Multi-Mode Coupler
Descriptions
MM Coupler is fully compliant with Telcordia GR-1209/1221 reliability qualification requirement
Features
Low Insertion Loss, Good
Uniformity
Wide Operating Wavelength
Excellent environmental stability and reliability
Applications
Communication System
Fiber laser and Fiber Sensor
FTTX Systems
LAN, WAN and Metro Networks
Analog/Digital Passive Optical Networks
CATV Networks
Fiber Optic Instruments
Specifications
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Configuration |
Unit |
1×2/2×2 |
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Type |
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Multi-Mode Coupler(MMC) |
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Operating Wavelength |
nm |
850 or 1310 |
850/1310 |
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Max Insertion Loss |
50/50 |
% |
3.80/3.80 |
4.00/4.00 |
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40/60 |
% |
2.80/4.80 |
3.00/5.00 |
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35/65 |
% |
- |
2.7/5.6 |
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30/70 |
% |
2.10/6.00 |
2.30/6.20 |
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25/75 |
% |
- |
2.1/7.05 |
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20/80 |
% |
1.60/7.80 |
1.80/8.00 |
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10/90 |
% |
1.10/11.50 |
1.25/11.8 |
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Return Loss |
dB |
≥40.0 |
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Directivity |
dB |
≥40.0 |
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Operating Temperature |
Deg. |
-5-75 |
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Storage Temperature |
Deg. |
-40-85 |
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Fiber Length |
m |
1.00±0.10 |
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Fiber Type |
|
50/125 or 62.5/125 Multi-Mode OM3, OM4, OM5 or others |
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Light Source |
|
LED |
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Fiber Diameter |
um |
250/900 |
900/2000/3000 |
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Package |
mm |
3.0×54 |
90×16×10 |
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Note: 1. Above specifications are for device without connector, IL add 0.3dB & RL reduced 5dB with connector.
Package Dimensions
Ordering Information
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MM(D)C – A - B — C - D — E — F — G — H — I — J |
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|
A |
Wavelength |
850, 1310, 850/1310, Others |
|
B |
Configuration |
1×2, 2×2, etc |
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C |
Coupling Ratio |
50=50/50, 45=45/55, 40=40/60, 30=30/70….1=1/99 |
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D |
Tube Type |
0.9=0.9mm loose tube,2.0= 2.0mm loose tube, 3.0=3.0mm loose tube etc |
|
E |
Fiber Type |
1=62.5/125, 2=50/125 OM2, 3=50/125 OM3, 4=50/125 OM4 5= OM5, 6=others |
|
G |
Connector Type |
N=None, LU=LC/UPC, LA=LC/APC, SU=SC/UPC, SA=SC/APC, FU=FC/UPC, FA=FC/APC, O=Others |
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I |
Package Size |
3x40mm, 3x45mm, 3x54mm, 90x16x10mm, etc. |
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H |
Fiber length |
0.3=0.3m, 0.5=0.5m; 1=1.0m 10=10m etc |
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For example：MMDC-850/1310-1x2-50-0.9-5-LU-3x54-1 |
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