Juniper JNP-QSFP-40G-SR4Transceivers

High-Speed 40 GbE Short-Range Connectivity for Data Center and Campus Networks — Juniper JNP-QSFP-40G-SR4

The Juniper JNP-QSFP-40G-SR4 is a high-performance 40 GbE QSFP+ short-range optical transceiver designed for data center, enterprise, and campus networks. It provides 40 GbE connectivity over multi-mode fiber (MMF) with a maximum reach of up to 100 m using OM3 fiber, making it ideal for Top-of-Rack (ToR) uplinks, spine-leaf fabrics, and high-speed short-range interconnects.

Key Specifications

Connectivity

• Form Factor: QSFP+ (Quad Small Form-Factor Pluggable)

• Data Rate: 40 Gbps (4×10 GbE lanes)

• Wavelength: 850 nm

• Fiber Type: Multi-mode fiber (MMF)

• Connector Type: MPO/MTP

• Reach: Up to 100 m over OM3 MMF

• Hot-Pluggable: Yes

Performance

• Low Power Consumption: ~3.5 W

• Supports 40 GbE Ethernet, 40GBASE-SR4 standard

• Operating Temperature: 0°C to 70°C

• Compliance: IEEE 802.3ba, MSA QSFP+ standard

• Reliable Short-Range Transmission for high-density server and switch environments

Use Cases

• Top-of-Rack (ToR) uplinks in high-speed data centers

• Leaf-spine fabrics in enterprise and cloud networks

• Short-range interconnects between switches and routers

• Campus network aggregation requiring high-bandwidth, low-latency links