The 1×1 FWDM module is used for data band transmission in the 1260~1620nm range and monitoring band separation in the 1640~1660nm range. It is suitable for service signal transmission in fiber optic links and 1650nm OTDR monitoring applications.
2. Core Product Features
1×1 FWDM filter structure design
Transmission band: 1260~1620nm
Reflection/monitoring band: 1640~1660nm
Passband insertion loss ≤1.0dB
Passband isolation ≥40dB, directivity ≥55dB
Return loss RL≥50dB, PDL≤0.10dB
SMF-28e or equivalent single-mode fiber
SC/APC-LC/UPC connector, 2.0mm yellow loose tube
Steel tube packaging size φ5.5×L40mm
3. Application Scope
PON/FTTx optical access networks
1650nm OTDR online monitoring system
Fiber optic link fault location and maintenance
Separation of data service and monitoring wavelengths
ODN optical distribution network construction
Integration of optical communication equipment and line monitoring modules