Cisco DWDM-XFP-56.55 Module

Overview

The Cisco DWDM-XFP-56.55 Module is a high-performance dense wavelength division multiplexing (DWDM) transceiver designed for carrier grade optical networks. Engineered to deliver reliable 56 Gbps and 55 Gbps data rates over single mode fiber, this module enables service providers and enterprises to scale bandwidth efficiently while maintaining low latency and high signal integrity.

Key Features

• Supports 56 Gbps and 55 Gbps Ethernet, OTN and Fibre Channel protocols
• Compact XFP form factor for easy integration into Cisco DWDM platforms
• Extended reach up to 120 km with standard single mode fiber (SMF) and up to 200 km with dispersion compensating modules
• Low power consumption of less than 5 watts for reduced operational costs
• Built-in optical performance monitoring (OPM) for real-time link health assessment
• Hot-swappable design for non-disruptive maintenance and upgrades

Technical Specifications

• Form factor: XFP
• Data rates: 56 Gbps / 55 Gbps
• Wavelength: 1550 nm (C band)
• Optical output power: -5 dBm to +2 dBm
• Receiver sensitivity: -28 dBm (typical)
• Operating temperature: 0 deg to 70 deg C
• Power supply: 5 V DC, 1 A max
• Compliance: IEC 61753-1, RoHS

Applications

• Metro Ethernet aggregation and backhaul
• High-speed data center interconnects
• Long-haul carrier networks requiring dense channel spacing
• Financial trading platforms that demand ultra-low latency
• Cloud service provider infrastructure scaling
• Enterprise campus extensions over fiber

By choosing the Cisco DWDM-XFP-56.55 Module, network operators gain a future-proof solution that maximizes capacity, simplifies deployment, and ensures robust performance across a wide range of demanding optical environments.