A QSFP-100G-SR Optical Transceiver Module


The QSFP-100G-SR is an optical transceiver module used for transmitting data at 100 Gigabit Ethernet (100GbE) speeds. Here’s a breakdown of its key features:

Speed and Standards: It supports data transmission rates of up to 100Gbps. It complies with the IEEE 802.3bm standard for 100GbE and the QSFP28 Multi-Source Agreement (MSA) which ensures interoperability between different vendors’ modules.

Form Factor: It uses the QSFP28 form factor, a compact and hot-swappable module commonly used in data centre equipment.

Reach: The QSFP-100G-SR is typically designed for shorter distances, around 100 meters on OM4 multimode fibre optic cable.

Connectors: It generally uses MTP/MPO-12 connectors, which have multiple fibres within a single connector for transmitting and receiving data on separate wavelengths.

In summary, the QSFP-100G-SR is a high-speed adapter that allows connection to network devices like switches and routers using fibre optic cables for short-range, high-bandwidth data transmission, within data centres or enterprise networks.

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The technical specifications of QSFP-100G-SR modules can vary slightly depending on the manufacturer, but here are some key parameters:

  • Data Rate: 100 Gigabit Ethernet (100Gbps)
  • Standards Compliance: IEEE 802.3bm (100GbE), QSFP28 MSA
  • Form Factor: QSFP28 (compact, hot-swappable)
  • Wavelength: 850nm (typical)
  • Reach: Up to 100 meters (OM4 multimode fibre) – This can vary depending on the fibre quality and specific module.
  • Fiber Type: OM3 or OM4 multimode fibre optic cable with MTP/MPO-12 connectors (12 fibres)
  • Operating Temperature: +10°C to +60°C (typical)
  • Digital Optical Monitoring (DOM): May or may not be supported, depending on the module. DOM allows real-time monitoring of module parameters like optical power levels.

Additional Considerations:

  • Power Consumption: Typically lower than Long Reach (LR) QSFP-100G modules due to shorter distances.
  • Cost: Generally less expensive than LR modules due to simpler technology.

Where to Find More Details:

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