FAQ on Cable Identification of Fiber Optic Cable

Fiber color code

No.	1	2	3	4	5	6
Color	Blue	Orange	Green	Brown	Gray	White
No.	7	8	9	10	11	12
Color	Red	Black	Yellow	Violet	Pink	Aqua

Loose tube (LT) & filler rod (FR) color code

Fibercount

Element no.

1

2

3

4

5

6

7

8

9

10

11

12

4

LT

FR

FR

FR

FR

6

LT

FR

FR

FR

FR

8

LT

LT

FR

FR

FR

12

LT

LT

FR

FR

FR

24

LT

LT

LT

LT

FR

48

LT

LT

LT

LT

FR

72

LT

LT

LT

LT

LT

LT

96

LT

LT

LT

LT

LT

LT

LT

LT

144

LT

LT

LT

LT

LT

LT

LT

LT

LT

LT

LT

LT

Cable Assembly & Dimensions

Item	Contents	Value
		4/6/8/12/24	48	72	96	144
Loose tube	Number	1/1/2/2/4	4	6	8	12
	Outer diameter (mm)	1.8	2.0	2.0	2.0	2.0
	Thickness(mm)	0.3
	Material	PBT
	Water blocking	Tube filling compound
Filler	Material	PP
	Number	4/4/3/3/1	1	0	0	0
Max. Fiber counts per tube	G.652D	6	12	12	12	12
Central strength member	Material	Steel wire
	Diameter (mm)	1.4	1.55	2.1	2.0	2.0
	PE layer diameter (mm)	—	–	–	3.5	6.1
Water blocking	Material	Water blocking jelly
Sheath	Material	HDPE
	Color	Black
	Thickness (mm)	1.6
Cable diameter(mm) Approx		9.0	9.6	10.1	11.5	14.1
Cable weight(kg/km) Approx.		80	90	110	135	185

Performance of Cabled Optical Fiber

The performance of cabled optical fiber (ITU-T Rec. G.652D)

Item	Specification
Fiber type	Single mode
Fiber material	Doped silica
Attenuation coefficient@ 1310 nm@ 1550 nm	£ 0.36 dB/km£ 0.22 dB/km
Cable cut-off wavelength	£ 1260 nm
Zero-dispersion wavelength	1300 ~ 1324 nm
Zero-dispersion slope	£ 0.092 ps/(nm2.km)
Chromatic dispersion@ 1288 ~ 1339 nm@ 1271 ~ 1360 nm@ 1550 nm@ 1625 nm	£3.5 ps/(nm. km)£5.3 ps/(nm. km)£18 ps/(nm. km)£22 ps/(nm. km)
PMD	£0.2 ps/km1/2
Mode field diameter @ 1310 nm	9.2±0.4 um
Core / Clad concentricity error	£ 0.6 um
Cladding diameter	125.0 ± 0.7 um
Cladding non-circularity	£1%
Primary coating diameter	245 ± 5 um

Performance of Optical Fiber Cable

Cable bending radius:

• 10 x cable diameter (static)
• 20 x cable diameter (dynamic)

Application temperature range

Operating temperature range	: -40oC to +70oC
Storage / Transport temperature range	: -40oC to +70oC
Installation temperature range	: -20oC to +60oC

Mechanical & environmental performance test

S/N	Item	Test Method	Acceptance Condition
1	Tensile StrengthIEC 794-1-E1	– Load: 1.5KN- Length of cable under load: 50 m- load time: ≥1min.	– Loss change £ 0.1 dB/km@1550 nm -No damage to outer jacket and inner elements.
2	Crush TestIEC 794-1-E3	– Load:1.0KN/100mm*100mm- Load time: ≥1min.	– Loss change £ 0.1 dB/km@1550 nm -No damage to outer jacket and inner elements.
3	Impact ResistanceIEC 794-1-E4	– Points of impact: 5-Times of per point: 1- Impact energy:4.5N.m- Radius of hammer head: 12.5mm- Impact rate: 2 sec/cycle	– Loss change £ 0.1 dB/km@1550 nm -No damage to outer jacket and inner elements.
4	Repeated BendingIEC 794-1-E6	– Bending radius: 20 x cable diameter- Load: 150 N- Flexing rate: 3 sec/cycle- No. of cycle: 30	– Loss change £ 0.1 dB/km@1550 nm -No damage to outer jacket and inner elements.
5	TorsionIEC 794-1-E7	– Length: 1 m- Load: 150 N- Twist rate: 1 min/cycle- Twist angle: ±180°- No. of cycle: 10	– Loss change £ 0.1 dB/km@1550 nm -No damage to outer jacket and inner elements.
6	Water Penetration TestIEC 794-1-F5B	– Height of water: 1 m- Sample length: 3 m- Test time: 24 hours	– No water shall have leaked from the opposite end of cable.
7	Temperature Cycling TestIEC 794-1-F1	– Temperature step:+20oC→-40oC→+70C →+20oC- Time per each step: 24 hours- Number of cycle: 2	– Loss change £ 0.1 dB/km@1550 nm- No fiber break and no sheath damage.
8	Compound FlowIEC 794-1-E14	– Sample length: 30 cm- Temp: 70°C ± 2°C- Time: 24 hours	– No compound flow

Packaging

• Each single cable length been wound on an iron stand-wooden composite or pure wooden drum.
• Standard drum length is 4000m with ±2%.
• Covered by plastic buffer sheet.
• Sealed by strong wooden battens.
• At least 3m of cable inner end should be reserved for testing.