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Cisco QSFP-40G-LR4-S Module : 40Gbps Long-Range , Low Power , DDM Support

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Cisco QSFP-40G-LR4-S Module : 40Gbps Long-Range , Low Power , DDM Support

Name: Cisco QSFP40GLR4S Module 40Gbps LongRange Low Power DDM Support
Brand: Cisco
Price: 1 USD

Brand Name : Cisco

Model Number : QSFP-40G-LR4-S=

Ports : 24 x 10/100/1000 (PoE+)

Product Form Factor : SFP+

Product Support : Cisco Technical Assistance Center (TAC)

Storage Temperature : -20 to 70 degrees Celsius

Humidity Range : 10% to 85%

Maximum Power Consumption : 715W

Switching Capacity : 176 Gbps

Number Of Ports : 4

Product Family : Cisco Catalyst

Cisco : WS-X4748-UPOE+E

Storage Temperature Range : -40-70°C

Forwarding Bandwidth : 176Gbps

Product Uplink Ports : 6 x 40 Gigabit Ethernet QSFP+ ports

Compatibility : Cisco Routers

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Cisco QSFP-40G-LR4-S Module : 40Gbps Long-Range , Low Power , DDM Support

The Cisco QSFP-40G-LR4-S is a high-performance 40Gbps QSFP+ optical transceiver designed for long-distance data transmission over single-mode fiber (SMF). Ideal for data centers, enterprise networks, and telecom deployments, this module combines high speed, low power consumption, and advanced diagnostics for reliable connectivity.

Key Features & Benefits

✅ 40Gbps Ethernet Support – Compliant with IEEE 802.3ba, delivers high-bandwidth connectivity for demanding applications.
✅ 10KM Long-Range Transmission – Uses CWDM technology (4×10Gbps lanes) over single-mode fiber (SMF) for extended reach.
✅ Low Power Consumption (<3.5W) – Energy-efficient design reduces operational costs in data centers.
✅ Digital Diagnostic Monitoring (DDM) – Real-time monitoring of temperature, voltage, and optical power for proactive maintenance.
✅ Hot-Swappable & MSA-Compliant – Easy installation without downtime; works with Cisco Nexus, ASR, and third-party MSA-compatible devices.
✅ Dual LC Connector – Standard interface for seamless integration with existing fiber infrastructure.

Technical Specifications (QSFP-40G-LR4-S)

Parameter	Specification
Form Factor	QSFP+ (Quad Small Form-Factor Pluggable)
Data Rate	40Gbps (4×10Gbps CWDM)
Wavelength	1271nm, 1291nm, 1311nm, 1331nm
Max Distance	10KM (Single-Mode Fiber)
Connector Type	Duplex LC
Power Consumption	<3.5W
Diagnostics	DDM (Digital Diagnostic Monitoring)
Compatibility	Cisco Nexus 9000, 7000, ASR 9000; MSA-compatible switches
Operating Temp.	0°C to 70°C (32°F to 158°F)

Applications

✔ Data Center Interconnects (DCI) – High-speed links between switches/routers.
✔ Enterprise Core Networks – Scalable backbone for 40G Ethernet.
✔ Telecom & Metro Networks – Long-haul fiber connectivity.

Why Choose Cisco QSFP-40G-LR4-S?

Cisco Certified – Guaranteed compatibility and reliability.
Future-Proof – Supports evolving 40G/100G upgrade paths.
Cost-Effective – Lower power use vs. older 40G modules.

Buy cheap Cisco QSFP-40G-LR4-S Module : 40Gbps Long-Range , Low Power , DDM Support product

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