Name: Cisco QSFP-100G-LR4-S Compatible 100GBASE-LR4 QSFP28 Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM)
Brand: Cisco
SKU: QSFP-100G-LR4-S
Price: 324.00 USD
Availability: InStock
Rating: 4.8 (114 reviews)

Product Overview
The Cisco QSFP-100G-LR4-S compatible module supports high-speed 100GBASE-LR4 transmission over single-mode fiber, reaching distances up to 10 kilometers. It fits into QSFP28 slots on network devices, offering a reliable solution for long-range Ethernet connectivity commonly used in data centers and carrier networks.

General Information
Brand	Cisco
Part Number	QSFP-100G-LR4-S

Technical Information
Form Factor	QSFP28
Media	SMF
Type	4 x LAN WDM EML
Power Consumption	≤3.5W
Protocols	IEEE 802.3 100GBASE-LR4, QSFP28 MSA, SFF-8665, SFF-8636
Connector	LC Duplex
DOM Support	Yes

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
This optical transceiver module is designed to enable high-speed 100 Gigabit Ethernet connections over single-mode fiber networks. It is commonly used in data center interconnects, enterprise backbone networks, and service provider environments where long-distance communication is essential. Built for network engineers and IT professionals needing reliable and efficient data transmission, this module provides a stable and cost-effective solution to extend network reach without compromising performance. Key Features Operates at 1310nm for optimal long-range single-mode fiber communication Supports up to 10km transmission distance, suitable for campus and metro networks Compact QSFP28 form factor ensures compatibility with modern switches and routers Includes Digital Optical Monitoring for real-time performance tracking LC duplex connector design simplifies fiber connections and maintenance This transceiver is frequently deployed in large-scale data centers and telecommunications networks where stable, long-distance, high-bandwidth links are required. Its real-time monitoring helps maintain network health and prevents unexpected downtime.

Use Cases
The Cisco QSFP-100G-LR4-S compatible transceiver is designed for environments requiring high-capacity, long-distance 100G Ethernet connectivity over single-mode fiber. It is particularly suitable for data centers and carrier networks where extending network reach without compromising on speed and reliability is critical. How It's Used: Connecting core switches across separate data center buildings up to 10 km apart in enterprise IT infrastructures. Enabling high-bandwidth uplinks in service provider networks to support metro and regional backbone segments. Facilitating inter-rack communication in large-scale virtualization environments demanding low-latency, high-throughput links. Supporting storage area network (SAN) connections in distributed storage clusters requiring consistent 100G performance. Providing long-distance links in edge computing deployments where remote processing sites connect back to central data hubs. This module enhances operational scalability by ensuring robust 100G transmission over extended distances, allowing network architects to design flexible, high-performance infrastructures that accommodate growth and evolving data demands without extensive physical cabling upgrades.

Tech Atlantix

Cisco QSFP-100G-LR4-S Compatible 100GBASE-LR4 QSFP28 Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM)

QSFP-100G-LR4-S

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