Fibre Type 

G.657.A1, G.657.A2, OM2, OM3, OM4

Fibre colour

Blue, Orange, Green, Brown, Grey, White, Red, Black, Yellow, Violet, Pink, Aqua

Filling compound

Low-viscosity filling compound

Outer jacket

Low friction plastic

Cable colour 

Yellow

Number of fibres

2

4

6

8

12

241)

Nominal outer diameter (mm)

1.65 ± 0.05

1.65 ± 0.05

2.0 ± 0.1

2.35 ± 0.1

2.35 ± 0.1

2.6 ± 0.1

Calc. cable weight (kg/km)

2.2

2.2

3.5

4.7

4.8

6.2

Short-term tensile strength (N)

25

25

40

40

40

40

IEC 60794-1-101

Crush resistance (N/100 mm)

20

20

50

50

50

50

IEC 60794-1-103

Min. bend radius (mm)

30

30

35

35

35

45

IEC 60794-1-111

Operating temperature range (°C)

-20 to +60

IEC 60794-1-201

Storage temperature range (°C)

-20 to +70

IEC 60794-1-201

Installation temperature range (°C)

-5 to +50 1)

IEC 60794-1-201

Water tightness (1 m / 24 hrs.) 

No leakage

IEC 60794-1-205

Class of fire reaction

Fca

EN 50575, EN 13501-6

1) Optimal temperature for blowing is between +5°C and +30°C.   

2) G.657.A1 200 µm fibres only

Number of Fibers

Cable Code (Ordering Code)

Delivery length, Packing

2

OPK-O-CTFB-2(1x1.6)LTB-xx-YE

4200 m ± 5% on plywood reel

4

OPK-O-CTFB-4(1x1.6)LTB-xx-YE

4200 m ± 5% on plywood reel

6

OPK-O-CTFB-6(1x2.0)LTB-xx-YE

4200 m ± 5% on plywood reel

8

OPK-O-CTFB-8(1x2.3)LTB-xx-YE

4200 m ± 5% on plywood reel

12

OPK-O-CTFB-12(1x2.3)LTB-xx-YE

4200 m ± 5% on plywood reel

24

OPK-O-CTFB-24(1x2.6)LTB-200A1-YE

4200 m ± 5% on plywood reel

xx – fibre type (see Cable code datasheet)

Attenuation SMF (dB/km)

Attenuation MMF (dB/km)

1310 nm

1550 nm

850 nm

1300 nm

≤ 0.40

≤ 0.30

≤ 3.5

≤ 1.5