Description
About Cisco QSFP-40G-CSR-S= Transceiver Modules
| Spec | Value |
|---|---|
| Description | Cisco 40GBASE-CSR QSFP Module for Duplex MMF |
| Dimensions (mm) | 13.5 x 18.4 x 72.4 |
| Wavelength (nm) | 850 |
| Cable Type | MMF |
| Core Size (microns) | 50.0 |
| Modal Bandwidth (MHz-km) | 2000 (OM3) |
| Specification | Description |
|---|---|
| Product Tag | QSFP-40G-CSR-S |
| Type | Pluggable optical transceiver |
| Interface | Duplex LC connector |
| Speed | 40 Gigabit Ethernet (40GBASE-CSR) |
| Media | MultiMode Fiber (MMF) |
| Wavelength | 850nm |
| Reach | Up to 440 meters (OM5 fiber) |
| Temperature Range | 0°C to 70°C (operating) |
Description:
The Cisco QSFP-40G-CSR-S is a transceiver module designed for use in Cisco network devices. It supports 40 Gigabit Ethernet connections over MultiMode Fiber (MMF) using a duplex LC connector. This module is ideal for short-distance data transmission within data centers, enterprise core and distribution layers, and service provider applications.
The QSFP-40G-CSR-S is compatible with existing 10 Gigabit Ethernet MMF infrastructure, allowing for migration to 40 Gigabit Ethernet while maintaining similar reach distances. It operates at a wavelength of 850nm and supports link lengths of up to 300 meters (OM3 fiber), 400 meters (OM4 fiber), and 440 meters (OM5 fiber).

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