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光缆测试标准

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HT-BEYOND 发表于 2007-4-26 08:57:42 | 显示全部楼层 |阅读模式
根据以下数据,任何链路应用大于3个DB的均为合格  
General Fiber Optic
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode 62.5 mm
4.5
2.2
1000
1.4719
Multimode 50 m m
4.5
2.2
1000
1.4725
  TIA568A Fiber Optic
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
DB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
3.75
1.5
0.75
0.3
2000
1.4719
Multimode
50 m m
3.75
1.5
0.75
0.3
2000
1.4725
Singlemode
ISO 11801 Fiber Optic
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
3.5
1.0
0.75
0.3
2000
1.4719
Multimode
50 m m
3.5
1.0
0.75
0.3
2000
1.4725
Singlemode
  EN 50173 Fiber Optic
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
3.5
1.0
0.75
0.3
2000
1.4719
Multimode
50 m m
3.5
1.0
0.75
0.3
2000
1.4725
Singlemode
FDDI
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
11.0
2000
1.4719
Multimode
50 m m
11.0
2000
1.4725
  10BASE-FL
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
12.5
2000
1.4719
Multimode
50 m m
12.5
2000
1.4725
Singlemode
100BASE-FX
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
11.0
2000
1.4719
Multimode
50 m m
11.0
2000
1.4725
Singlemode
  1000BASE-SX
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
2.38
220
1.4719
Multimode
50 m m
3.56
550
1.4725
Singlemode
  1000BASE-LX
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
2.35
550
1.4719
Multimode
50 m m
2.35
550
1.4725
  Token Ring 4 Fiber Optic
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
13.0
2000
1.4719
Multimode
50 m m
13.0
2000
1.4725
Singlemode
  ATM52 Fiber Optic
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
10.0
3000
1.4719
Multimode
50 m m
10.0
3000
1.4725
Singlemode
7.0
7.0
  ATM155 Fiber Optic
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
10.0
2000
1.4719
Multimode
50 m m
10.0
2000
1.4725
Singlemode
 
 
7.0
7.0
 
 
 
 
 
 
 
  ATM155SWL Fiber Optic
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
7.2
1000
1.4719
Multimode
50 m m
7.2
1000
1.4725
Singlemode
  ATM622 Fiber Optic
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
6.0
500
1.4719
Multimode
50 m m
6.0
500
1.4725
Singlemode
7.0
7.0
Fibre Channel 266
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
6.0
1500
1.4719
Multimode
50 m m
5.5
1500
1.4725
Singlemode
6.0
6.0
DSP-FOM
850 nm
Fixed
Loss
1300 nm
Fixed
Loss
1310 nm
Fixed
Loss
1550 nm
Fixed
Loss
850 nm
Loss/km
(in dB)
1300 nm
Loss/km
(in dB)
Adapter
Loss
(in dB)
Splice
Loss
(in dB)
Length
Propagation
Delay
Index of
Refraction
dB
dB
dB
dB
dB
dB
dB
dB
meters
ns
Cable Type
Multimode
62.5 m m
4.5
3.0
Multimode
50 m m
4.5
3.0
Singlemode
3.0
3.0
z19741 发表于 2007-5-19 20:04:20 | 显示全部楼层
光纤在1220-1600nm波长范围内的典型衰减光谱特性曲线图有吗
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