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by Cisco
Product Line: Cisco ONS Series
Product Type: DWDM SFP Module
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Product Description

The ONS-SC-2G-30.3 is a Cisco-compatible optical networking module that operates at a wavelength of 1530.33 nm, with a minimum receiver wavelength of 1260 nm and a maximum receiver wavelength of 1620 nm. It features a transmitter stability range from -100 pm to +100 pm, a spectral width of 200 pm, and supports transmit power levels from 0 dBm to 4 dBm. Designed for durability and efficiency, it has a Mean Time Between Failures (MTBF) of 5,346,554 hours, a maximum power consumption of 1 W, and operates within a temperature range from 0 °C to 70 °C.

FAQs for the ONS-SC-2G-30.3

  • What is the wavelength of this networking hardware?
    The wavelength is 1530.33 nm.
  • How does the minimum operating temperature of the device, specified as part number, impact its deployment in cold environments?
    The device can operate in environments as cold as 0 °C, allowing for deployment in various climatic conditions without impacting performance.
  • What range of receiver wavelengths does the hardware support?
    It supports receiver wavelengths from 1260 nm to 1620 nm.
  • Regarding the specified part, what is the significance of its MTBF rating?
    The MTBF (Mean Time Between Failures) rating of 5,346,554 hours indicates a high level of reliability and a lower likelihood of failure over time.
  • What is the maximum transmit power of the device?
    The maximum transmit power is 4 dBm.
  • Can you detail the power consumption specifications for the product detailed as part number?
    The maximum power consumption of the product is 1 W, which highlights its energy efficiency.
  • What type of cable connection is supported by this networking hardware?
    It supports an LC-LC cable connection.
  • In the context of the described hardware, how does the transmitter stability range influence its performance?
    The transmitter stability range from -100 pm to +100 pm ensures consistent performance across various conditions by maintaining the quality of signal transmission within this range.
  • What standards does this hardware comply with?
    It complies with ITU G694 and GR2918 standards.
  • Considering the specified hardware, what is its maximum operating temperature, and how does it affect its usability in hot environments?
    The maximum operating temperature is 70 °C, which allows the device to function effectively in hot environments without overheating.

Product Review

The CISCO ONS-SC-2G-30.3 offers a wide receiving wavelength range from 1260 nm to 1620 nm, accommodating various optical networking standards and ensuring compatibility across diverse network infrastructures. However, its transmitter stability ranges from -100 to +100 pm, which may limit performance in environments requiring precise wavelength stability. Additionally, with a high MTBF of over 5 million hours and low power consumption of 1W, it promises reliability and efficiency in long-term deployments.


The CISCO ONS-SC-2G-30.3 is a specialized networking hardware component designed for precise and efficient optical signal transmission. It operates at a specific wavelength of 1530.33 nm, which is optimal for a wide range of telecommunications applications. The device is engineered to accommodate receiver wavelengths from 1260 nm to 1620 nm, providing a broad compatibility range with various optical fiber types. Key to its performance are its transmitter stability metrics, which are defined by a low range of -100 pm and a high range of +100 pm. This stability ensures consistent signal quality over time, even under varying operational conditions. The spectral width of 200 pm further contributes to the device's ability to maintain signal integrity across its operating wavelength. Power efficiency and output are critical parameters for optical network hardware. The CISCO ONS-SC-2G-30.3 boasts a minimum transmit power of 0 dBm, with the capability to increase up to 4 dBm. This range allows for flexible adaptation to network demands without sacrificing performance. Moreover, the device is remarkably energy-efficient, with a maximum power consumption of only 1 W, minimizing operational costs and environmental impact. Durability and reliability are assured, with a Mean Time Between Failures (MTBF) rating of 5,346,554 hours. This impressive figure indicates a low probability of failure, ensuring long-term service and reducing maintenance requirements. For connectivity, the device supports LC-LC cable connections, facilitating easy integration into existing network infrastructures. This type of connection is widely used in the industry for its reliability and high-performance characteristics. The CISCO ONS-SC-2G-30.3 is designed to operate within a broad temperature range, from 0 °C to 70 °C. This flexibility ensures reliable performance in various environmental conditions, from data centers to outdoor installations. Compliance with industry standards is crucial for interoperability and regulatory adherence. The device meets the ITU G694 and GR2918 standards, confirming its suitability for use in global telecommunications networks.
  • Wavelength precision at 1530.33 nm for targeted signal transmission
  • Energy-efficient design with a maximum power consumption of 1 W
  • High reliability with an MTBF of over 5 million hours
In summary, the CISCO ONS-SC-2G-30.3 is a high-performance optical networking component that offers precise wavelength operation, energy efficiency, and reliability. Its broad receiver wavelength range, stable transmitter performance, and compatibility with standard LC-LC connections make it a versatile choice for a variety of telecommunications applications. With adherence to key industry standards and a wide operating temperature range, it represents a reliable solution for enhancing optical network performance.


Part Number CISCO ONS-SC-2G-30.3
Manufacturer CISCO
Emission Wavelength 1530.33 nm
Receiver Wavelength Range Start 1260 nm
Receiver Wavelength Range End 1620 nm
Low-End Transmitter Stability -100 pm
High-End Transmitter Stability +100 pm
Emission Bandwidth 200 pm
Lowest Output Power 0 dBm
Highest Output Power 4 dBm
Mean Time Between Failure (MTBF) 5,346,554 Hours
Peak Power Usage 1 W
Compatible Cable Type LC-LC
Compliance Standards ITU G694, GR2918
Operational Temperature Minimum 0 °C
Operational Temperature Maximum 70 °C

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