Dual Fiber Coexistence Element CEx Module for NG-PON2 access networks
The Dual Fiber Coexistence Element CEx Module is A single WDM device used to combine current G-PON FTTH services with emerging XGS-PON and Next Generation NG-PON2 technologies. THe 5CH Dual Fiber Coexistence Element CEx Module is designed for PON coexistence of GPON, XGS-PON, OTDR, RF video and NG-PON2, multiplex into single fiber during transmission from OLT to ONU.
Detail Wavelength of Channel:
- GPON : 1290-1330 & 1480-1500nm
- XGS-PON : 1260-1280 &1575-1580
- OTDR : 1625-1650nm
- RF Video : 1550-1560nm
- NG-PON2 : 1524-1544 & 1596-1603nm
With high-quality connectivity ensure superior performance, the lowest loss, and robust network reliability. GEZHI Dual Fiber Coexistence Element CEx Module is used in NG-PON2 access networks, optical singal distribution with Dual Fiber.
| Features | Applications |
- Low Insertion Loss
- LOW PDL
- Telcordia GR-1312-CORE Compliant
- High Channel Isolation
| - NG-PON2 access networks
- CATV Links
- Optical Singal Distribution
- Metro/Access Communication Networks
- Fiber Optic Instruments
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GEZHI CEx WDM Module Coexistence Module Optical Multiplexer are available in LGX cassette module, rack-mount, and customized housings. OTDR Monitor option is available; 1% Monitor port adds approx. 0.75 dB to the IL for each port.
Specification
| Parameter | Unit | CEx WDM Module |
| Channel Number | / | 5 |
| Center Wavelength | nm | GPON Port: 1290~1330&1480~1500 TWDM Port: 1524~1544&1596~1603 PtP Port: 1610~1625 RF Port: 1550~1560 XGS-PON Port: 1260~1280&1575~1580 |
| Insertion Loss | dB | ≤1.8 |
| Isolation | dB | ≥30 |
| Returen Loss | dB | ≥45 |
| Directivity | dB | ≥50 |
| Polarization Dependent Loss | dB | ≤0.2 |
| PMD | ps | ≤0.15 |
| Power Handling | mW | ≤500 |
| Operating Temperature | ℃ | -5 to +75 |
| Storage Temperature | ℃ | -40 to +85 |
Dual Fiber Coexistence Element CEx Module for NG-PON2 access networks
Excellent Performance Parameters
Lower insertion loss
Lower insertion loss makes GEZHI Dual Fiber Coexistence Element CEx Module have lower signal attenuation in operation, thus reducing the power requirement of signal transmitter.
High isolation
The higher isolation value enables sufficient signal isolation during multi-signal transmission in the DWDM insert-box module, effectively preventing crosstalk between signals and causing distortion of the transmission signal.
PON System Coexistence
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Dual Fiber Coexistence Element CEx Module Filter WDM Images
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