CT2242 Outdoor Single Mode Armoured

Application

The CT2242 Outdoor Single Mode Armoured cables are designed for long distance telecom links on optical fi bres along railway tracks. The cables are suitable for installation directly in channels or buried.

Standards

SNCF CT 2242.6.1

Construction

Fibres
Singlemode optical fibres G652 coloured (6 or 12 per tube).

Central Strength Member
Non-metallic central reinforcement (FRP).

Tube
PBT polyester tubes containing fibres.

Filling
Petroleum jelly with water-swelling yarns to provide longitudinal watertightness.

Inner Sheath
Low density polyethylene.

Armour
0.25mm thick corrugated steel tape armour.

Outer Sheath
Low density polyethylene.

Electrical Characteristics at 20℃

Maximum Attenuation		G652
@1310nm	dB/km	0.35
@1550nm	dB/km	0.22
Maximum Chromatic Dispersion
Between 1260 and 1360nm	ps/(nm/km)	3.5
Between 1530 and 1565nm	ps/(nm/km)	19
Zero Dispersion Wavelength	nm	1310±11
Zero Dispersion Slope	ps/(nm2.km)	0.09
Numerical Aperture		0.14
Point discontinuity	dB	0.1
PMD (individual fi ber)	ps/km	0.2
Maximum Cutoff Wavelength	nm	1260
Cladding Diameter	um	125±1
Core/Cladding Concentricity Error	um	≤0.5
Cladding Non Circularity	%	≤1
Coating Non Circularity	%	≤6
Proof Test Level	Kpsi (GN/m2)	100 (0.7)
Crush Resistance	N/cm	450
Maximum Laying Tension	N	3000

Mechanical and Thermal Properties

Minimum Bending Radius: 310mm.
Temperature Range: -40℃ to +70℃ (during operation); -10℃ +70℃ (during installation)

Dimensions And Weight

Cable Code	No. of fibres	Nominal Sheath Thickness mm	Nominal Overall Diameter mm	Nominal Weight kg/km
RO2242-ML-C-9-Tn×Fn-SR-2Y(STA)2Y	1-36	1.5	14.5	260
RO2242-ML-C-9-Tn×Fn-SR-2Y(STA)2Y	48-72	1.5	16.5	300
RO2242-ML-C-9-Tn×Fn-SR-2Y(STA)2Y	80-144	1.5	22.0	510