GDVV 2G.657A2 (Bow-type) +2×1.5mm^2 Optical hybrid cable specification

Description

1cross section

2 Cable structure and size

Table 1 Cable structure and size

Item			Unit	Value
FTTH drop cable	Fiber		/	G657.a2 red
	Strength member		/	Steel with glue
	Strength member size (steel wire/glue coating)		mm	0.43/0.48 (±0.02)
	Drop cable size		mm	2.1(±0.1)*1.6(±0.1)
	Drop cable sheath		/	LSZH    Blue, yellow
Power cable	Conductor structure		/	30/0.25±0.01mm
	Insulation	Material	/	PVC （red,blue）
		Nominal thickness	mm	0.70
		Minimum thickness	mm	0.53
		Insulation outer diameter	mm	3.1±0.3
Outer sheath		Material	/	PVC    Black
		Nominal thickness of sheath	mm	1.0
		Minimum thickness of sheath	mm	0.8
		Finished outer diameter	mm	9.0±0.3
reference weight			kg/km	118

3     Performance requirements of optical and electrical hybrid cables

Table 2.Transmission requirements

Item	Details	Requirements
Attenuation coefficient	Maximum value at 1310nm	0.4 dB/km

	Maximum value at 1550nm	0.3 dB/km
Cutoff wavelength		≤1260nm

Table 3.Electrical requirements

Rated voltage	V	300/500
Minimum bending radius	mm	90
Pressure test	2.0kV AC,5min	No breakdown

Table 4. Temperature requirements and others

Operating temperature	-40℃~90℃
Minimum installation temperature	-20℃
Storage and transportation temperature	-40℃~60℃
Application scenario	Indoor&Outdoor
Design life	≥15 years
Guideline	IEC 60794,IEC 60332-1, IEC 60332-3

4 Mechanical & Environmental Requirements for drop cables

No	Item	Test Specification	Test Method	Specification
1	Tensile strength Test	IEC 60794-1-2-E1	Sample length: No less than 50 metersLoad: 0.5*Cable weightDuration time:1 minute	Fiber strain:≤0.4%Additional attenuation:≤0.15dB No damage to cable elements
2	Crush Test	IEC 60794-1-2-E3	Load: 450 N/10cmDuration time: 1 minuteTest number: 3	Additional attenuation:≤0.05dB after testNo damage to cable elements
3	Impact Test	IEC 60794-1-2-E4	Impact energy: 1JRadius: 300mmImpact points: 3Impact number: 1	Additional attenuation:≤0.05dB after testNo damage to cable elements
4	Repeated Bending	IEC 60794-1-2-E6	Bending radius: 20 X diameter of cableCycles:25 cycles	Additional attenuation:≤0.05dB after testNo damage to cable elements
5	Torsion/Twist Test	IEC 60794-1-2-E7	Sample length: 1mAngles: ±180 degreeCycles: 5	Additional attenuation:≤0.05dB after testNo damage to cable elements
6	Bending Test	IEC60794-1-2-E11B	Mandrel diameter: 20 X diameter of cableTurn number: 4Number ofcycles: 3 cycles	Additional attenuation:≤0.05dB After testNo damage to outer jacket and inner elements
7	Waterpenetration Test	IEC 60794-1-2-F5	Height of water column 1m Sample length 3mTest time 24 hours	No water leakage from the opposite of the sample

8

Temperature cycling Test

IEC 60794-1-2-F1

Temperature step: +20°C ^-20°C ^+70°C^+20°CTime per each step: 12 hoursCycles: 2

Attenuation variation for referencevalue (the attenuation to bemeasured before test at +20±3°C) ≤0.15dB/km（1550nm）No damage to outer jacket and inner elements

No	Item	Test Specification	Test Method	Specification
1	Tensile strength Test	IEC 60794-1-2-E1	Sample length: No less than 50 metersLoad: 0.5*Cable weightDuration time:1 minute	Fiber strain:≤0.4%Additional attenuation:≤0.15dB No damage to cable elements
2	Crush Test	IEC 60794-1-2-E3	Load: 450 N/10cmDuration time: 1 minuteTest number: 3	Additional attenuation:≤0.05dB after testNo damage to cable elements
3	Impact Test	IEC 60794-1-2-E4	Impact energy: 1JRadius: 300mmImpact points: 3Impact number: 1	Additional attenuation:≤0.05dB after testNo damage to cable elements
4	Repeated Bending	IEC 60794-1-2-E6	Bending radius: 20 X diameter of cableCycles:25 cycles	Additional attenuation:≤0.05dB after testNo damage to cable elements
5	Torsion/Twist Test	IEC 60794-1-2-E7	Sample length: 1mAngles: ±180 degreeCycles: 5	Additional attenuation:≤0.05dB after testNo damage to cable elements
6	Bending Test	IEC60794-1-2-E11B	Mandrel diameter: 20 X diameter of cableTurn number: 4Number ofcycles: 3 cycles	Additional attenuation:≤0.05dB After testNo damage to outer jacket and inner elements
7	Waterpenetration Test	IEC 60794-1-2-F5	Height of water column 1m Sample length 3mTest time 24 hours	No water leakage from the opposite of the sample

