Description
The Cisco QSFP-40G-CSR4 is a 40GBASE-CSR4 QSFP transceiver module designed for high-speed 40 Gigabit Ethernet connections over multimode fiber (MMF). It supports short-reach distances across OM2, OM3, and OM4 cabling and delivers low-power optical performance in high-density data center environments.
Technical Specifications
|
Condition
|
New/Never Used Surplus
|
| Brand |
Allen-Bradley
|
| Category |
|
| Part Number |
QSFP-40G-CSR4
|
| Subcatecory |
Optical Transceivers – QSFP Modules
|
| Form Factor |
QSFP |
| Wavelength |
850 nm |
| Fiber Type |
MMF (Multimode Fiber) |
| Core Size |
50 µm |
| Distance |
82 m (OM2), 300 m (OM3), 400 m (OM4) |
| Power Consumption |
1.5 W |
| Pull Tab Color |
Orange |
| Dimensions (H x W x L) |
13.5 x 18.4 x 72.4 mm |
Information About QSFP-40G-CSR4
The QSFP-40G-CSR4 transceiver uses 850 nm wavelength optics and supports 4x10GBASE-SR channels through a QSFP form factor, enabling 40 Gbps Ethernet over fiber. The module is compact, measuring 13.5 x 18.4 x 72.4 mm, and is designed for energy-efficient operation with a 1.5 W power consumption. It features an orange pull tab, indicating its short-reach capability and simplifying installation and removal.
Key Features:
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40GBASE-CSR4 Support: Enables 4x10G parallel connections over short-reach fiber
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Multimode Fiber Compatibility: Works with OM2, OM3, and OM4 MMF standards
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Compact QSFP Form Factor: Ideal for high-density port environments
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Low Power Consumption (1.5 W): Reduces heat and improves efficiency
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Pull Tab with Orange Indicator: Quick identification of short-reach modules
The QSFP-40G-CSR4 provides reliable, high-bandwidth connectivity in core-switching and aggregation layers of enterprise networks.
