Description
About Cisco QSFP-40GE-LR4 Transceiver Modules
Spec | Value |
---|---|
Description | Cisco 40GBASE-LR4 QSFP+ transceiver module for SMF, duplex LC connector |
Dimensions (mm) | 13.5 x 18.4 x 72.4 |
Wavelength (nm) | 1310 |
Cable Type | SMF |
Core Size (microns) | G.652 |
Modal Bandwidth (MHz-km) | – |
Cable Distance | 10 km (6.2 miles) |
Power Consumption (W) | 3.5 |
Pull Tab Color | Blue |
Type | 4 lanes, 1271, 1291, 1311, 1331 |
Transmit Power (dBm) | Max: +2.3 per lane<br>Min: -7.0 per lane |
Receive Power (dBm) | Max: +2.3 per lane<br>Min: -13.7 per lane |
Transmit and Receive Wavelength (nm) | Four lanes, 1271, 1291, 1311, 1331 |
Operating temperature | 0 to 70°C (32 to 158°F) |
Storage temperature | -40 to 85°C (-40 to 185°F) |
Standards | GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable<br>GR-326-CORE: Generic Requirements for Single-Mode Optical Connectors and Jumper Assemblies<br>GR-1435-CORE: Generic Requirements for Multifiber Optical Connectors<br>IEEE 802.3ba (-SR4, -LR4)<br>IEEE 802.3ae (-CSR4)<br>QSFP+ MSA SFF-8436<br>SFP+ MSA SFF-8431 and -8461<br>RoHS 6 |
Safety | Cable jacket of QSFP copper modules is UL E116441 Compliant<br>QSFP copper cables are ELV Compliant |
Specification | Description |
---|---|
Type | QSFP+ |
Data Rate | 40 Gigabit Ethernet (40 Gbps) |
Standard | 40GBASE-LR4, OTU3 |
Reach | 10 kilometers (km) |
Fiber Type | Single-mode fiber (SMF) |
Wavelength | 1310 nm |
Connector | Duplex LC |
Features | – Hot-swappable – Digital diagnostics monitoring (DOM) |
Description:
The Cisco QSFP-40GE-LR4 transceiver module is a high-performance, hot-swappable device that enables you to extend the reach of your 40 Gigabit Ethernet (40 GbE) network over single-mode fiber (SMF) up to 10 kilometers (km). It uses four lasers to transmit and receive data at different wavelengths (1310 nm), a technique known as Coarse Wavelength Division Multiplexing (CWDM). This allows for high-density, long-distance data transmission over a single strand of fiber.
The Cisco QSFP-40GE-LR4 is compliant with industry standards such as 40GBASE-LR4 and OTU3, ensuring compatibility with a wide range of networking equipment. It also features digital diagnostics monitoring (DOM) that allows you to monitor real-time operating parameters such as laser bias current, optical output power, and receiver temperature.
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