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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-55.7 is a Cisco compatible optical transceiver with a wavelength of 1553.33 nm, designed for high precision with transmitter stability ranging from -100 pm to +100 pm and a spectral width of 200 pm. It supports LC-LC cable connections and operates efficiently within a minimum transmit power of 0 dBm and a maximum transmit power of 4 dBm, while maintaining a low maximum power consumption of 1 W. Adhering to ITU G694 and GR2918 standards, it ensures reliability with an MTBF of 5,346,554 hours and operates across temperatures from 0 °C to 70 °C.

FAQs for the ONS-SC-2G-55.7

  • What is the wavelength of the transmitter?
    The transmitter operates at a wavelength of 1553.33 nm.
  • What are the minimum and maximum operating temperatures for this device?
    It operates between 0 °C and 70 °C.
  • Can you detail the receiver's wavelength range?
    The receiver accepts wavelengths between 1260 nm and 1620 nm.
  • How much power does the device consume at maximum?
    The maximum power consumption is 1 W.
  • What is the spectral width of the transmitter?
    The spectral width is 200 pm.
  • What type of cable connection is supported by this hardware?
    It supports an LC-LC cable connection.
  • How stable is the transmitter?
    Transmitter stability ranges from -100 pm to +100 pm.
  • What is the MTBF (Mean Time Between Failures) for this device?
    The MTBF is 5,346,554 hours.
  • What are the minimum and maximum transmit power levels?
    Transmit power ranges from 0 dBm to 4 dBm.
  • Which standards does this device comply with?
    It complies with ITU G694 and GR2918 standards.

Product Review

The CISCO ONS-SC-2G-55.7 offers a wide receiver wavelength range from 1260 nm to 1620 nm, accommodating various fiber optic communication standards. However, the transmitter stability varies between -100 to +100 pm, which may affect precision in certain demanding applications. With a high MTBF of 5,346,554 hours and a maximum power consumption of just 1 W, it promises reliability and energy efficiency for network infrastructure.


The CISCO ONS-SC-2G-55.7 is a specialized networking hardware component designed for high-capacity, optical networking applications. This device operates at a specific wavelength of 1553.33 nm, ensuring compatibility with a wide range of optical networking standards and infrastructures. The hardware supports a receiver wavelength range from 1260 nm to 1620 nm, accommodating various optical signals and enhancing system flexibility. Key to the CISCO ONS-SC-2G-55.7's performance is its transmitter stability, which spans from -100 pm in the low range to +100 pm in the high range, paired with a spectral width of 200 pm. This stability is critical in maintaining signal integrity over long distances, ensuring reliable communication across the network. The device offers a transmit power range from 0 dBm to 4 dBm, allowing for adjustments based on network requirements and ensuring efficient signal propagation.
  • MTBF (Mean Time Between Failures) of 5,346,554 hours, indicating high reliability and reduced maintenance needs.
  • Maximum power consumption is limited to 1 W, highlighting the device's energy efficiency.
  • Supports LC-LC cable connection, facilitating easy integration into existing network infrastructures.
Designed to meet rigorous standards, the CISCO ONS-SC-2G-55.7 adheres to ITU G694 and GR2918, ensuring compliance with international and industry-specific regulations. This compliance not only enhances the device's versatility across different optical networking environments but also ensures a level of performance that meets global telecommunications standards. Operating temperature ranges from 0 °C to 70 °C, accommodating a broad spectrum of environmental conditions. This wide operating temperature range ensures that the device can function effectively in various climatic conditions, from cold data centers to warmer outdoor installations, without compromising performance. The CISCO ONS-SC-2G-55.7 is designed for organizations requiring reliable, high-speed optical networking solutions. Whether for data centers, telecommunications networks, or enterprise-level applications, this device offers a blend of performance, efficiency, and reliability. Its low power consumption, coupled with a high MTBF, results in a cost-effective solution that minimizes operational costs while maximizing uptime. In summary, the CISCO ONS-SC-2G-55.7 is an advanced optical networking component that offers precise wavelength operation, stable transmission, and energy efficiency. Its adherence to international standards, coupled with a robust design capable of operating in a wide range of temperatures, makes it an ideal choice for a variety of optical networking applications. With features designed to ensure reliability, efficiency, and compatibility, the CISCO ONS-SC-2G-55.7 stands out as a valuable asset for any organization looking to enhance its optical networking capabilities.


Part Number CISCO ONS-SC-2G-55.7
Manufacturer CISCO
Emission Wavelength 1553.33 nm
Receiver Wavelength Lower Limit 1260 nm
Receiver Wavelength Upper Limit 1620 nm
Low-End Transmitter Stability -100 pm
High-End Transmitter Stability +100 pm
Bandwidth 200 pm
Lowest Transmit Power 0 dBm
Highest Transmit Power 4 dBm
Mean Time Between Failures (MTBF) 5,346,554 Hours
Peak Power Usage 1 W
Cable Connection Type LC-LC
Compliance ITU G694, GR2918
Minimum Operational Temperature 0 °C
Maximum Operational Temperature 70 °C

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