Description
About Cisco QSFP-40G-BD-RX= Transceiver Modules
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| Spec | Value |
|---|---|
| Description | Cisco 40GBASE-SR Bi-Directional QSFP Monitor Module for Duplex MMF |
| Dimensions (mm) | 13.5 x 18.4 x 72.4 |
| Wavelength (nm) | 832 – 918 |
| Cable Type | MMF |
| Core Size (microns) | 50.0<br>50.0<br>50.0 |
| Modal Bandwidth (MHz-km) | 500 (OM2)<br>2000 (OM3)<br>4700 (OM4) |
| Cable Distance (m) | 30<br>100<br>150 |
| Commercial temperature | 3.5 (incorrect value, likely a typo) |
| Storage temperature | Beige(or Gray with “Rx” mark) |
| Type | 40GBASE-SR-BiDi, Duplex MMF, Monitor |
| Transmit Power (dBm) | Max:<br>Min: |
| Receive Power (dBm) | Max:+5.0 per lane<br>Min:-6.0 per lane |
| Transmit and Receive Wavelength (nm) | 832 to 918 |
| Operating temperature | +10 to 70°C (50 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 |
Description
The Cisco QSFP-40G-BD-RX is a hot-swappable transceiver module that supports 40 Gigabit Ethernet (40GbE) connectivity over short distances using multi-mode fiber. It utilizes bi-directional technology, transmitting and receiving data on separate wavelengths over a single fiber optic cable. This module is ideal for high-bandwidth applications in data centers, enterprise core and distribution layers, and service provider networks.
Here are some additional details:
The Cisco QSFP-40G-BD-RX has a duplex LC connector interface, which is a common type of connector for multi-mode fiber optic cables.
The module supports a maximum distance of 150 meters, making it suitable for short-reach deployments within data centers or enterprise campuses.
It offers low power consumption of 3.5 watts, which helps to reduce energy costs.
Cisco QSFP-40G-BD-RX is compatible with a wide range of Cisco networking equipment.

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