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NC-1000 -
installation manual
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The colour coding system of the pigtail cable is as follows:
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Fibre tubes:
○
- 24 fibre cable: blue, red
- 48 fibre cable: blue, white, yellow, red
Fibres:
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No. 1 blue
No. 7 red
No. 2 orange
No. 8 black
No. 3 green
No. 9 yellow
No. 4 brown
No. 10 violet
No. 5 grey
No. 11 pink
No. 6 white
No. 12 aqua (turquoise)
The main installation properties of the pigtail cable are as follows:
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Bending radius:
min. 120 mm
○
Pulling force:
1000 N
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Temperature range
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- Installation:
min. -15 - +70˚C
- Operation:
-40 - +70˚C
5.1.9 Preparing the pigtail cable for splicing
Remove the pigtail cable from the management hooks of the inner frame.
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Cut the sheath at the point of the cutting mark.
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Remove the sheath at the length of about 10 cm from the cable end and find the rip cord.
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Split the cable sheath by using the rip cord and remove the sheath.
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Cut all the binding yarns, tapes, fillers and the central element at the point where the cable sheath was
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cut.
Fasten the end of the cable sheath with nylon ties to the side of the splice tray which is opposite to the
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side where the fibre tubes of the outdoor cable are fastened.
Cut the fibre tubes at the distance of about 10 cm from the point where the sheath was cut and clean
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the fibres from the filling compound.
Note. Try first the stripping of the fibre tubes before the actual work to make sure that you have a
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suitable stripping tool and the tool has the right adjustments. A wrong tool or a wrong adjustments
of the tool can cause damages or even cut the fibres.
5.1.7 Bringing of pigtail cables for splicing
Bring the pigtail cable to its splice tray loosely below the splice tray and from the front side
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(seen from the front).
Make a cutting marks on the cable to such lengths that the sheath length on the splice tray
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is about 30 mm and the fibre length is at least 110 cm. If using Nestor NC-48 splice tray
the fibre lengths shall be about 120 cm.
Cut away the extra length from the pigtail cable.
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Remove the splice tray from the splice tray holder and set it on the splicing table.
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5.1.8 Construction, colour coding and the main properties of the pigtail cable
The construction and materials of the pigtail cable is described in the picture below.
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Loose buffer tube with 12 colour coded singlemode
fibres and filling compound.
Dry cable core.
Central element (FRP)
Filler
Swellable tape
Rip cord
Black UV-resistant outer jacket, FRNC,
od. 7,5 mm
