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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-48.5 is a CISCO transceiver module designed for high performance, operating at a wavelength of 1548.51 nm with a receiver wavelength range between 1260 nm and 1620 nm. It features a transmitter stability of -100 to +100 pm, a spectral width of 200 pm, and transmits power between 0 dBm and 4 dBm. This module is highly reliable with a MTBF of 5,346,554 hours, supports LC-LC cable connections, consumes a maximum of 1 W power, and operates within a temperature range of 0 °C to 70 °C, adhering to ITU G694 and GR2918 standards.

FAQs for the ONS-SC-2G-48.5

  • What is the wavelength specification of this networking hardware?
    The wavelength is 1548.51 nm.
  • How does the receiver's wavelength range impact compatibility?
    The receiver supports wavelengths from 1260 nm to 1620 nm, allowing it to work with a wide range of light signals within this spectrum.
  • What are the stability parameters for the transmitter?
    Transmitter stability ranges from -100 pm (low range) to +100 pm (high range).
  • Can you detail the spectral width for this device?
    The spectral width is 200 pm.
  • What is the transmit power range of this hardware?
    It has a minimum transmit power of 0 dBm and a maximum of 4 dBm.
  • What does the MTBF value indicate about this product's reliability?
    With an MTBF of 5,346,554 hours, it indicates high reliability and a low likelihood of failure over its lifetime.
  • What is the maximum power consumption of this device?
    The maximum power consumption is 1 W.
  • What type of cable connection is supported by this hardware?
    It supports an LC-LC cable connection.
  • Which standards does this networking component adhere to?
    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-48.5 demonstrates a broad receiver wavelength range from 1260 nm to 1620 nm, accommodating various optical networking standards and ensuring compatibility with diverse fiber optic infrastructures. However, its transmitter stability could be a concern for applications requiring precision beyond the -100 to +100 pm range. With an impressive MTBF of over 5 million hours and low power consumption of 1 W, it offers reliability and energy efficiency for long-term deployments.


The CISCO ONS-SC-2G-48.5 is a specialized networking hardware component designed for high-capacity, optical networking applications. This device operates at a specific wavelength of 1548.51 nm, ensuring compatibility with a range of optical networking standards and deployments. The hardware supports a broad receiver wavelength range from 1260 nm to 1620 nm, accommodating various network demands and enhancing system flexibility. In terms of transmitter characteristics, the CISCO ONS-SC-2G-48.5 exhibits a transmitter stability range from -100 pm in the low range to +100 pm in the high range, with a spectral width of 200 pm. This stability is critical for maintaining the integrity of the transmitted signal over long distances or through challenging environmental conditions. The device offers a transmit power range from 0 dBm to 4 dBm, allowing network engineers to adjust the power output based on the specific requirements of the network, whether it's optimizing for longer distances or ensuring low power consumption. Speaking of power, the maximum power consumption of this device is notably low at just 1 W, making it an energy-efficient choice for organizations looking to reduce their operational costs and environmental impact. The Minimum Transmit Power and Maximum Transmit Power specs ensure flexibility in adjusting signal strength, which is crucial for optimizing network performance and reliability. The hardware's mean time between failures (MTBF) is impressively high at 5,346,554 hours, indicating a reliable performance and reduced likelihood of downtime or maintenance interruptions over the device's lifespan. This reliability is essential for networks where uptime is critical, such as in financial services, healthcare, and telecommunications. For connectivity, the CISCO ONS-SC-2G-48.5 uses an LC-LC supported cable connection, which is widely adopted in the industry for its ease of use and secure locking mechanism. This type of connection ensures a stable and reliable physical link, which is foundational to overall network performance. The device is compliant with key industry standards, including ITU G694 and GR2918, ensuring that it can be integrated into a wide range of optical networking environments without compatibility issues. Operational efficiency is further supported by the device's broad operating temperature range, from 0 °C to 70 °C. This range ensures that the CISCO ONS-SC-2G-48.5 can function optimally in various environmental conditions, from cooler data centers to warmer outdoor installations. Key specifications include: -
  • Wavelength: 1548.51 nm
  • Minimum Receiver Wavelength: 1260 nm
  • Maximum Receiver Wavelength: 1620 nm
The CISCO ONS-SC-2G-48.5 stands out for its precise wavelength operation, energy efficiency, and reliability. Its specifications make it a suitable option for organizations looking to deploy a high-performance, durable optical network.


Part Number CISCO ONS-SC-2G-48.5
Manufacturer CISCO
Emission Wavelength 1548.51 nm
Lowest Receiver Wavelength 1260 nm
Highest Receiver Wavelength 1620 nm
Transmitter Stability (Low) -100 pm
Transmitter Stability (High) +100 pm
Spectral Bandwidth 200 pm
Minimum Output Power 0 dBm
Peak Output Power 4 dBm
Mean Time Between Failures (MTBF) 5,346,554 Hours
Energy Consumption Maximum 1 W
Cable Type Supported LC-LC
Compliance ITU G694, GR2918
Operational Temperature Range 0 °C to 70 °C

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