The price of wavelength division transmission equipment is mainly affected by the following factors:
- Equipment type and technical specifications
Wavelength division type (CWDM/DWDM):
CWDM (coarse wavelength division multiplexing): simple technology, large wavelength interval (20nm), low cost, suitable for short distance, small and medium bandwidth scenarios, the equipment price is usually hundreds to tens of thousands of yuan.
DWDM (dense wavelength division multiplexing): small wavelength interval (0.8nm or less), can carry more channels, complex technology, high price, often used for long-distance, large-capacity transmission, equipment price ranges from tens of thousands to hundreds of thousands of yuan.
Transmission rate and capacity:
The price of equipment that supports 10G, 100G, 400G or even higher rates increases significantly with the increase in rate. For example, the price of a 100G wavelength division module may be several times that of a 10G module.
Number of wavelengths:
The more wavelength channels supported (such as 8, 16, and 40 wavelengths), the higher the equipment cost, because more complex optical path design and devices are required.
- Function and performance parameters
Is it active:
Passive wavelength division equipment (such as pure wavelength division multiplexer): no power supply requirement, simple structure, and low price (hundreds to thousands of yuan).
Active wavelength division equipment (such as optical amplifiers and OTN functions): requires power supply, high integration, and high price (starting from tens of thousands of yuan).
Key performance indicators:
The higher the indicators such as wavelength stability, channel isolation, and polarization-related loss, the higher the equipment cost (such as equipment with isolation > 25dB is more expensive than equipment with low isolation).
Scalability:
Equipment that supports hot-swap, modular design, and subsequent upgrade of wavelength or rate is usually more expensive (due to design complexity and compatibility requirements).
- Brand and market positioning
International brands vs. domestic brands:
The equipment of international manufacturers such as Huawei, Ericsson, and Nokia is mature in technology and highly reliable, but the price is usually 30%~50% higher than that of domestic brands (such as FiberHome, ZTE, and Shenzhen HTFuture).
High-end market vs. SME market:
High-end wavelength division equipment for carrier-grade core networks (such as large-capacity OTN equipment) can cost hundreds of thousands of yuan, while simplified equipment for SMEs (such as plug-in CWDM) may only cost thousands of yuan.
- Application scenarios and configuration requirements
Transmission distance:
Long-distance transmission (such as across cities) requires optical amplifiers and relay equipment, and the cost is significantly higher than short-distance (such as within enterprise parks) scenarios.
Supporting components:
The selection of accessories such as optical modules, fiber jumpers, cabinets, and management software will affect the overall cost. For example, 100G optical modules are more expensive than 10G optical modules, and DWDM-specific optical modules are more expensive than CWDM modules.
Customized requirements:
Equipment that requires customized functions (such as special protocol adaptation, encryption functions) or industry certification (such as telecom-grade certification) will be more expensive.
- Procurement mode and quantity
Bulk purchase vs. single unit purchase:
Bulk purchase (such as operator centralized purchase) can enjoy discounts, and the price of a single unit is lower; the price of small and medium-sized enterprises is usually higher.
Whether service is included:
Equipment with installation and commissioning, technical training, and long-term maintenance services will be more expensive than bare metal (service costs account for about 10%~20%).
- Market supply and demand and technology iteration
Technology update:
New generation technologies (such as 400G/800G wavelength division, coherent transmission) are more expensive when they are first launched, and will gradually decrease as the technology becomes popular.
Raw material cost:
Price fluctuations of optical devices (such as lasers and fiber arrays) will affect equipment costs. For example, prices may rise when there is a chip shortage.
Summary
The price of wavelength division transmission equipment ranges from hundreds of yuan to hundreds of thousands of yuan. Small and medium-sized enterprises can give priority to cost-effective CWDM equipment or domestic simplified DWDM equipment according to their own bandwidth requirements, transmission distance and budget, while paying attention to brand service and scalability.
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