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Dual Window Splitter/Coupler Specifications and Insertion Loss Values

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SPLITTERS / COUPLERS
Introduction: Conventional MM Couplers/Splitters

The Multimode couplers/splitters, on this web-page, are typically applied to applications, which use an "overfilled launch" (OFL). An OFL example is the LED transmitter, typically used in 10Base and 100Base, Ethernet, multimode, fiber links. An OFL fills the modes of the multimode fiber. These multimode couplers/splitters work best with OFL configurations.

    NOTE:  New, high-speed, multimode, fiber links (e.g. 1000Base-SX) use lasers.
    Typically, these 850-nm sources are VCSELs (vertical cavity surface emitting lasers).
    VCSELs do not provide an OFL into multimode fiber; they do not fill the mode-structure of the multimode fiber.
    For these applications, Fiberdyne recommends their new, "Laser Multimode" couplers/splitters.
FEATURES:
  • Multimode
  • Fiber Pigtails are Available
  • Medium Duty (900 Micron) and Heavy Duty (3 mm Jacket)
  • Packaged Couplers are Available

  • Fiberdyne Coupler/Splitter devices are bi-directional. If they are used, to combine signals, then they are "couplers."
    If they are used, to divide a signal, then they are "splitters."
        Note: both terms are often used, interchangeably, to mean the same device.


Technical Data Sheet

Part Number  Split Ratio  Max. Insertion Loss
@ 850/1300
 FMC-11X-150-1X1 50/504.1/4.1
FMC-11X-155-1X155/453.6/4.5
FMC-11X-160-1X160/403.1/5.1
FMC-11X-165-1X165/352.7/5.7
FMC-11X-170-1X170/302.4/6.3
FMC-11X-175-1X175/252.2/7.1
FMC-11X-180-1X180/201.8/8.1
FMC-11X-185-1X185/151.5/9.5
FMC-11X-190-1X190/101.3/11.5
FMC-11X-195-1X195/051.0/14.5

900 Micron Medium Duty Coupler / Splitter
1x2, 900 Micron, Medium Duty Coupler.		 3mm Jacketed Heavy Duty Coupler / Splitter
1x2, 3mm Jacketed, Heavy Duty Coupler.
2x2, 900 Micron, Medium Duty Coupler / Splitter
2x2, 900 Micron, Medium Duty Coupler.		 2x2,3mm Jacketed, Heavy Duty Coupler / Splitter
2x2, 3mm Jacketed, Heavy Duty Coupler.
1x3, 900 Micron, Medium Duty Coupler / Splitter
1x3, 900 Micron, Medium Duty Coupler.		  

ORDERING INFORMATION
FMC- XXX- XXX- XXX
 45 6 78 9 1011 12
FMC - Fiberdyne Labs Dual Window Multimode Couplers

4th. DigitCenter Wavelength1 = 850/1300
5th. DigitPorts1 = 1x2
2 = 2x2
6th. DigitPackage 0 = 250um -- 0.13" x 2.2"
1 = 900um -- 0.13" x 2.2"
2 = 3mm -- 4" x 0.6" x 0.3"
B = 900um in Heavy Duty Pkg
7th. DigitGrade1 = Premium
8th. & 9th. DigitCoupling Ratio Specify First 2 Digits
e.g.
25 = 25/75
50 = 50/50
10th. DigitFiber Type 0 = 50/125
1 = 62.5/125
11th. DigitConnectors 0 = None
1 = FC
3 = SC
5 = ST
7 = LC
X = Custom Configuration
(List as "Special Instruction")
(e.g. SC Input to FC Output)
12th. DigitOverall Length 1 = 1 Meter
2 = 2 Meter

Multimode Coupler Modules Maximum Insertion Loss
Number of Ports Maximum
Insertion Loss (dB)
2x24
1x24
1x47.5
1x811
1x1615
1x3218
Operating Temperature: -40C to +75C
Directivity: >40dB

 

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Fiberdyne Labs, Inc.,
127 Business Park Drive,
Frankfort, New York 13340

Phone: 1-800-894-9694   |  Phone: (315)895-8470   |  Fax: (315) 895-8436