The 12×(1×2) FWDM module supports 1260~1620nm data band transmission and 1650±10nm OTDR monitoring band reflection, suitable for data service transmission and online monitoring of fiber optic links.

2. Core Product Features

Parameters		Specifications	Unit
Operating Wavelength		1260-1660	nm
Pass band Wavelength		1260-1620	nm
Reflect band Wavelength		1640-1660	nm
Insertion Loss1	COM<-->Pass	≤1.0	dB
Insertion Loss1	COM<-->Reflect	≤0.8	dB
Isolation	Pass Channel	≥40	dB
Isolation	Reflect Channel	≥15	dB
Insertion Loss Temperature Sensitivity		≤0.5	dB
Wavelength Temperature Shifting		≤0.002	nm/℃
Polarization Dependent Loss		≤0.1	dB
Polarization Mode Dispersion		≤0.15	ps
Ripple		≤0.5	dB
Directivity		≥55	dB
Return Loss		≥50	dB
Maximum Power Handing		500	mW

12×(1×2) FWDM Cascade Structure
Transmission Band: 1260~1620nm, Reflection Band: 1640~1660nm
Low Insertion Loss: COM↔PASS≤1.0dB, COM↔Reflect≤0.8dB
High Isolation: Pass Channel≥40dB, Reflect Channel≥15dB
COM/PASS End: LC/APC, Reflect End: 12F MPO/APC Female
G657A2 Fiber, Maximum Power Capacity: 500mW
Operating Temperature: -40~+85℃, Suitable for Harsh Environments
ABS Box Packaging Dimensions: L100×W80×H10mm

3. Application Scope

PON/FTTx Optical Access Networks
OTDR Online Monitoring System
ODN Optical Distribution Network
Fiber Optic Link Fault Location and Maintenance
Data Service and Monitoring Wavelength Multiplexing System
Carrier Fiber Optic Network Monitoring System
Integration of Optical Communication Equipment and Line Monitoring Modules

4. Mechanical Dimensions

12x1x2 FWDM Module LC APC COM PASS 12F MPO APC Reflect Port 1650nm OTDR Monitoring for Optical Line Protection 0

5. MPO Boot Diagram

12x1x2 FWDM Module LC APC COM PASS 12F MPO APC Reflect Port 1650nm OTDR Monitoring for Optical Line Protection 1

12x1x2 FWDM Module LC APC COM PASS 12F MPO APC Reflect Port 1650nm OTDR Monitoring for Optical Line Protection 2

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