8

Temperature cycling Test

IEC 60794-1-2-F1

Temperature step: +20°C ^-20°C ^+70°C^+20°CTime per each step: 12 hoursCycles: 2

Attenuation variation for referencevalue (the attenuation to bemeasured before test at +20±3°C) ≤0.15dB/km（1550nm）No damage to outer jacket and inner elements

No	Item	Test Specification	Test Method	Specification
1	Tensile strength Test	IEC 60794-1-2-E1	Sample length: No less than 50 metersLoad: 0.5*Cable weightDuration time:1 minute	Fiber strain:≤0.4%Additional attenuation:≤0.15dB No damage to cable elements
2	Crush Test	IEC 60794-1-2-E3	Load: 450 N/10cmDuration time: 1 minuteTest number: 3	Additional attenuation:≤0.05dB after testNo damage to cable elements
3	Impact Test	IEC 60794-1-2-E4	Impact energy: 1JRadius: 300mmImpact points: 3Impact number: 1	Additional attenuation:≤0.05dB after testNo damage to cable elements
4	Repeated Bending	IEC 60794-1-2-E6	Bending radius: 20 X diameter of cableCycles:25 cycles	Additional attenuation:≤0.05dB after testNo damage to cable elements
5	Torsion/Twist Test	IEC 60794-1-2-E7	Sample length: 1mAngles: ±180 degreeCycles: 5	Additional attenuation:≤0.05dB after testNo damage to cable elements
6	Bending Test	IEC60794-1-2-E11B	Mandrel diameter: 20 X diameter of cableTurn number: 4Number ofcycles: 3 cycles	Additional attenuation:≤0.05dB After testNo damage to outer jacket and inner elements
7	Waterpenetration Test	IEC 60794-1-2-F5	Height of water column 1m Sample length 3mTest time 24 hours	No water leakage from the opposite of the sample

8

Temperature cycling Test

IEC 60794-1-2-F1

Temperature step: +20°C ^-20°C ^+70°C^+20°CTime per each step: 12 hoursCycles: 2

Attenuation variation for referencevalue (the attenuation to bemeasured before test at +20±3°C) ≤0.15dB/km（1550nm）No damage to outer jacket and inner elements

No	Item	Test Specification	Test Method	Specification
1	Tensile strength Test	IEC 60794-1-2-E1	Sample length: No less than 50 metersLoad: 0.5*Cable weightDuration time:1 minute	Fiber strain:≤0.4%Additional attenuation:≤0.15dB No damage to cable elements
2	Crush Test	IEC 60794-1-2-E3	Load: 450 N/10cmDuration time: 1 minuteTest number: 3	Additional attenuation:≤0.05dB after testNo damage to cable elements
3	Impact Test	IEC 60794-1-2-E4	Impact energy: 1JRadius: 300mmImpact points: 3Impact number: 1	Additional attenuation:≤0.05dB after testNo damage to cable elements
4	Repeated Bending	IEC 60794-1-2-E6	Bending radius: 20 X diameter of cableCycles:25 cycles	Additional attenuation:≤0.05dB after testNo damage to cable elements
5	Torsion/Twist Test	IEC 60794-1-2-E7	Sample length: 1mAngles: ±180 degreeCycles: 5	Additional attenuation:≤0.05dB after testNo damage to cable elements
6	Bending Test	IEC60794-1-2-E11B	Mandrel diameter: 20 X diameter of cableTurn number: 4Number ofcycles: 3 cycles	Additional attenuation:≤0.05dB After testNo damage to outer jacket and inner elements
7	Waterpenetration Test	IEC 60794-1-2-F5	Height of water column 1m Sample length 3mTest time 24 hours	No water leakage from the opposite of the sample

8

Temperature cycling Test

IEC 60794-1-2-F1

Temperature step: +20°C ^-20°C ^+70°C^+20°CTime per each step: 12 hoursCycles: 2

Attenuation variation for referencevalue (the attenuation to bemeasured before test at +20±3°C) ≤0.15dB/km（1550nm）No damage to outer jacket and inner elements

5 Flame retardant requirements

Item	Unit	Technical Requirements
Cable flame test	–	IEC 60332-1, IEC 60332-3-24