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by Cisco
Product Line: Cisco Series
Product Type: Single Module ROADM
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Original price $0.00 - Original price $0.00
Original price
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Title: Surplus

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Product Description

The 15454-40-SMR2-C Cisco module integrates an optical preamplifier and boost amplifier, supporting up to 40 channels with a 6 dB insertion loss and a minimum variable optical attenuator (VOA) dynamic range of 25 dB. It features a maximum input power of 27 dBm, a filter type of array wavelength selective switch, and offers advanced performance metrics including a maximum polarization dependent loss of 0.8 dB, minimum return loss of 40 dB, and adjacent/nonadjacent crosstalk of 37 dB and 45 dB, respectively. Designed for efficiency and scalability, it occupies a single slot, operates within a temperature range of 0 °C to 40 °C, and draws 35 W of power, with card LEDs for monitoring system status.

FAQs for the 15454-40-SMR2-C

  • What is the maximum input power of the device?
    The maximum input power is 27 dBm.
  • How does the number of channels influence the device's performance?
    The device supports 40 channels, enabling it to handle multiple signals simultaneously for efficient optical networking.
  • What type of filter does the device use?
    It uses an Array Wavelength Selective Switch as its filter type.
  • What is the minimum dynamic range of the Variable Optical Attenuator (VOA)?
    The minimum VOA dynamic range is 25 dB.
  • What is the significance of the device's insertion loss?
    An insertion loss of 6 dB indicates the amount of signal power loss due to the device's integration in the network.
  • Can you explain the device's output power capability?
    The device's output power (Pre-Amplifier) is +17.5 dBm, which determines its efficiency in amplifying optical signals.
  • What measures are in place for crosstalk prevention?
    Adjacent crosstalk is limited to 37 dB and nonadjacent crosstalk to 45 dB, minimizing signal interference.
  • How does the device handle polarization dependent loss?
    The maximum polarization dependent loss is 0.8 dB, ensuring minimal signal quality degradation due to polarization effects.
  • What are the operating temperature and humidity ranges for the device?
    Operating temperature ranges from 0 °C to 40 °C with a relative humidity range of 5% to 85% (Noncondensing).
  • Describe the device's indicators and their meanings.
    Card LEDs indicate Failure (FAIL), Active/standby (ACT/STBY), and Signal fail (SF), providing status information at a glance.

Product Review

The CISCO 15454-40-SMR2-C offers a comprehensive solution for network engineers seeking enhanced optical performance, featuring a 40-channel capacity with an integrated optical pre-amplifier and boost amplifier for improved signal quality. However, its insertion loss at 6 dB and a maximum noise figure of 7.5 dB might limit its application in scenarios requiring ultra-low loss or noise figures. Additionally, its operational temperature range from 0 °C to 40 °C and power draw of 35 W make it suitable for a variety of environments, though power efficiency and cooling requirements should be considered in deployment planning.


The CISCO 15454-40-SMR2-C is a high-capacity, single-slot module designed for optical networking, offering a blend of performance and scalability. This module is engineered to support 40 channels, making it suitable for dense wavelength division multiplexing (DWDM) applications. It integrates seamlessly with Optical Pre-amplification and Boost Amplification to facilitate efficient signal transmission across long distances. At the core of its design, the module boasts an array wavelength selective switch filter type, ensuring precise wavelength selection with minimal signal degradation. The hardware specifications reveal an insertion loss of 6 dB and a minimum variable optical attenuator (VOA) dynamic range of 25 dB, which contributes to its efficient signal processing capabilities. The maximum input power of 27 dBm allows for robust signal handling, complemented by a minimum transmit filter bandwidth of +/-200 pm, ensuring high-quality signal transmission. Key performance metrics include: - Adjacent crosstalk at 37 dB and nonadjacent crosstalk at 45 dB, indicating superior isolation between channels. - A maximum polarization dependent loss of 0.8 dB and a minimum return loss of 40 dB, ensuring minimal signal distortion. - The pre-amplifier supports full-channel loading ranging from -21 to 12 dBm and 1-channel loading from -43 to -10 dBm, showcasing its versatility in handling various signal strengths. Additional specifications highlight the pre-amplifier's output power of +17.5 dBm and a gain range of 5 to 38 dB, with a peak to valley gain ripple of 1.2 dB. This underlines the module's ability to maintain consistent signal amplification across its operating range. The gain and power regulation are maintained within 0.5 dB, and the maximum noise figure stands at 7.5 dB, indicating efficient noise management.
  • Midstage insertion loss range for dispersion compensation unit in the pre-amplifier spans 0 to 9 dB, accommodating a wide range of dispersion management scenarios.
  • Transient suppression is enabled, ensuring signal stability and integrity during rapid power changes.
  • The module's power draw is 35 W, optimizing energy consumption within its operational framework.
Designed for a single slot within the chassis, the CISCO 15454-40-SMR2-C is efficient in space utilization, making it ideal for environments where rack space is at a premium. It operates within a temperature range of 0 °C to 40 °C and can withstand relative humidity levels from 5% to 85% (noncondensing), ensuring reliable performance under varying environmental conditions. For ease of monitoring and maintenance, the module is equipped with card LEDs indicating failure (FAIL), active/standby status (ACT/STBY), and signal fail (SF), providing instant visual feedback on operational status. This feature streamlines troubleshooting and enhances the module's usability in complex network configurations. In summary, the CISCO 15454-40-SMR2-C stands out as a powerful solution for DWDM applications, combining efficient amplification, precise wavelength selection, and robust signal handling in a compact form factor. Its comprehensive feature set and operational flexibility make it a valuable asset in high-capacity optical networks.


Part Number and ManufacturerCISCO 15454-40-SMR2-C
CompatibilityOptical Performance Edge, Enhanced Amplifier
Channel Quantity40
Insertion Deterioration6 dB
VOA Minimum Operational Range25 dB
Peak Input Capacity27 dBm
Filtering MechanismArrayed Wavelength Selective Switching
Bandwidth Minimum Transmission Filter-1.5 dB at +/-200 pm
Direct Neighbor Crosstalk37 dB
Distant Neighbor Crosstalk45 dB
Highest Polarization Loss Dependency0.8 dB
Lowest Return Deterioration40 dB
Operational Range with Full Channel (Pre-Amplifier)-21 to 12 dBm
Operational Range with Single Channel (Pre-Amplifier)-43 to -10 dBm
Amplified Output (Pre-Amplifier)+17.5 dBm
Adjustable Gain Scope (Pre-Amplifier)5 to 38 dB
Maximum Variation in Gain (Pre-Amplifier)1.2 dB
Regulation of Gain and Output (Pre-Amplifier)0.5 dB
Upper Noise Figure (Pre-Amplifier)7.5 dB
Dispersion Compensation Unit Loss Range (Pre-Amplifier)0 to 9 dB
Fluctuation Control (Pre-Amplifier)Yes
Electrical Consumption35 W
Slot Requirement1
Temperature Operational Range0 °C to 40 °C
Humidity Tolerance5% to 85% (Noncondensing)
Indicator LEDsFailure (FAIL), Active/standby (ACT/STBY), Signal fail (SF)

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