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CWDM 1×2

Decriptions

GEZHI  Photonics CWDM technology provides the flexibility to increase capacity of existing fiber infrastructure by enabling multiple channels/wavelengths over the same fiber cabling. Each channel carries data independently from each other, allowing network designers to transport different data rates. FMU series CWDM Mux Demux covers up to 18 CWDM channels from 1270nm to 1610nm in 20nm increments as defined by ITU-T G.694.2. It's protocol and rate transparent supporting such applications as 1G/10G Ethernet, SDH/SONET and 8/4/2/1G Fiber Channel across the same fiber link.

Main advantages are its passive nature – no power supply or cooling necessary, and robustness – no special microclimate requirements, and low insertion loss – extend maximum reach of CWDM technology. A variety of wavelength combinations, port configurations and special port options can be supported, different packaging type can be customize

Features

Wide pass band 

Low insertion loss 

High channel isolation 

High stability and reliability

Applications

CWDM system 

CWDM Mux/Demux module

 

Technical Paremeter

Parameter

1×2 CWDM

Central Wavelength(nm)

1271, 1291, 1311, …..1551, 1571, 1591, 1611

 

Operating Wavelength (nm)

1260~1460 or

1460~1620 or

1260~1620

Channel space (nm)

20

Channel bandwidth (nm)

λc ± 6.5

Channel flatness (dB)

≤0.4

 

IL (dB)

Pass Channel

≤0.6

Reflection Channel

≤0.4 (1260~1460 or 1460~1620) or

≤0.6(1260~1620)

 

Isolation (dB)

Adjacent channel

≥30

Non-adjacent channel

≥40

Reflection Channel

≥15

Directivity (dB)

≥55

Return loss (dB)

≥50

PDL (dB)

≤0.15

Wavelength thermal stability (nm/)

≤0.003

Insertion loss thermal stability (dB/)

≤0.005

Power handling (mW)

≤500

Operating temperature ()

0 ~ +70

Storage temperature ()

-40 ~ +85

Dimensions (mm)

φ5.5×L34

Dimensions:

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Ordering Information

CWDM

Port

Type

Center

Wavelength

Operation

Wavelength

Pigtail Type

Fiber Type

Length

Connector

1×2

1271

1460~1620

250=250um

1=SMF-28e

1= 1m

NE=None

1291

1260~1460

bare fiber

X=Specify

FA=FC/APC

……

1260~1620

900=900um

FC=FC/UPC

1611

loose tube

SA=SC/APC

3000=3mm

SC=SC/UPC

loose tube

LC=LC/UPC

LA=LC/APC

XX=Other