CN107367810A - Flexible back bone formula MPO photoelectricity mixed packages optical cables and its production method - Google Patents
Flexible back bone formula MPO photoelectricity mixed packages optical cables and its production method Download PDFInfo
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- CN107367810A CN107367810A CN201710758574.9A CN201710758574A CN107367810A CN 107367810 A CN107367810 A CN 107367810A CN 201710758574 A CN201710758574 A CN 201710758574A CN 107367810 A CN107367810 A CN 107367810A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 123
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 37
- 230000005622 photoelectricity Effects 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000013307 optical fiber Substances 0.000 claims abstract description 50
- 239000003351 stiffener Substances 0.000 claims abstract description 22
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 21
- 208000002925 dental caries Diseases 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 229920002397 thermoplastic olefin Polymers 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000004043 dyeing Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 abstract description 11
- 238000004891 communication Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 230000003014 reinforcing effect Effects 0.000 description 2
- -1 skeleton Chamber Substances 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/441—Optical cables built up from sub-bundles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4407—Optical cables with internal fluted support member
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/449—Twisting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
Abstract
Flexible back bone formula MPO photoelectricity mixed packages optical cables, are related to technical field of optical fiber communication, including oversheath, the inter-stiffener that is arranged in the oversheath and multiple MPO optical cables subelements, multiple MPO optical cables subelements are distributed between inter-stiffener and oversheath;Each MPO optical cable subelements include:Subunit jacket, skeleton and optical fiber, the subunit jacket is uniformly separated into multiple cavitys by skeleton, optical fiber is arranged in multiple cavitys of subunit jacket, aramid fiber reinforcer is additionally provided with subunit jacket, aramid fiber reinforcer clad optical fiber, it has the advantages of easy subregion of optical cable, external diameter are small, in light weight, and density of optic fibre is high, capacity is big.
Description
Technical field
The present invention relates to technical field of optical fiber communication, and in particular to flexible back bone formula MPO photoelectricity mixed packages optical cables and its
Production method.
Background technology
Pillar communication pattern of the fiber optic communication as modern communication networks, in the infrastructure construction of information superhighway
Have the function that irreplaceable.MPO optical cables are multicore designs, the most frequently used for 12 cores, can have up to 48 cores.Flexible back bone formula
The compact design of MPO optical cables, make MPO fiber number Relatively centralizeds.And small volume, it is widely used in needing height in wiring process
In density integrated optical fiber line environment, high-performance MPO optical cables, because it has, core number is more, simple in construction, and it is convenient to link, Ke Yiji
The earth improves the popularization situation of optical-fiber network, simultaneously as its wiring density is high, cloth linear velocity is fast, can play reduces cost, carries
The effect of high wiring efficiency.The Chinese invention patent of Application No. 201710179286.8, it discloses one kind to include optical cable
The MPO optical cables of unit, including oversheath and the cable core in oversheath, cable core by periphery to center include aramid fiber enhancement layer and
Optical cable subelement in aramid fiber enhancement layer, aramid fiber enhancement layer include multiple aramid fiber reinforcing elements, multiple aramid fiber reinforcing elements
It is uniformly distributed in optical cable subelement periphery;Optical cable subelement includes restrictive coating and the more Naked optical fiber in restrictive coating;Sheath
Layer is made of the intermingling material that being easily peeled off, the peel strength between restrictive coating and Naked optical fiber in the range of 0.1-10N/mm,
The problem of it effectively overcomes aramid yarn and bare fibre easily to wind, and being easily peeled off, effectively improves wiring efficiency, but the MPO
There is optical cable to be not easy the big shortcoming such as low with density of optic fibre of subregion, external diameter for optical cable.
But with the quick startup of the video of web site contents and mobile Internet in recent years, Digital Radio content
The raising of mass memory and process demand, and the significantly lifting of disaster-tolerant backup demand, global data center market development will
Upper new development step is stepped, and the features such as competition globalization, service personalization are presented in market.Need of the enterprise for data center
Seek and require more and more higher.But cost consideration is based on, on the one hand substantial amounts of data need storage, management and use, another
Aspect must control the area of computer room again, therefore high-density deployment turns into user in the pass that planning and construction computer room have to consider
The parameter such as key factor, this density of optic fibre to communications optical cable, capacity proposes higher requirement, and traditional MPO optical cables are
Needs can not be met.
The content of the invention
It is an object of the invention to for deficiency of the prior art, and provide flexible back bone formula MPO photoelectricity mixed packages
The advantages of optical cable, it has, and the easy subregion of optical cable, external diameter are small, in light weight, and density of optic fibre is high, capacity is big, and greatly save cloth
Space of lines and overall wiring cost;The flexible back bone formula MPO photoelectricity mixed packages optical cable production methods are also provided simultaneously, are reached
To the purpose of the mass industrial production optical cable.
