4 port Polarization Insensitive Optical CirculatorFeatures• Low Insertion Loss• Wide Band High Isolation• Low PDL• Compact In-Line Package• High Stability and Reliability• Epoxy-free on Optical PathApplications• Optical Amplifier• Metro Area Network• Wavelength Add/Drop• Dispersion Compensation• Bi-Direcation CommunicationPerformance SpecificationsParameterP GradeConfigurationPort 1 to Port 2 to Port 3Operation Wavelength (nm)1310±30 or 1550±30Isolation (dB)Typical1.0Maximum1.2Typical Isolation (dB)≥50Minimum Isolation (dB)≥30Cross Talk (dB)≥50Polarization Dependent Loss (dB)0.2Polarization Mode Dispersion0.1Return Loss（dB）≥50Power Handling (mW)500Opterating Temperature (℃)-10~+75Storage Temperature (℃)-40~+85Package dimension (mm)Φ5.5xL50 (L72 for 900um loose tube)Specifications may change without notice.Above specification are for device without connector.Ordering InformationPIOCXXXXXXXX PortWavlengthGradeFiber TypeFiber LengthIn/Out Connector4=4 Port13=1310nm 15=1550nmP=P Grade1=Bare fiber 2=900um loose tube1=1m 2=2m0=None 1=FC/APC 2=FC/PC 3=SC/APC 4=SC/PC 5=ST 6=LC S=SpecifyPDF4 port Polarization Insensitive Optical Circulator Website: