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by Cisco
Product Line: Cisco ONS 15400 Series
Product Type: Demultiplexer
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Title: Surplus

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Product Description

The 15454-40-DMX-C is a Cisco networking hardware designed for dense wavelength division multiplexing with a 40-channel capacity over the C-band, featuring Array Wave Guide filter technology. It operates within a temperature range of -5 °C to 55 °C and a humidity range of 5% to 95%, ensuring reliability under various environmental conditions. Key technical specifications include a maximum input power of 25 dBm, insertion loss of 5.8 dB, and a power draw of 20 W, with connectivity options through MPO channel input/output ports and LC composite ports.

FAQs for the 15454-40-DMX-C

  • What is the operating temperature range for this device?
    • The operating temperature range is from -5 °C to 55 °C.
  • Can you specify the insertion loss for part number C?
    • The insertion loss for part number C is 5.8 dB.
  • What are the humidity specifications for operation and storage?
    • Operating humidity is 5% to 95%, and storage humidity is also 5% to 95%.
  • How many channels does part number C support, and what is its maximum input power?
    • Part number C supports 40 channels and has a maximum input power of 25 dBm.
  • What type of filter does the device use?
    • The device uses an Array Wave Guide filter.
  • Describe the crosstalk values for part number C.
    • Part number C has a minimum adjacent crosstalk of 25 dB and a minimum non-adjacent crosstalk of 34 dB.
  • What is the range of the Variable Optical Attenuator (VOA) dynamic range?
    • The VOA dynamic range is from 25 dB minimum.
  • What are the specifications for polarization dependent loss for part number C?
    • Part number C has a maximum polarization dependent loss of 0.6 dB.
  • What types of ports does the device feature for channel input/output?
    • The device features MPO ports for channel input/output.
  • How accurate is the optical power setting for part number C?
    • The optical power setting accuracy for part number C is within -0.7/0.7 dB.

Product Review

The CISCO 15454-40-DMX-C offers a dynamic range and maximum input power suitable for diverse network demands, with a minimum VOA dynamic range of 25 dB and maximum input power of 25 dBm, ensuring adaptability in various optical networking environments. However, the insertion loss at 5.8 dB could be a drawback for systems requiring lower signal attenuation. Additionally, its operational temperature and humidity ranges are comprehensive, supporting reliability in varying environmental conditions, but the power draw of 20 W may necessitate careful power management in densely populated racks.


The CISCO 15454-40-DMX-C is a sophisticated piece of networking hardware designed for high-capacity optical networks. This demultiplexer module is engineered to seamlessly integrate into existing setups, offering efficient channel management across the Odd or Even Band C with its 40-channel capacity. Its primary function is to enhance the capability and flexibility of optical networking systems by providing reliable channel separation and signal processing. One of the key features of the CISCO 15454-40-DMX-C is its array waveguide filter type, which ensures minimal insertion loss with a specification of 5.8 dB, thereby maintaining signal integrity across the network. This is critical for maintaining high-quality communication links over various distances. The device supports a maximum input power of 25 dBm, which is a testament to its ability to handle high-power signals without degradation. The hardware is also designed with a focus on durability and operational reliability under a wide range of environmental conditions. It operates efficiently within a temperature range of -5 °C to 55 °C and can withstand storage temperatures from -40 °C up to 70 °C. Humidity resilience is also notable, with operational humidity thresholds from 5% to 95%, and similar robustness in storage conditions. This ensures that the module remains reliable even in challenging environmental conditions.
  • Channel input/output ports utilize MPO connectors, while composite ports employ LC connectors, facilitating versatile connectivity options for different network configurations.
  • Optical performance metrics include a minimum variable optical attenuator (VOA) dynamic range of 25 dB and a maximum polarization dependent loss of 0.6 dB, ensuring efficient and consistent signal transmission.
  • The module features several LED indicators for status monitoring, including Failure (FAIL), Active/Standby (ACT/STBY), and Signal Fail (SF), providing instant visual feedback on operational status.
The CISCO 15454-40-DMX-C also boasts a high minimum return loss of 40 dB, which significantly reduces signal reflection and potential transmission errors. This, along with a minimum adjacent crosstalk of 25 dB and non-adjacent crosstalk of 34 dB minimum, underscores the module's capability to maintain signal clarity and integrity even in densely populated network environments. Optical power setting accuracy ranges from -0.7 to 0.7 dB, highlighting the precision with which this device operates. The importance of accurate power settings cannot be overstated, as it directly impacts the quality of the transmitted signal and the overall network performance. With a power draw of 20 W and requiring only one slot for installation, the CISCO 15454-40-DMX-C is an energy-efficient and space-saving solution for expanding network capabilities. Its design and technical specifications make it an ideal choice for network administrators looking to enhance their system's performance, reliability, and scalability.


Item Number CISCO 15454-40-DMX-C
Manufacturer CISCO
Odd/Even Configuration Odd
Transmission Band C
Channel Count 40
Indicator Lights Failure (FAIL), Active/Standby Mode (ACT/STBY), Signal Fail (SF)
Lowest Operating Temp -5 °C
Highest Operating Temp 55 °C
Operating Humidity Minimum 5%
Operating Humidity Maximum 95%
Lowest Storage Temp -40 °C
Highest Storage Temp 70 °C
Humidity Range for Storage 5% to 95%
Insertion Loss 5.8 dB
VOA Dynamic Range Minimum 25 dB
Input Power Ceiling 25 dBm
Filtering Technology Array Wave Guide
Bandwidth of Transmit Filter Minimum -1 dB at +/-100 pm
Adjacent Channel Interference Minimum 25 dB
Non-Adjacent Channel Interference Minimum 34 dB
Max Polarization Loss 0.6 dB
Accuracy of Optical Power Setting -0.7/0.7 dB
Return Loss Minimum 40 dB
Energy Consumption 20 W
Slot Count 1
Channel Port Type MPO
Unified Ports LC

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