Cisco QSFP-40G-LR4-S 40GbE QSFP+ LR4 SMF LC Optical Transceiver

Overview

Cisco QSFP‑40G‑LR4‑S is a 40 Gigabit Ethernet QSFP+ optical transceiver designed for long‑reach single‑mode fiber (SMF) connectivity in data center and carrier networks.

Key Specifications

• Data rate: 40 Gbps
• Form factor: QSFP+ (Quad Small Form‑Factor Pluggable)
• Fiber type: Single‑mode fiber (SMF)
• Maximum reach: Up to 10 km
• Connector type: Duplex LC
• LR4 wavelength division multiplexing design

Interfaces

• QSFP+ hot‑pluggable electrical interface
• Duplex LC optical interface for SMF

Hardware Specifications

• 40 GbE optical transceiver module optimized for long‑reach applications

Shipping Information

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