The purpose of the present invention is achieved through the following technical solutions:
Flexible back bone formula MPO photoelectricity mixed packages optical cables, including oversheath, be arranged in the oversheath among reinforcement
Part and multiple MPO optical cables subelements, multiple MPO optical cables subelements are distributed between inter-stiffener and oversheath;Each MPO light
Cable subelement includes:The subunit jacket is uniformly separated into multiple skies by subunit jacket, skeleton and optical fiber, skeleton
Chamber, optical fiber are arranged in multiple cavitys of subunit jacket, and aramid fiber reinforcer, aramid fiber reinforcer are additionally provided with subunit jacket
Clad optical fiber.
Wherein, oversheath and the subunit jacket are that low-smoke halogen-free flame-retardant thermoplastic polyolefin and thermoplastic polyurethane are answered
Sheath made of condensation material.
Wherein, subunit jacket is separated into symmetrical four cavitys by skeleton.
Wherein, the quantity of MPO optical cables subelement is four groups, and four groups of MPO optical cables subelements are uniformly distributed in middle reinforcement
Between part and oversheath.
Wherein, each subunit jacket includes 3 optical fiber, and flexible back bone formula MPO photoelectricity mixed packages optical cable is 48 cores
Boundling optical cable, and its a diameter of 6.5mm.
Wherein, each subunit jacket includes 12 optical fiber, and the flexible back bone formula MPO photoelectricity mixed packages optical cables are
192 core boundling optical cables, and its a diameter of 14.5mm.
The production method of flexible back bone formula MPO photoelectricity mixed packages optical cables, comprises the following steps:Step 1: will with skeleton
Subunit jacket is separated into some, optical fiber is arranged in into the cavity that the subunit jacket is separated into, in the subelement
Aramid fiber reinforcer is set in multiple cavitys that sheath is separated into, so as to form MPO optical cable subelements;Step 2: will be multiple described
MPO optical cable subelements are wound on inter-stiffener;It is Step 3: single in multiple MPO optical cables being wound on inter-stiffener
First outer setting oversheath.
Wherein, in step 1, in addition to optical cable dyeing process, the process dye a plurality of optical fiber incomplete same
Color.
Wherein, the winding method in step 2 is SZ articulations.
Flexible back bone formula MPO photoelectricity mixed packages optical cables, including oversheath, the inter-stiffener that is arranged in oversheath and
Multiple MPO optical cables subelements, multiple MPO optical cables subelements are distributed between inter-stiffener and oversheath;Each MPO light
Cable subelement includes:The subunit jacket is uniformly separated into multiple skies by subunit jacket, skeleton and optical fiber, skeleton
Chamber, copper are led unit and are arranged in multiple cavitys of subunit jacket, and aramid fiber reinforcer is additionally provided with subunit jacket, and aramid fiber adds
Strong part clad optical fiber.
Beneficial effects of the present invention:
The flexible back bone formula MPO photoelectricity mixed packages optical cables of the present invention, compared to the optical cable of existing structure, flexible back bone formula
The optical fiber of MPO photoelectricity mixed packages optical cables is by repeatedly packet coiling, and it is in flexible back bone formula MPO photoelectricity mixed packages optical cables
The branch in portion is more reasonable, and the volume ratio shared by base member does not significantly increase, and density of optic fibre is high, the optical cable of same diameter
Capacity just become big;Then the more existing optical cable of its weight is low for the optical cable of same capacity;Optical fiber in optical cable is single by MPO optical cables
Packet and the packet of multiple MPO optical cables subelements in itself in member so that it is more easy to optical fiber subregion.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not form any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is the overall structure diagram of the flexible back bone formula MPO photoelectricity mixed packages optical cables of the present invention.
Fig. 2 is the structural representation of the MPO optical cable subelements of the flexible back bone formula MPO photoelectricity mixed packages optical cables of the present invention
Reference in Fig. 1 and Fig. 2:
Oversheath 1;
Inter-stiffener 2;
MPO optical cables subelement 3, subunit jacket 31, skeleton 32, optical fiber 33, aramid fiber reinforcer 34, cavity 35.
Embodiment
The invention will be further described with the following Examples.
