiber ribbons of no less than 12, a slot rod including slot grooves in which the optical fiber ribbons are housed, a tension member, and a cable sheath. The optical fiber ribbons include, at a part of or through all of the optical fiber core wires, in a state where the optical fiber core wires are arranged in parallel, a connecting part where adjacent optical fiber core wires are connected and a non-connecting part where adjacent optical fiber core wires are not connected, which are provided intermittently in a longitudinal direction. A relationship between the number x of the optical fiber core wires housed in the optical fiber cable and flexural rigidity y (N.Math.mm.sup.2) of the optical fiber cable satisfies following Expression 1.

y3e.sup.0.0006x (Expression 1)

Provided is an optical fiber cable whereby macrobend loss can be suppressed even when ribbons are mounted at high density in grooves. An optical fiber cable provided with optical units in which ribbons each having a plurality of optical fiber cores arranged in parallel are collected, a slot rod having a plurality of grooves for accommodating optical units, a tension member on which tension is applied, and a cable jacket for covering the outside of the slot rod. Each of the optical units is accommodated in the corresponding groove in a stranded state, and the occupancy of the optical units calculated from the cross-sectional area of the optical units with respect to the cross-sectional area of the groove is 25% to 65%.

A fiber optic cable includes an outer surface, an axial groove and an additional annular groove. The outer surface includes an annular groove. The axial groove that extends in an axial direction of the fiber optic cable. The additional annular groove is configured to separates sections of the outer surface. The axial groove is configured to be gripped by a connector to prevent rotation of the fiber optic cable relative to the connector. The separate sections are configured to hinge against each other such that the fiber optic cable is bendable to a predetermined bend radius.