Cisco 15540-MDXD-04A0 ONS 15540 ESPx - 4 Channel Mux/Demux Band A with OSC

Cisco 15540-MDXD-04A0 ONS 15540 ESPx - 4 Channel Mux/Demux Band A with OSC
Cisco 15540-MDXD-04A0 ONS 15540 ESPx - 4 Channel Mux/Demux Band A with OSC
The Cisco ONS 15540 ESPx is a high performance 4 channel multiplexor/demultiplexor (Mux/Demux) designed for Band A applications with an integrated optical supervisory channel (OSC). Engineered for dense wavelength division multiplexing (DWDM) environ... Read More
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$36.95

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  • In Stock: 2
  • Manufacturer: Cisco
  • Model or Part: 15540-MDXD-04A0
  • Condition: Refurbished
  • Weight: 22.00lb
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New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview
The Cisco ONS 15540 ESPx is a high performance 4 channel multiplexor/demultiplexor (Mux/Demux) designed for Band A applications with an integrated optical supervisory channel (OSC). Engineered for dense wavelength division multiplexing (DWDM) environments, this module provides reliable, low latency channel management for carrier and metro networks. Its compact form factor and plug-in design make it ideal for seamless integration into Cisco ONS platforms, delivering robust performance while simplifying network architecture.

Key Features

  • Four independent Band A channels for flexible bandwidth allocation
  • Integrated OSC for continuous link monitoring and fault detection
  • Low insertion loss and high isolation to maintain signal integrity
  • Hot-swappable design for zero-downtime maintenance
  • Built-in diagnostics and alarm reporting via standard management interfaces
  • Compact 1U form factor compatible with Cisco ONS chassis

Technical Specifications

  • Model/Part Number: 15540-MDXD-04A0
  • Channel Count: 4
  • Operating Wavelength Range: 1528 nm to 1565 nm (Band A)
  • Optical Power Range: -30 dBm to 0 dBm per channel
  • Insertion Loss: < 0.5 dB typical
  • Channel Isolation: > 30 dB
  • Temperature Operating Range: 0 deg to 70 deg Celsius
  • Power Consumption: 12 W max
  • Management Interface: SNMP, CLI, Web GUI

Applications
The ONS 15540 ESPx is suited for a variety of high-capacity network scenarios, including:

  • Carrier Ethernet aggregation and transport
  • Metro and regional DWDM networks
  • Optical transport for data center interconnects
  • Ring and mesh topologies requiring resilient link supervision
  • Network upgrades where space and power efficiency are critical

By delivering precise channel control, built-in monitoring, and easy integration, the Cisco ONS 15540 ESPx helps operators maximize network uptime, reduce operational complexity, and scale bandwidth to meet growing demand.