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QSFP-40G-CSR4 Cisco 40Gbps Multi-Mode Fiber QSFP+ Transceiver Module

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QSFP-40G-CSR4 Overview

The Cisco QSFP-40G-CSR4 40Gbps 40GBase-CSR4 QSFP+ Transceiver Module is a high-performance optical solution designed for 40 Gigabit Ethernet connectivity in enterprise and data center networks. Operating over multi-mode fiber (MMF) with an 850nm short-wavelength laser, it supports transmission distances of up to 400 meters on OM4 fiber and 300 meters on OM3 fiber, making it ideal for medium-range, high-bandwidth applications. This module uses an MTP/MPO connector and a compact, hot-swappable QSFP+ form factor, enabling quick installation and replacement without service disruption. Engineered to Cisco’s stringent standards.

QSFP-40G-CSR4 Technical Specifications

Cisco 40Gbps 40GBase-CSR4 Multi-Mode Fiber 400m 850nm MTP/MPO Connector QSFP+ Transceiver Module

Manufacturer Part Number: QSFP-40G-CSR4
Brand Name: Cisco
Product Type: QSFP+
Technical Information
Application/Usage: Data Networking, Optical Network
Interfaces/Ports
Interfaces/Ports Details: 1 x MTP 40GBase-CSR4 Network
Media & Performance
Media Type Supported: Optical Fiber
Fiber Optic Cable Standard: 62.5 µm, 50 µm
Fiber Mode Supported: Multi-mode
Ethernet Technology: 40 Gigabit Ethernet
Network Technology: 40GBase-CSR4
Physical Characteristics
Height: 0.5″
Width: 0.7″
Depth: 2.9″
Miscellaneous
Environmentally Friendly: Yes
Environmental Certification: RoHS-6

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