The offer flexible back bone formula MPO photoelectricity mixed packages optical cables of the present invention, as shown in Figure 1 to Figure 2, flexible back bone formula
MPO photoelectricity mixed packages optical cables, including oversheath 1, the inter-stiffener 2 that is arranged in oversheath 1 and four groups of MPO optical cables are single
Member 3, four groups of MPO optical cables subelements 3 are uniformly distributed between inter-stiffener 2 and oversheath 1;Each MPO optical cables subelement 3
Include:Subunit jacket 31 is uniformly separated into four cavitys by subunit jacket 31, skeleton 32 and optical fiber 33, skeleton 32
35, optical fiber 33 is arranged in multiple cavitys 35 of subunit jacket 31, and aramid fiber reinforcer 34 is additionally provided with subunit jacket 31,
The clad optical fiber 33 of aramid fiber reinforcer 34.Existing multicore MPO optical cables typically use the structure of multiple MPO optical cables subelements 3, multiple
MPO optical cables subelement 3 is distributed between inter-stiffener 2 and oversheath 1 to form a multicore MPO optical cable, and multiple MPO light
The inside of cable subelement 3 directly sets a plurality of optical fiber 33, although this multicore MPO optical cables solve to a certain extent synthetic fibre yarn with
The problem of bare fibre 33 is easily wound, and with the advantages of being easily peeled off, but when number of fibers reaches certain amount, such as
192 core boundling optical cables, the multicore MPO optical cables of the existing structure of use, if MPO optical cables subelement 3 is very few, in single MPO light
The quantity of cable subelement 3 can be a lot, it is difficult to coiling;If MPO optical cables subelement 3 is excessive, its base member needed
Diameter can greatly improve so that the part of non-optical fiber 33 of whole piece optical cable greatly improves, can be big for the strength demand of external sheath layer
Big lifting so that the density of optical fiber 33 is low, and the capacity of the optical cable of same diameter just diminishes, and excessive MPO optical cables subelement 3 makes
Obtain the pressure suffered by the external sheath layer of holding them to greatly increase, thus the strength demand of external sheath layer also greatly promoted,
So that the manufacturing difficulty of optical cable improves, yield rate reduces.When in face of this problem, prior art faces this and awkward picked out
Select.The formula MPO photoelectricity mixed packages optical cables of flexible back bone 32 of the application, each MPO optical cables subelement 3 include subunit jacket
31st, skeleton 32 and optical fiber 33;Multiple MPO optical cables subelements 3 are distributed between the inter-stiffener 2 and the oversheath 1, most
The formula MPO photoelectricity mixed packages optical cables of end form cost flexible skeleton 32, are first arranged on each MPO optical cables subelement by a plurality of optical fiber 33
In 3 multiple cavitys 35, MPO optical cables subelement 3 has just contained a plurality of optical fiber 33, then divides more MPO optical cables subelements 3
It is distributed between the inter-stiffener 2 and the oversheath 1, oversheath 1 in cladding, you can form the flexible back bone 32 of the application
Formula MPO photoelectricity mixed packages optical cables;The packet of a plurality of optical fiber 33 is turned to an optical fiber group, Duo Geguang by such a structure equivalent to first
Fibre group forms a MPO optical cables subelement 3, and multiple MPO optical cables subelements 3 form optical cable according still further to foregoing method.
Wherein, oversheath 1 and subunit jacket 31 are by low-smoke halogen-free flame-retardant thermoplastic polyolefin and thermoplastic polyurethane
Composite is made, and oversheath intensity made of such a material is high, cost is low and has certain flame retardant effect, substantially increases
The security of optical cable.
Wherein, when each subunit jacket 31 includes 3 optical fiber 33, the formula MPO photoelectricity mixed packages light of flexible back bone 32
Cable is 48 core boundling optical cables, and its a diameter of 6.5mm, 48 traditional core optical distribution cable external diameters are thick, reached 16.8mm;It is if each
12 optical fiber 33 are set in subunit jacket 31, then the formula MPO photoelectricity mixed packages optical cable of flexible back bone 32 is 192 core concentrated lights
Cable, its a diameter of 14.5mm, far smaller than using prior art 192 core optical cables diameter, have external diameter it is small, in light weight, light
The advantages of fine density is high, capacity is big, and the advantages of greatly save wiring space and overall wiring cost.
