caledonian table of contents tight buffer pvc/lszh jacketed simplex duplex cord tight buffer distribution pvc/lszh jacketed cable tight buffer breakout pvc/lszh jacketed cable central loose tube cable multi loose tube cable central loose tube under water cable multi loose tube under water cable fig8 self-supporting cable central loose tube ribbon fiber cable multi loose tube ribbon fiber cable all dielectric self-supporting adss cable overhead power ground wire opgw fiber cable ordering information ordering options optical geometrical properties for single mode fibers optical geometrical properties for multimode fibers testing method for optical geometrical properties of fiber mechanical environmental properties for single mode fiber mechanical environmental properties for multi mode fiber testing method for mechanical environmental properties of fiber
|
tight buffer distribution pvc/lszh jacketed cable application breakout cable is designed for routing to different locations and direct termination of fibers in the field the cable is mostly suitable for pre-terminated cable assemblies description the cable contains 2 to 36 fibers which are individually buffered tight or semi-tight construction each fiber is individually protected in a mini cable aramid yarn will be applied either inside the mini cable or within the inner jacket of the cable the color coded mini cable may be stranded around a central strength member which can be either frp or flexible all-dielectric outer jacket may be pvc or lszh fiber optic cables construction physical properties fiber count 2 6 12 24 nominal weight kg/km 50.0 110.0 160.0 230.0 nominal weight lb/kft 33.56 73.83 107.38 154.36 nominal outer diameter mm 5.5 12.5 13.0 15.5 nominal outer diameter in 0.217 0.493 0.512 0.611 maximum pulling load installation n/lb 1200/270 2000/450 3515/790 5470/1230 in servi
|
multi loose tube cable application the multi loose tube non metallic cable is designed for outside plant which is prone to electrical interference description the cable consists of 5 to 36 fibers containing tubes or fillers stranded in up to 3 layers around a central strength member and bound under a pe jacket each tube contains 4 -12 fibers solid or stranded steel wire coated with polyethylene is usually used as central strength member fiber glass reinforced plastics frp will be used as central strength member if non metallic construction is required either aramid yarn or fiber glass is wound around the tube to provide physical protection and tensile strength the cable can be jacketed with either pe pvc or lszh though pe is the preferred option for water protection purpose for direct burial steel wire armour or corrugated steel tape armour is applied with an optional inner jacket of either pvc or pe an aluminium moisture tape can be incorporated under the jacket for water blocking and
|
central loose tube under water cable mechanical properties minimum bending radius under installation 20 od during operation 10 od for unarmoured cables 20 od for armoured cables temperature range operating temperature range -40 40 to +70 158 storage temperature range -50 58 to +70 158 maximum compressive load:3000n repeated impact 4.4 n.m j twist torsion 180 10 times 125 od cyclic flexing 25 cycles for armoured cables 100cycles for unarmoured cables crush resistance 263n/cm150lb/in fiber compliance fiber optic cables temperature cycling tensile strength crush impact repeated bending torsion kink cable bend cool bend iec60794-1-2-f2 iec60794-1-2-e1a iec60794-1-2-e3 iec60794-1-2-e4 iec60794-1-2-e6 iec60794-1-2-e7 iec60794-1-2-e10 iec60794-1-2-e11 iec60794-1-2-e11 safety compliance general purpose grade riser grade plenum grade frpvc grade lszh grade lsfroh grade flammability test ofnul1581 flammability test ofnr/ft4 ul1666 flammability test ofnp/ft6ul 910 flammability test iec6
|
fig8 self-supporting cable mechanical properties minimum bending radius under installation during operation maximum compressive load:4000n for unarmoured cables 20×od 6000n for armoured cables 10×od for unarmoured cables repeated impact 4.4 n.m j 20×od for armoured cables twist torsion 180×10 times 125×od temperature range cyclic flexing 25 cycles for armoured cables 100 cycles for unarmoured cables operating temperature range -40 40 to +70 158 storage temperature range -50 58 to +50 158 crush resistance 220n/cm 125lb/in fiber optic cables fiber compliance temperature cycling tensile strength crush impact iec60794-1-2-f2 iec60794-1-2-e1a iec60794-1-2-e3 iec60794-1-2-e4 repeated bending torsion kink cable bend cool bend iec60794-1-2-e6 iec60794-1-2-e7 iec60794-1-2-e10 iec60794-1-2-e11 iec60794-1-2-e11 safety compliance general purpose grade riser grade plenum grade frpvc grade lszh grade lsfroh grade flammability test ofnul1581 flammability test ofnr/ft4 ul1666 flammability te
