Article Overview
Optical modules in Vietnam are characterized by transmission rate, wavelength, power, interface type, and environmental specifications, with SFP, SFP+, and QSFP being the most common forms.
Core Technical Parameters
Transmission Rate: Optical modules are classified by the data rate they support, ranging from 100Mbps to 400Gbps. Common modules include 1Gbps (1G, 1000Base), 10Gbps (10G, 10GBase), 25Gbps (25GBase), 40Gbps (40GBase), and 100Gbps (100GBase) modules . Encapsulation/Form Factor: The physical form of the module determines compatibility with network devices. Popular types include SFP (Small Form-factor Pluggable) for 100Mbps–1Gbps, SFP+ for 10Gbps, and QSFP for 40Gbps or higher . Wavelength and Optical Interface: Modules operate at specific wavelengths, typically 1310nm or 1550nm, and use interfaces like LC duplex or SC connectors. The choice of wavelength affects transmission distance and fiber type (single-mode or multi-mode), . Transmit Power and Receive Sensitivity: These parameters define the optical signal strength and the minimum detectable signal at the receiver. They are critical for ensuring reliable communication over the intended distance . Transmission Distance: Depending on the module type and fiber, distances can range from 10km for 10GBASE-LR SFP+ modules to up to 80km for long-haul 100Mbps/1Gbps modules . Operating Temperature and Power Consumption: Industrial-grade modules support -40°C to 85°C and have power consumption typically around 1W for 10G modules, suitable for harsh environments . Standards Compliance: Modules in Vietnam comply with international standards such as IEEE 802.3ae, SFF-8431, SFF-8432, and SFF-8472, ensuring interoperability and digital diagnostics monitoring .
Applications
Optical modules are widely used in 10G Ethernet, 4G/5G wireless networks, SDH/SONET, ATM, and FTTx deployments. They are suitable for both indoor networking equipment and outdoor industrial environments .
Summary
When selecting optical modules in Vietnam, consider data rate, form factor, wavelength, transmission distance, power, and environmental tolerance. SFP, SFP+, and QSFP modules dominate the market, offering hot-swappable, MSA-compliant solutions for telecom operators, data centers, and industrial networks .
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