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by Cisco
Product Line: Cisco Series
Product Type: ROADM
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Title: Surplus

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Product Description

The 15454-40-WSS-C Cisco is a plug-in wavelength selective switch optimized for C Band operation with 40 channels on the ITU 100 GHz wavelength plan, supporting odd channel operation. It features an insertion loss ranging from 2.3dB to 7.5dB across various paths, with a maximum input power of 25 dBm and a card power draw of 63 W. The device operates within a temperature range of -5 °C to 55 °C and a humidity range of 5% to 95%, ensuring reliability across diverse environmental conditions.

FAQs for the 15454-40-WSS-C

  • What is the operating temperature range of this device?
  • The operating temperature range is from -5 °C to 55 °C.

  • How many channels does the device support?
  • It supports 40 channels.

  • What type of plug-in option is available for this hardware?
  • Yes, a plug-in option is available.

  • Can the device operate on both odd and even channels?
  • It operates on odd channels.

  • What are the card LED indicators available?
  • The card LEDs indicate Failure (FAIL), Active/Standby (ACT/STBY), and Signal Fail (SF).

  • What is the maximum input power the device can handle?
  • The maximum input power is 25 dBm.

  • What wavelengths does the ITU 100 GHz plan cover?
  • The ITU 100 GHz wavelength plan is designed to accommodate various wavelengths within the ITU grid, specifically tailored for dense wavelength division multiplexing (DWDM) systems.

  • What is the maximum polarization dependent loss recorded?
  • The maximum polarization dependent loss is 3.5 dB for Add 1-40 - COM-TX.

  • What is the minimum and maximum operating humidity?
  • The operating humidity ranges from 5% to 95%.

  • How does the insertion loss vary across different paths?
  • Insertion loss varies as follows: 7.5dB (EXP-RX - COM-TX), 2.3dB (COM-RX - EXP-TX), 6.8dB (Add 1-40 - COM-TX), 6.0dB (COM-RX - DROP-TX).

Product Review

The CISCO 15454-40-WSS-C, with its 40 channels on the C band and ITU 100 GHz wavelength plan, is designed for intricate optical networking, allowing for efficient odd/even operation and plug-in flexibility. However, its insertion loss values, particularly 7.5dB for EXP-RX to COM-TX and 6.8dB for Add 1-40 to COM-TX, may impact system performance in scenarios demanding ultra-low loss. Its operating temperature range from -5 °C to 55 °C and humidity tolerance make it adaptable to various environmental conditions, though the high card power draw of 63 W necessitates careful thermal management within densely packed systems.


The CISCO 15454-40-WSS-C is a wavelength selective switch designed for C-band operation, specifically tailored for networks requiring up to 40 channels. This device stands out for its precise operation in odd channels, aligning with the ITU 100 GHz wavelength plan, ensuring compatibility and optimization for dense wavelength division multiplexing (DWDM) systems. Key to its functionality, the 15454-40-WSS-C supports plug-in installation, providing ease of integration into existing network infrastructures. This product is equipped with a comprehensive set of card LEDs to indicate various statuses: Failure (FAIL), Active/Standby (ACT/STBY), and Signal Fail (SF). These indicators provide immediate visual feedback on the operational state of the device, facilitating quick diagnostics and maintenance actions.
  • Operating temperature ranges from -5 °C to 55 °C, accommodating a wide array of environmental conditions without compromising performance.
  • Operating and storage humidity levels are maintained between 5% and 95%, ensuring the device's resilience in diverse climatic conditions.
  • The storage temperature mirrors the operating temperature extremes, ranging from -40 °C to 85 °C, highlighting the unit's durability over time.
The 15454-40-WSS-C features an insertion loss ranging from 2.3dB to 7.5dB across different signal paths, with the minimum variable optical attenuator (VOA) dynamic range between 20 dB and 25 dB, depending on the specific path. Its maximum input power capability is 25 dBm, accommodating high-power signal transmissions. The device employs an array wave guide as its filter type, ensuring precise wavelength selection and minimal signal degradation. For signal integrity, the minimum transmit filter bandwidth is maintained at +/-135 pm for the EXP-RX COM-TX and +/-160 pm for the Add COM-TX, supporting tight wavelength control. Crosstalk is effectively managed with adjacent crosstalk at 30 dB and nonadjacent crosstalk at 42 dB, ensuring minimal interference between channels. Polarization dependent loss is kept to a minimum, with a maximum of 3.5 dB noted in specific signal paths, thereby maintaining signal consistency regardless of polarization changes. The optical power setting accuracy is within -0.7/0.7 dB, providing precise control over signal power levels. A high minimum return loss of 40 dB further exemplifies the device's efficiency in minimizing signal back reflection, which could otherwise degrade performance. Power consumption is capped at 63 W, reflecting the device's optimized energy use for its capabilities. In summary, the CISCO 15454-40-WSS-C is engineered to meet the demands of high-capacity, DWDM optical networks. Its hardware specifications, including the operational temperature, humidity ranges, and technical performance metrics, make it a suitable choice for network operators seeking efficient, reliable wavelength selective switching solutions.


ItemCISCO 15454-40-WSS-C
Channel Count40
Optical BandC
Channel ConfigurationOdd
Form FactorModule
Wavelength GridITU 100 GHz
Indicator LightsFailure, Active/Standby, Signal Fail
Lowest Operating Temp-5 °C
Highest Operating Temp55 °C
Operational Humidity Min5%
Operational Humidity Max95%
Storage Temperature Min-40 °C
Storage Temperature Max85 °C
Storage Humidity Min5%
Storage Humidity Max95%
Insertion Loss Values7.5dB (EXP-RX to COM-TX), 2.3dB (COM-RX to EXP-TX), 6.8dB (Add 1-40 to COM-TX), 6.0dB (COM-RX to DROP-TX)
VOA Dynamic Range Min20 dB (EXP-RX to COM-TX), 25 dB (Add 1-40 to COM-TX)
Input Power Peak25 dBm
Filtering TechnologyArray Wave Guide
Transmit Filter Bandwidth Min-1 dB at +/-135 pm (EXP-RX COM-TX), +/-160 pm (Add COM-TX)
Adjacent Channel Interference30 dB
Non-Adjacent Channel Interference42 dB
Polarization Loss Max3.5 dB (Add 1-40 to COM-TX), 0.2 dB (COM-RX to EXP-TX), 0.4 dB (COM-RX to DROP-TX)
Optical Power Precision-0.7/0.7 dB
Return Loss Min40 dB
Energy Consumption63 W

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