Cisco QSFP-40G-LR4 Network Transceivers & SFP Modules
Cisco Parts Accessory Model Overview
Frequently Asked Questions
What is the maximum transmission distance for the Cisco QSFP-40G-LR4 transceiver?
The Cisco QSFP-40G-LR4 supports 40GBASE-LR4 technology with a maximum transmission distance of 10 kilometers over single-mode fiber (SMF). This makes it ideal for long-distance data center interconnects and campus network deployments where extended reach is required without signal regeneration.
What type of fiber connector does the QSFP-40G-LR4 use?
The Cisco QSFP-40G-LR4 uses LC duplex connectors for optical fiber connections. LC connectors are industry-standard for high-density networking applications and provide reliable, low-loss connections in both single-mode and multi-mode fiber environments.
Is the Cisco QSFP-40G-LR4 hot-swappable?
Yes, the Cisco QSFP-40G-LR4 is a hot-swappable transceiver module, allowing you to replace or upgrade it without powering down your network equipment. This design minimizes downtime during maintenance and provides flexibility for network reconfiguration.
What wavelength does the QSFP-40G-LR4 operate at?
The Cisco QSFP-40G-LR4 operates at 1310 nm wavelength, which is the standard wavelength for long-reach optical transmission over single-mode fiber. This wavelength is optimized for extended distance performance and is widely supported across enterprise networking infrastructure.
What are the key differences between 40GBASE-LR4 and 100GBASE-LR4 transceivers?
The primary difference is throughput: 40GBASE-LR4 provides 40 Gigabit Ethernet speeds, while 100GBASE-LR4 delivers 100 Gigabit Ethernet speeds. Both support 10 km transmission over single-mode fiber with LC connectors, but 100G modules are designed for higher-bandwidth applications and typically command higher price points. Contact us today to determine which speed tier matches your network requirements.
Can I purchase the Cisco QSFP-40G-LR4 transceiver from Barcodes Inc?
We offer Cisco transceiver modules and networking components for enterprise deployments. For availability and current pricing on the QSFP-40G-LR4 and compatible alternatives, visit barcodesinc.com or contact us today to discuss your optical networking needs and find the right solution for your infrastructure.