|
multi loose tube ribbon fiber cable physical properties fiber count nominal weight kg/km 195.0 320.0 400.0 nominal weight lb/kft 130.87 214.77 268.46 nominal outer nominal outer maximum pulling/tensile load diameter diameter installation operating mm in n/lb n/lb 18.5 22.0 24.5 0.727 0.865 0.963 2670/600 2670/600 2670/600 890/200 890/200 890/200 12-96 108-288 fiber optic cables 288-648 construction armoured type physical properties fiber count nominal weight kg/km nominal weight lb/kft nominal outer nominal outer diameter diameter mm in maximum pulling/tensile load installation n/lb 2670/600 2670/600 2670/600 operating n/lb 890/200 890/200 890/200 12-96 108-288 288-648 280.0 400.0 500.0 187.92 268.46 335.57 22.5 25.0 29.0 0.885 0.983 1.141 26
|
overhead power ground wire opgw fiber cable mechanical properties minimum bend radius under installation during operation 20×od 10×od for unarmoured cables 20×od for armoured cables temperature range operating temperature range -40 40 to +70 158 storage temperature range -50 58 to +70 158 maximum compressive load:4000n for unarmoured cables 6000n for armoured cables repeated impact 4.4 n.m j twist torsion cyclic flexing 180×10 times 125×od 25 cycles for armoured cables 100 cycles for unarmoured cables crush resistance 220n/cm 125lb/in fiber optic cables fiber compliance temperature cycling tensile strength crush impact iec60794-1-2-f2 iec60794-1-2-e1a iec60794-1-2-e3 iec60794-1-2-e4 repeated bending torsion kink cable bend cool bend iec60794-1-2-e6 iec60794-1-2-e7 iec60794-1-2-e10 iec60794-1-2-e11 iec60794-1-2-e11 standard compliance ieee 1138-1994 features · colored coded fibers and binders for quick and easy identification during installation · compact design results in exc
|
ordering information 7 non-zero dispersion shifted in order to overcome the defects of g652 and g655 optical fibers single mode fiber per g.656 g656 fiber is developed g656 fibers are designed for use in nzdsf long haul transmission system and metro network cwdm and dwdm can also be applied on s+c+l bands with these types fiber these fibers are manufactured by pcvd process the minimum dispersion value from 1460nm to 1625nm is greater than 2ps/nm km the maximum value is less than 14ps/nm km the effective area at 1550nm is around 52 to 66m the excellent polarization mode dispersion properties help the fiber to meet the requirement of high bit rate transmission the pmd co efficiency of these fibers is less 0.05 ps/km by use of improved pcvd process excellent attenuation of these fibers was obtained the water peak around 1385nm is almost removed attenuation from 1310nm to 1650nm is less than 0.4 db/km attenuation at 1550nm is less than 0.22db/km excellent attenuation performance will help
|
ordering options multi loose tube cable ccl-fc-mla-b-c×d-e-f-g-h×i-j-k-l a loose tube diameter b=2.1mm c=2.5mm d=2.8mm e=3.0mm f=3.2mm b fiber type 0=fiber and copper conductors in cable 4=50/125 multi-mode fiber om3 per itu-t g.651 5=50/125 multi-mode fiber om2 per itu-t g.651 6=62.5/125 multi-mode fiber om1 per itu-t g.651 7=nzds sm fiber per itu-t g.656 8=nzds sm fiber per itu-t g.655 9=standard sm fiber per itu-t g.652.d ended with r=ribbon type fiber ex 9r sm fiber per g.652.d ribbon type c no of tubes 1 to 36 d no of fibers per tubes 2 to 12 e central member s=solid steel sr=stranded steel f=fiber reinforced plastic frp f inner jacket options 2y=pe y=pvc h=lszh g armour options blank=no armour t=corrugated steel tape armour w=steel wire armour b=bronze armour d=fiber glass armour tw steel tape steel wire armour h jacket material options 2y=pe y=pvc h=lszh 11y=pu a=aluminium moisture barrier t=anti-termite protection i water-blocking options for cable core x=no water-blocking j
|
testing method for optical geometrical properties of fiber testing method for optical geometrical properties of fiber testing parameters parameter test method description fiber geometry is important where two fibers cores are to be joined together fiber geometry is measured to identify fiber mismatches which occur when manufacturer fails to maintain the optical and structural tolerances during the fiber fabrication process fiber mismatches will lead to fiber attenuation and intrinsic coupling loss eia/tia 455-176 introduces method to measure all key parameters of fiber cross sectional geometry except core diameter iec-60793-1-20 describes four methods for measuring fiber geometry namely refractive near field transverse interference near-field light distribution and mechanical diameter the following parameters are measured cladding diameter cladding non circularity core diameter core non circularity and core cladding concentricity error and theoretical numerical aperture iec 60793-1
|