CWDM SFP Transceiver is a convenient and cost-effective solution for the adoption of Gigabit Ethernet and Fiber Channel(FC) in campus, data-center, and metropolitan-area access networks, with maximum optical budget 41dB. CWDM SFP modules support data rates from 100 Mbps up to 4.25 Gbps. There are 18 center wavelengths available from 1270 nm to 1610 nm, with each step 20 nm. These wavelengths are compliant to the ITU G.694 CWDM standard.

Optical Characteristics:

The following optical characteristics are defined over the Recommended Operating Environment unless otherwise specified.

Features:

• Compliant with SFP MSA and SFF-8472 with duplex LC receptacle

• 18-Wavelength CWDM DFB LD Transmitter from 1270nm to 1610nm, with Step 20nm

• Digital Diagnostic Monitoring

• Internal Calibration or External Calibration

• Compatible with RoHS

• +3.3V single power supply

• Operating case temperature:

  • Standard: 0 to +70°C

  • Industrial: -40 to +85°C

Applications:

• Fiber Channel Switch Infrastructure

• ATM Switches and Routers

• SONET / SDH Switch

• Other optical link

• Fast Ethernet, Giga Ethernet

2.5Gbps SFP Duplex, WDM, CWDM, DWDM Transceiver Module Fully compatible with Cisco, HP, Alcatel, H3C, Huawei, Juniper, ZTE, Zyxel, D-Link, Extreme, Nortel, Netgear, Enterasys, Founfry, Adtran, Brocadem Marconi, Finisar etc.

Benefits and Advantages of CWDM Transceivers:

A CWDM (Coarse Wavelength Division Multiplexing) transceiver is a device that enables the transmission of multiple optical signals over a single optical fiber by using different wavelengths of light. It is commonly used in telecommunications networks to increase the capacity and efficiency of the fiber infrastructure.
The primary benefit of CWDM transceivers is their ability to transmit multiple signals simultaneously over a single fiber. This allows for a significant increase in bandwidth without the need for additional fibers, which can be costly and time-consuming to install. By using different wavelengths of light to carry different signals, CWDM transceivers can effectively multiplex and demultiplex the signals at the transmitting and receiving ends.
One of the key advantages of CWDM transceivers is their cost-effectiveness. Compared to other technologies like DWDM (Dense Wavelength Division Multiplexing), CWDM transceivers are more affordable and easier to implement. This makes them an attractive solution for small and medium-sized networks that require increased capacity but have budget constraints.
Another advantage of CWDM transceivers is their flexibility. They can support a wide range of transmission distances, from a few kilometers to tens of kilometers. This makes them suitable for various applications, including metropolitan area networks (MANs), campus networks, and data centers.
Additionally, CWDM transceivers are compatible with existing fiber infrastructure, making it easy to upgrade and expand network capacity without major infrastructure changes. This compatibility also allows for seamless integration with other optical networking equipment.
In the latest point of view, CWDM transceivers are gaining popularity in the context of 5G networks. With the increasing demand for high-speed and low-latency connectivity, CWDM transceivers provide a cost-effective solution to support the growing bandwidth requirements of 5G networks. They enable the efficient utilization of fiber resources and help network operators meet the demands of the ever-increasing data traffic.
Overall, CWDM transceivers offer numerous benefits and advantages, including increased capacity, cost-effectiveness, flexibility, compatibility, and now, support for 5G networks. As the demand for high-speed data transmission continues to grow, CWDM transceivers will play a crucial role in enabling efficient and reliable communication networks.

FAQ:

Which is better CWDM or DWDM?

The sweet spot for CWDM is up to 10 Gigabit Ethernet and 16G Fibre Channel. And it is quite unlikely capacities with increase beyond this in the future. DWDM however, is able to handle higher speed protocols up to 100Gbps per channel making it a more suitable technology for higher speed protocols.

What is the difference between CWDM and DWDM SFP?

Compared to DWDM, CWDM is easier to deploy and manage as it needs fewer optical hardware components. Additionally, CWDM uses wider wavelength spacing, which helps bring down costs. CWDM systems generally use 8, 16, or 32 channels, while DWDM systems can support up to 96 channels.

What is the maximum distance for CWDM?

80km.

CWDM signals cannot be amplified, but signals can be carried across all 18 ITU channels for distances up to 80km, which limits it as a lower cost solution for networks in metropolitan areas, for example.