Coarse Wavelength Division Multiplexer (CWDM) Series
CWDM (Coarse Wavelength Division Multiplexer) is a low-cost WDM transmission technology for the access layer of metropolitan area networks. In principle, CWDM uses an optical multiplexer to multiplex optical signals of different wavelengths onto a single optical fiber for transmission. At the receiving end of the link, an optical demultiplexer is used to decompose the mixed signals in the optical fiber into signals of different wavelengths, which are connected to corresponding receiving equipment; Used in optical transmission, metropolitan area networks, and WDM technology.
Product Features
Standard: Supports full-duplex and half-duplex modes;
Wavelength: Complies with ITU-T G.695 standard.
Technical Parameters
| Optical Performance Index: Parameter | Specification | Unit |
| ITU Grid | nm | |
| Channel Bandwidth | λc ± 6.5 (minimum) | nm |
| Channel Spacing | 20 | nm |
| Channel Flatness | ≤ 0.4 | nm |
| Insertion Loss | ≤ 1.6 (2 Channel) | dB |
| ≤ 2.4 (4 Channel) | dB | |
| ≤ 2.5 (8 Channel) | dB | |
| ≤ 3.5 (16 Channel) | dB | |
| Adjacent Channel Isolation | ≥ 30 | dB |
| Non-Adjacent Channel Isolation | ≥ 45 | dB |
| Insertion Loss Temperature Coefficient | ≤ 0.005 | dB/℃ |
| Polarization Dependent Loss (PDL) | ≤ 0.1 | dB |
| Polarization Mode Dispersion (PMD) | ≤ 0.1 | ps |
| Return Loss (RL) | ≥ 45 | dB |
| Directivity | ≥ 55 | dB |
| Operating Temperature | 0 to 70 | ℃ |
| Storage Temperature | -40 to 85 | ℃ |
| Package Dimensions | 80 (L) x 58 (W) x 6.6 (H) | mm |
Solutions
We provide professional optical fiber communication solutions tailored to different industries and application scenarios.
FTTN (Fiber to the Node)
The FTTN (Fiber to the Node) solution involves laying optical fibers to node cabinets several miles away from users, then transmitting network signals to user terminals via traditional copper cables. It is an ideal choice for meeting the broadband upgrade needs of urban areas or communities, and is suitable for access requirements in small and medium-sized regions.
Application
Urban and Peri-Urban Areas
Major Residential Areas and Communities
FTTC (Fiber to the Curb)
FTTB (Fiber to the Building)
FTTH (Fiber to the Home)
FTTP (Fiber to the Premises)
Adapts to Multi-user Needs
For large buildings, providing fiber access throughout the entire building
Highly Reliable
Provides stable high-speed internet connections, meeting high-demand commercial and residential usage
Highly Scalable
Supports future expansion and flexible service distribution
Ultimate Access Speed
Fiber reaches the curb, closer to users, providing higher bandwidth and lower latency
Flexible Deployment
Adapts to flexible cabling needs in urban and densely populated areas
High Bandwidth Guarantee
Through fiber network connections, meeting high-bandwidth application needs such as HD video and cloud computing
Meet Diverse User Needs
Tailor full-building fiber access solutions for large-scale constructions
High Reliability
Deliver stable, high-speed internet connectivity to meet the demands of high-performance commercial and residential use.
Strong Scalability
Support future expansion and flexible service allocation
Ultra-high-speed Internet
Direct access to fiber networks, achieving gigabit-level bandwidth, supporting bandwidth-intensive applications such as HD, 4K video, VR/AR
High Stability
No electromagnetic interference, fiber connections ensure communication stability
Future Scalability
As demand grows, fiber networks can seamlessly expand to meet increasing bandwidth needs
Wide Coverage
Integrating FTTH and FTTB solutions to meet the needs of various customers including homes and enterprises
High Bandwidth Guarantee
Provides excellent network experience, supporting cloud applications, high-volume video transmission, etc.
One-stop Service
Comprehensively considers user scenarios, provides flexible fiber deployment solutions, ensuring seamless connectivity
