Cấu trúc cáp quang phòng nổ MGTSV

No. of cable			4, 8, 12, 24 …
Fiber Model			G.652D
Design(StrengthMember+Tube)			1+5
Central Strength Member	Material		Steel Wire
	Diameter（±0.05）mm		1.4
Loose Tube	Material		PBT
	Diameter（±0.06）mm		1.72
	Thickness（±0.03）mm		0.30
	The Max.Core NO./Tube		4
	NO.		2
Filler Rope	Material		LDPE
	Diameter（±0.06）mm		1.7
	NO.		3
Water Blocking layer（Material）			Flooding Compound
Armoring	Material		Steel Tape
	Thickness（±0.05）mm		0.25
Inner Sheath	Material		HDPE
	Thickness（±0.2）mm		1.8
Outer Sheath	Material		CMR
	Thickness（±0.2）mm		1.0
Cable Diameter（±0.2）mm			11.0
Cable Wetght（±10）kg/km			140
Min. bending radius		Without Tension	10.0×Cable-φ
		Under Maximum Tension	20.0×Cable-φ
Temperature range （℃）		Installation	-20~+60
		Transport&Storage	-40~+70
		Operation	-40~+70

Item	Thông số
Fiber type	Single mode
Fiber material	Doped silica
Attenuation coefficient @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm	 0.35 dB/km  0.32 dB/km  0.21 dB/km  0.24dB/km
Point discontinuity	 0.05 dB
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_Q (Quadrature average*)	0.2 ps/km1/2
Mode field diameter @ 1310 nm	9.2±0.4 um
Core / Clad concentricity error	 0.5 um
Cladding diameter	125.0  0.7 um
Cladding non-circularity	1.0%
Primary coating diameter	245  10 um
Proof test level	100 kpsi (=0.69 Gpa), 1%
Temperature dependence 0oC~ +70oC @ 1310 & 1550nm	 0.1 dB/km