4 To 20 Channel Box Passive DWDM Module

The module adopts a box design, which is small in size and easy to install. It can realize multi-channel optical signal multiplexing in a limited space, which greatly improves the utilization rate of optical fibers. The module does not need an external power supply, adopts a passive design, works stably and reliably, and is more economical and practical in cost. The module can support 4 to 20 channels, and the channel interval is 100GHz or 200GHz, which can be selected according to actual needs.

The module also has excellent optical performance, the insertion loss is less than 3.5dB, the return loss is greater than 45dB, and the isolation is greater than 25dB, which ensures the transmission quality and stability of optical signals. The module can also be used in conjunction with other optical communication equipment, such as optical fiber transceivers, optical amplifiers, etc., to form a complete optical communication system. The module can also be widely used in optical fiber broadcasting, video surveillance, data center, optical fiber sensing and other fields.

1. Multi-channel multiplexing: The module can support 4 to 20 channels, and the channel interval is 100GHz or 200GHz. It can realize multi-channel optical signal multiplexing in a limited space and improve the utilization rate of optical fiber.

2. High-performance passive design: The module adopts passive design, no external power supply is required, the work is stable and reliable, and the cost is more economical and practical.

3. Excellent optical performance: The module has excellent optical performance, the insertion loss is less than 3.5dB, the return loss is greater than 45dB, and the isolation is greater than 25dB, which ensures the transmission quality and stability of optical signals.

4. Flexible selection of the number of channels: The number of channels of the module can be selected according to actual needs, and can be flexibly applied to different application scenarios.

5. High compatibility: The module has strong compatibility with other optical communication equipment, and can be used in conjunction with optical fiber transceivers, optical amplifiers and other equipment to form a complete optical communication system.

1. Optical fiber broadcasting: This module can be applied to optical fiber broadcasting system to multiplex multiple signals, improve the utilization rate of optical fiber spectrum, and achieve higher quality broadcast transmission.

2. Video surveillance: This module can be used in video surveillance systems to multiplex multiple video signals, improve fiber utilization efficiency, and achieve higher quality video transmission.

3. Data center: This module can be applied to the data center to realize high-density, high-speed data transmission and improve the communication efficiency and reliability of the data center.

4. Fiber optic sensing: This module can be applied to fiber optic sensing systems, multiplexes multiple sensing signals, improves fiber utilization efficiency, and achieves higher sensitivity and wider measurement range.

1. Install the 4- to 20-channel box-type passive DWDM module in a suitable location, usually it needs to be fixed on the fiber optic rack or placed in the fiber optic cabinet.

2. Connect the optical fiber that needs to transmit signals to the input port of the module, and connect the output port to the optical fiber that needs to receive signals.

3. Select the number of channels to be transmitted according to actual needs, and the channel interval is 100GHz or 200GHz.

4. Debug and test the connected optical fiber to ensure the transmission quality and stability.

5. After the commissioning is completed, the 4 to 20-channel box-type passive DWDM module can be started for signal transmission.

1. The 4 to 20 channel box-type passive DWDM module should be used in a dry and well-ventilated environment, avoiding external interference such as mechanical shock and vibration.

2. When connecting the optical fiber, pay attention to the cleanliness of the optical fiber and the correct connection method to avoid signal loss and transmission quality degradation caused by poor connection.

3. When selecting the number of channels, it should be selected according to actual needs, and attention should be paid to the selection of channel intervals to ensure transmission quality and stability.

4. The connected optical fiber should be debugged and tested to ensure the transmission quality and stability. Maintenance and overhaul should be carried out regularly to ensure the normal operation of the equipment.

5. When connecting the optical fiber, avoid excessive stretching of the optical fiber, so as not to damage the optical fiber and affect the transmission quality. During operation, avoid electrostatic interference, such as grounding before operation, to ensure the normal operation of the equipment.