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by Cisco
Product Line: Cisco DWDM-X2-48.51=
Product Type: Transceiver
Original price $0.00 - Original price $207.00
Original price
$0.00 - $207.00
Current price $207.00
Title: Used

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Product Description

The DWDM-X2-48.51 is a pluggable, 10GBASE module with a 1548.51 nm wavelength, designed for high-density data transmission over 100 GHz ITU Channel 36 with a dual SC/PC connector. It operates within a temperature range of 0 °C to 70 °C, supports digital optical monitoring, and is compatible with patch cords featuring PC or UPC connectors. This module has a maximum power consumption of 4 W, supports hot swapping, and adheres to safety and quality standards including Laser Class I, NEBS Level 3, and Cisco Quality Identification.

Key Feature for the DWDM-X2-48.51=

  • What is the form factor of this networking hardware?
    The form factor is Pluggable.
  • What wavelength does part number utilize?
    It operates at a wavelength of 1548.51 nm.
  • Can this device be used in 10GBASE networks?
    Yes, it is compatible with 10GBASE port types.
  • What is the frequency grid specification for?
    The device adheres to a 100 GHz ITU grid.
  • Is this product compatible with Dual SC/PC connectors?
    Yes, it features Dual SC/PC connectors for connectivity.
  • What are the dimensions of this device?
    It measures 91 mm in depth, 36 mm in width, and 13.46 mm in height.
  • What is the maximum power consumption?
    The maximum power consumption is 4 W.
  • Does this device support hot swapping?
    Yes, it supports hot swap functionality.
  • What is the operating temperature range?
    The operating temperature ranges from 0 °C to 70 °C.
  • Is digital optical monitoring supported?
    Yes, it includes support for digital optical monitoring.

Product Review

The Cisco DWDM-X2-48.51 module offers a precise 1548.51 nm wavelength and is compatible with 10GBASE ports, designed for high-performance networking with its support for ITU Channel 36 on a 100 GHz grid. Despite its technical strengths, the module's maximum power consumption of 4 W and the need for dual SC/PC connectors may limit its flexibility in some network environments. It excels in durability and operational range, with a wide operating temperature range from 0 °C to 70 °C and compliance with safety and NEBS Level 3 standards, alongside features like hot swap support and digital optical monitoring for enhanced network reliability.


The Cisco DWDM-X2-48.51= is a high-performance, pluggable networking module designed to meet the demands of high-bandwidth networks. Tailored for 10 Gigabit Ethernet applications, this module operates on a 1548.51 nm wavelength with a 100 GHz frequency, aligning with ITU Channel 36 standards. Its compatibility with the 10GBASE port type ensures seamless integration into existing network infrastructures. Crafted for durability and reliability, the DWDM-X2-48.51= features a dual SC/PC connector, ensuring secure and efficient connections. Its compact dimensions, with a depth of 91 mm, width of 36 mm, and height of 13.46 mm, allow for easy installation in a variety of network environments. Despite its small size, the module supports a significant power consumption up to 4 W, ensuring optimal performance under various conditions. Temperature resilience is a key feature of the DWDM-X2-48.51=, with operational capabilities ranging from 0 °C to 70 °C and storage temperatures from -40 °C to 85 °C. This wide temperature range guarantees reliability across different environmental conditions. The module adheres to stringent safety and quality standards, including Laser Class I according to 21CFR1040 and NEBS Level 3 compliance, underlining its safety for network deployment.
  • Hot Swap support enables easy replacement and upgrades without network disruption.
  • Digital Optical Monitoring allows for real-time tracking of signal parameters, enhancing network reliability.
  • Cisco Quality Identification (ID) support ensures compatibility with Cisco networking equipment, simplifying integration and maintenance.
Weighing less than 300 grams, the DWDM-X2-48.51= is lightweight yet robust. It supports patch cords with PC or UPC connectors, offering flexibility in network design and connectivity options. The module's transmitter exhibits a spectral width of 0.2 nm (maximum), ensuring precise signal transmission and minimal interference. The receiver component of the DWDM-X2-48.51= is designed to withstand a maximum damage threshold of -1.0 dBm, with a dispersion tolerance up to 1600 ps/nm and an optical input power range up to -7 dBm (maximum). These specifications indicate the module's capability to maintain signal integrity over long distances and in challenging conditions. In summary, the Cisco DWDW-X2-48.51= module is a versatile, high-capacity networking solution engineered for 10 Gigabit Ethernet applications. Its adherence to ITU standards, combined with advanced features such as hot swap support, digital optical monitoring, and Cisco Quality Identification, make it a valuable addition to any high-performance networking environment. The module's extensive temperature range, safety certifications, and compatibility with various connector types further ensure its adaptability to a wide range of networking scenarios.


Item Number Cisco DWDM-X2-48.51=
Design Module Type
Light Wavelength 1548.51 nanometers
Interface Standard 10 Gigabit Ethernet
Channel Spacing 100 Gigahertz
Channel Plan ITU Grid
ITU Grid Position Channel 36
Connection Interface SC/PC Duplex
Module Depth 91 millimeters
Module Width 36 millimeters
Module Height 13.46 millimeters
Peak Power Use 4 Watts
Operational Temp Min 0 Degrees Celsius
Operational Temp Max 70 Degrees Celsius
Storage Temp Min -40 Degrees Celsius
Storage Temp Max 85 Degrees Celsius
Regulatory Compliance Class I Laser per 21CFR1040, NEBS Level 3
Exchangeable While Operational Supported
Optical Monitoring Capability Enabled
Mass Under 300 grams
Recommended Fiber Type PC or UPC Fiber Patch Cables
Authentication Feature Enabled
Emission Bandwidth (Tx) Less than 0.2 nanometers
Receiver Overload Limit No more than -1.0 dBm
Dispersion Tolerance (Rx) Up to 1600 picoseconds/nanometer
Optimal Receiver Input -7 dBm or higher

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