The Cisco DWDM-XFP-56.55= transceiver module is designed for high-capacity, long-distance optical networking. This module is a critical component for enterprises and service providers looking to expand their network's bandwidth capabilities while ensuring reliable, high-speed data transmission. It is specifically engineered for use with Cisco switches, routers, and optical transport devices, optimizing network performance and compatibility. At the core of its specifications, the module operates with a form factor of XFP and supports a maximum data rate of 10.5 Gb/s, making it suitable for high-bandwidth applications. It can transmit data over distances up to 80 km without signal degradation, thanks to its EML transmitter and APD receiver. These components ensure the module's efficiency and reliability over long distances, making it an ideal choice for extensive network infrastructures. The Cisco DWDM-XFP-56.55= operates at a wavelength of 1556.55 nm within the C-band, the most widely used band for DWDM technology due to its low attenuation properties. This allows for denser channel spacing and, consequently, a higher capacity for data transmission. The module is designed to fit into the ITU Channel 26 with a channel spacing of 100 GHz, adhering to stringent DWDM network spacing requirements. This module also features Digital Optical Monitoring (DOM) support, enabling real-time monitoring of the module's operational parameters, such as temperature, supply voltages, laser bias current, transmit optical power, and receive optical power. This capability allows for proactive maintenance and troubleshooting, ensuring the network's optimal performance.

• Connector Type: Duplex LC, ensuring high compatibility and easy integration into existing network infrastructures.
• Cable Type: SMF (Single-Mode Fiber), offering superior performance for long-distance transmission.
• Protocols: SFP+ MSA Compliant, CPRI, eCPRI, ensuring broad compatibility with various networking standards and devices.

The module operates efficiently within a temperature range from -40 °C to 85 °C, making it resilient in diverse environmental conditions. This wide operating temperature range is crucial for ensuring reliability in various deployment scenarios, from data centers to outdoor installations. Power consumption is capped at a maximum of 3.5 W, aligning with energy-efficient network design principles. The transmitter power ranges from -1 dBm to 4 dBm, while the receiver sensitivity is less than -24 dBm, indicating the module's ability to perform reliably under varying signal strengths. In summary, the Cisco DWDM-XFP-56.55= transceiver module is a high-performance, long-distance networking solution. It combines advanced optical technology with practical features like digital diagnostics and broad protocol support, making it an essential component for modern, high-capacity networks. Its compatibility with Cisco devices and adherence to industry standards further ensures that this module is a versatile choice for upgrading and expanding network infrastructures.

Item Number	Cisco DWDM-XFP-56.55=
Manufacturer	Cisco
Module Type	XFP
Peak Data Rate	10.5 Gigabits per second
Max Reach	80 kilometers
Emission Source	EML
Detection Type	APD
Digital Diagnostics Monitoring	Enabled
Connection Interface	Duplex LC
Fiber Type	Single-Mode Fiber
Optical Wavelength	1556.55 nm
Lowest Operating Temp	0 °C
Highest Operating Temp	70 °C
Lowest Storage Temp	-40 °C
Highest Storage Temp	85 °C
Power Use Maximum	3.5 Watts
Minimum Output Power	-1 dBm
Maximum Output Power	4 dBm
Receiver Overload Threshold	-24 dBm or higher
Diagnostics Monitoring Capability	Available
Compatibility Standards	SFP+ MSA, CPRI, eCPRI Compliant
Recommended Application	Cisco network switches, routers, and fiber optic equipment
Defined ITU Channel	26
Channel Spacing	100 GHz
Frequency Band	C Band