The industrial production of the formula MPO photoelectricity mixed packages optical cables of offer flexible back bone 32 of the present invention comprises the following steps:Step
Rapid one, subunit jacket 31 is separated into some with skeleton 32, a plurality of optical fiber 33 is dyed into incomplete same color, will
Optical fiber 33 is arranged in the cavity 35 that subunit jacket 31 is separated into, and is set in multiple cavitys 35 that subunit jacket 31 is separated into
Aramid fiber reinforcer 34, so as to form MPO optical cables subelement 3;Step 2: using SZ articulations by multiple coilings of MPO optical cables subelement 3
On inter-stiffener 2;Step 3: oversheath is set outside multiple MPO optical cables subelements 3 being wound on inter-stiffener 2
1.Wherein, a plurality of optical fiber 33 is dyed into the differentiation and packet that incomplete same color is easy to optical fiber 33, SZ articulations be first
Adopted on words cable process production line by people, find that it is compared compared to traditional stranding method by long-term use, SZ is twisted
System improves production efficiency, reduces production cost, is now introduced into the manufacturing process of optical cable, can equally serve raising
The production efficiency of optical cable process.
At the same time, needed depending on wiring occasion, list is led in the formula MPO photoelectricity mixed packages optical cable available coppers of this flexible back bone 32
Member substitutes optical fiber 33, meets the demands such as light current transmission and signal transmission, it is identical with structure, and here is omitted.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
1. flexible back bone formula MPO photoelectricity mixed packages optical cables, it is characterised in that:Including oversheath, it is arranged in the oversheath
Inter-stiffener and multiple MPO optical cables subelements, the multiple MPO optical cables subelement be distributed in the inter-stiffener and institute
State between oversheath;Each MPO optical cables subelement includes:Subunit jacket, skeleton and optical fiber, the skeleton is by described in
Subunit jacket is uniformly separated into multiple cavitys, and optical fiber is arranged in multiple cavitys of the subunit jacket, subelement shield
Aramid fiber reinforcer is additionally provided with set, the aramid fiber reinforcer coats the optical fiber.
2. flexible back bone formula MPO photoelectricity mixed packages optical cables according to claim 1, it is characterised in that:The oversheath
It is sheath made of low-smoke halogen-free flame-retardant thermoplastic polyolefin and Thermoplastic polyurethane composite material with the subunit jacket.
3. flexible back bone formula MPO photoelectricity mixed packages optical cables according to claim 1, it is characterised in that:The skeleton will
The subunit jacket is separated into symmetrical four cavitys.
4. flexible back bone formula MPO photoelectricity mixed packages optical cables according to claim 1, it is characterised in that:The MPO optical cables
The quantity of subelement is four groups, and four groups of MPO optical cables subelement is uniformly distributed in the inter-stiffener and the outer shield
Between set.
5. flexible back bone formula MPO photoelectricity mixed packages optical cables according to claim 4, it is characterised in that:Each subelement
It is provided with 3 optical fiber in sheath, the flexible back bone formula MPO photoelectricity mixed packages optical cable is 48 core boundling optical cables, the 48 core collection
A diameter of 6.5mm of bundle cable.
6. flexible back bone formula MPO photoelectricity mixed packages optical cables according to claim 4, it is characterised in that:Each subelement
It is provided with 12 optical fiber in sheath, the flexible back bone formula MPO photoelectricity mixed packages optical cable is 192 core boundling optical cables, 192 core boundlings
A diameter of 14.5mm of optical cable.
7. the production method of flexible back bone formula MPO photoelectricity mixed packages optical cables, it is characterised in that:Comprise the following steps:Step 1:
Subunit jacket is separated into multiple cavitys with skeleton, optical fiber is arranged in multiple cavitys that the subunit jacket is separated into out
It is interior, aramid fiber reinforcer is set between the multiple cavitys and optical fiber that the subunit jacket is separated into, so as to form MPO optical cables
Unit;Step 2: multiple MPO optical cables subelements are wound on the inter-stiffener;Step 3: it is wound on multiple
Oversheath is set outside MPO optical cables subelement on inter-stiffener.
8. the production method of flexible back bone formula MPO photoelectricity mixed packages optical cables according to claim 7, it is characterised in that:
In the step 1, in addition to a plurality of optical fiber is dyed incomplete same color by optical cable dyeing process, the process.
9. the production method of flexible back bone formula MPO photoelectricity mixed packages optical cables according to claim 7, it is characterised in that:
Winding method in step 2 is SZ articulations.
10. flexible back bone formula MPO photoelectricity mixed packages optical cables, it is characterised in that:Including oversheath, it is arranged in the oversheath
Inter-stiffener and multiple MPO optical cables subelements, the multiple MPO optical cables subelement be distributed in the inter-stiffener and institute
State between oversheath;Each MPO optical cables subelement includes:Subunit jacket, skeleton and optical fiber, the skeleton is by described in
Subunit jacket is uniformly separated into multiple cavitys, and copper is led unit and is arranged in multiple cavitys of the subunit jacket, and son is single
Aramid fiber reinforcer is additionally provided with first sheath, the aramid fiber reinforcer coats the optical fiber.
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