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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-50.1 is a Cisco optical networking module that operates at a 1550.12 nm wavelength, with receiver compatibility from 1260 nm to 1620 nm. It features a transmitter stability range from -100 pm to +100 pm, and a spectral width of 200 pm, ensuring precise signal transmission. The module supports LC-LC cable connections, operates efficiently with a maximum power consumption of 1 W, and is designed for durability with an MTBF of 5,346,554 hours, adhering to ITU G694 and GR2918 standards.

FAQs for the ONS-SC-2G-50.1

  • What is the wavelength of this device?
    The wavelength is 1550.12 nm.
  • What range of wavelengths can the receiver of the part support?
    It supports wavelengths from 1260 nm to 1620 nm.
  • How stable is the transmitter?
    The transmitter's stability ranges from -100 pm to +100 pm.
  • What is the spectral width?
    The spectral width is 200 pm.
  • What are the minimum and maximum transmit power levels?
    The transmit power ranges from 0 dBm to 4 dBm.
  • What is the MTBF (Mean Time Between Failures) for this hardware?
    The MTBF is 5,346,554 hours.
  • How much power does the device consume?
    It consumes a maximum of 1 W.
  • What type of cable connection is supported?
    The device supports an LC-LC cable connection.
  • What standards does this device comply with?
    It complies with ITU G694 and GR2918 standards.
  • What is the operating temperature range?
    The operating temperature ranges from 0 °C to 70 °C.

Product Review

The CISCO ONS-SC-2G-50.1 offers a broad receiver wavelength range from 1260 nm to 1620 nm, accommodating various optical networking demands and ensuring compatibility across diverse network configurations. However, the transmitter stability might present challenges in precision-dependent applications, with a variability range from -100 to +100 pm. It excels in reliability, demonstrated by an MTBF of over 5 million hours, and maintains energy efficiency with a maximum power consumption of 1 W, making it a durable and cost-effective solution for long-term deployments.


The CISCO ONS-SC-2G-50.1 is a specialized optical networking transceiver designed for high-performance data transmission. It operates at a precise wavelength of 1550.12 nm, ensuring compatibility with dense wavelength division multiplexing (DWDM) systems. The device is engineered to receive signals across a broad wavelength range from 1260 nm to 1620 nm, accommodating various optical networking standards and applications. This transceiver showcases a transmitter stability between -100 pm in the lower range and +100 pm in the higher range, with a spectral width of 200 pm. Such stability and precision in operation are critical for maintaining the integrity of data transmission across long distances. The minimum and maximum transmit power levels are set at 0 dBm and 4 dBm, respectively, allowing for flexible deployment in different network scenarios depending on the required signal strength. A notable aspect of the CISCO ONS-SC-2G-50.1 is its exceptional mean time between failures (MTBF) of 5,346,554 hours. This figure highlights the device's reliability and longevity, ensuring that network operators can depend on continuous, uninterrupted service. Additionally, its maximum power consumption is remarkably low at just 1 W, which not only reduces operational costs but also supports efforts to create more energy-efficient networks. The transceiver uses LC-LC supported cable connections, a standard in the industry, facilitating easy integration into existing network infrastructures. It is designed in compliance with critical industry standards, including ITU G694 and GR2918, guaranteeing its suitability for a wide range of optical networking tasks. Operating temperature ranges from 0 °C to 70 °C, allowing the CISCO ONS-SC-2G-50.1 to function reliably in a variety of environmental conditions. This flexibility ensures that the device can be deployed in diverse geographical locations without concern for climate-induced performance degradation. Key Hardware Specifications:
  • Wavelength: 1550.12 nm, ensuring optimal performance in DWDM systems.
  • MTBF: Over 5 million hours, highlighting the device's reliability.
  • Power Consumption: Max 1 W, contributing to energy-efficient network operations.
In summary, the CISCO ONS-SC-2G-50.1 is a highly reliable and efficient optical transceiver suitable for a wide array of networking applications. Its precise wavelength operation, broad receiver wavelength range, and energy-efficient design make it an ideal choice for network operators seeking to enhance their optical networking capabilities while minimizing operational costs and environmental impact. Its adherence to key industry standards and support for common cable connection types further ensures that this device can be integrated seamlessly into various network environments, providing a versatile solution for modern optical communications needs.


Item Number CISCO ONS-SC-2G-50.1
Manufacturer CISCO
Emission Wavelength 1550.12 nm
Lowest Receiver Wavelength 1260 nm
Highest Receiver Wavelength 1620 nm
Lower Bound Transmitter Stability -100 pm
Upper Bound Transmitter Stability +100 pm
Emission Bandwidth 200 pm
Lowest Output Power 0 dBm
Highest Output Power 4 dBm
Mean Time Between Failures (MTBF) 5,346,554 Hours
Peak Power Usage 1 W
Cable Interface Type LC-LC
Compliance Standards ITU G694, GR2918
Minimum Operational Temperature 0 °C
Maximum Operational Temperature 70 °C

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