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by Cisco
Product Line: Cisco ONS 15200 Series
Product Type: Optical Add/Drop Multiplexer
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Product Description

The 15216-AD2-2-55.7 CISCO module operates on wavelengths of 1555.75 nm and 1554.13 nm, with an ITU frequency of 200 GHz and supports 2 OADM channels. It features a maximum insertion loss of 2.0 dB for pass through, 2.6 dB for drop, and 4.0 dB for addition, and is designed for a 1 RU form factor with SC Bulkhead Adapters for connectivity. The module maintains a directivity of 55 dB, an optical return loss of 40 dB, and a polarization mode dispersion of 0.1 ps, suitable for operation within a temperature range of 0 °C to 70 °C.

FAQs for the 15216-AD2-2-55.7

  • What wavelengths do the OADM channels operate at?
    The OADM operates at wavelengths of 1555.75 nm and 1554.13 nm.
  • How many channels does the device support?
    The device supports 2 channels.
  • What is the maximum insertion loss for the pass-through port?
    The maximum insertion loss for the pass-through port is 2.0 dB.
  • What form factor does the OADM have?
    The OADM has a 1 RU form factor.
  • What is the maximum insertion loss for adding a channel?
    The maximum insertion loss for adding a channel is 4.0 dB.
  • What type of connectors does the OADM use?
    The OADM uses SC Bulkhead Adapters.
  • What is the maximum optical power input the OADM can handle?
    The maximum optical power input the OADM can handle is 250 mW.
  • What is the directivity of the OADM?
    The OADM has a minimum directivity of 55 dB.
  • What are the operating temperature limits for the OADM?
    The operating temperature ranges from 0 °C to 70 °C.
  • What is the polarization mode dispersion of the OADM?
    The polarization mode dispersion of the OADM is 0.1 ps (Maximum).

Product Review

The CISCO 15216-AD2-2-55.7 offers precise wavelength operation at 1555.75 nm and 1554.13 nm with an ITU frequency of 200 GHz, catering to applications requiring two channels with OADM channel type, making it suitable for targeted wavelength division multiplexing. However, the device presents challenges with insertion losses, reaching up to 4.0 dB for addition, 2.6 dB for drop, and 2.0 dB for pass-through, which may affect signal strength and system efficiency. Its 1 RU form factor and SC bulkhead adapters facilitate integration into standard 19-inch racks, providing a minimum directivity of 55 dB and polarization mode dispersion capped at 0.1 ps, ensuring compatibility and reliability within dense network infrastructures.


The CISCO 15216-AD2-2-55.7 is a specialized networking hardware component designed for precise optical wavelength division multiplexing. This device operates at two primary wavelengths, 1555.75 nm and 1554.13 nm, within the ITU frequency standard of 200 GHz, facilitating efficient optical add-drop multiplexing (OADM) across two channels. It's tailored for systems requiring high precision in channel management with minimal signal distortion. Engineered for performance, the device exhibits an insertion loss in pass-through mode of up to 2.0 dB, ensuring minimal signal degradation during transmission. For drop and addition operations, the insertion losses are capped at 2.6 dB and 4.0 dB, respectively. These specifications indicate a balance between high-performance functionality and signal integrity. Housed in a 1 RU form factor, the CISCO 15216-AD2-2-55.7 is designed for compatibility with standard 19-inch racks. Its compact dimensions, with a height of 1.75 inches, a width of 17 inches, and a depth of 12 inches, allow for efficient space utilization in densely populated network environments. Connectivity is facilitated through SC bulkhead adapters, ensuring secure and reliable optical connections.
  • Directivity is maintained at a minimum of 55 dB, contributing to the device's ability to minimize crosstalk between signals.
  • It boasts an optical return loss of at least 40 dB and a polarization mode dispersion of no more than 0.1 ps, underscoring its capacity to maintain signal fidelity.
  • Passband flatness is kept within 1 dB, optimizing performance across the operational bandwidth.
The CISCO 15216-AD2-2-55.7 supports an optical power input of up to 250 mW, accommodating high-intensity signals without compromising device integrity. It ensures that adjacent dropped wavelengths are isolated by a minimum of 30 dB, and non-adjacent dropped wavelengths by at least 40 dB, safeguarding against interference and signal leakage. Operational efficiency is further evidenced by its wavelength tolerance of +/-25 nm, providing flexibility and reliability in wavelength assignment within the network. This device is engineered to perform within a broad temperature range, from 0 °C to 70 °C for operating conditions, and can withstand storage temperatures between -40 °C and -85 °C, ensuring durability and reliability across various environmental conditions. In summary, the CISCO 15216-AD2-2-55.7 stands out for its meticulous design and engineering, tailored to meet the demands of advanced optical networks. Its specifications demonstrate a commitment to performance, reliability, and efficiency, making it a suitable choice for network operators seeking to optimize their optical transmission systems.


Item Number CISCO 15216-AD2-2-55.7
Manufacturer CISCO
Emission Wavelengths 1555.75 nm / 1554.13 nm
ITU Grid Spacing 200 GHz
Channel Count 2
Channel Designation OADM
Throughput Insertion Deterioration Up to 2.0 dB
Drop Insertion Deterioration Up to 2.6 dB
Add Insertion Deterioration Up to 4.0 dB
Device Size 1 RU
Compatible Rack Width 19 inches
Unit Height 1.75 inches
Unit Width 17 inches
Unit Depth 12 inches
Connection Interface SC Bulkhead Adapters
Signal Separation Minimum 55 dB
Return Loss Minimum 40 dB
Polarization Discrepancy Max 0.1 ps
Wavelength Precision +/-25 nm
Uniformity of Passband Up to 1 dB
Max Optical Power Handling 250 mW
Isolation between Adjacent Channels Minimum 30 dB
Isolation between Non-Adjacent Channels Minimum 40 dB
Operational Temperature Range Low 0 °C
Operational Temperature Range High 70 °C
Storage Temperature Range Low -40 °C
Storage Temperature Range High -85 °C

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