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Juniper SRX-QSFP-40G-LR4 40Gb/s QSFP+ 150m 850nm MPO SMF Transceiver
- 40Gb/s data rate
- QSFP+ form factor
- Single-Mode Fiber (SMF) support
- Long Reach (LR4) application
- Utilizes WDM (4x10G) technology
- MPO connector type
- Maximum distance of 10 kilometers
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Product Overview
The Juniper SRX-QSFP-40G-LR4 is a 40Gb/s QSFP+ transceiver designed for long-reach single-mode fiber (SMF) applications. It utilizes four wavelengths (1271nm to 1331nm) over a single fiber strand and features an MPO connector, supporting distances up to 10 kilometers.
Technical Information
| Data Rate | 40Gb/s |
| Form Factor | QSFP+ |
| Fiber Type | SMF |
| Max Distance | 10km |
Additional Specifications
| Connector Type | MPO |
| Technology | WDM (4x10G) |
| Wavelengths | 1271nm, 1291nm, 1311nm, 1331nm (per lane) |
Product Description
This Juniper SRX-QSFP-40G-LR4 transceiver is a high-density, high-speed optical module designed for 40 Gigabit Ethernet (40GbE) applications. The QSFP+ (Quad Small Form-factor Pluggable Plus) form factor allows for higher port density compared to earlier standards. This specific model is an LR4 type, indicating its capability for Long Reach transmission over single-mode fiber. The LR4 technology employs Wavelength Division Multiplexing (WDM) to transmit four separate 10Gb/s optical signals over a single pair of single-mode fibers. Each signal operates on a distinct wavelength within the 1310nm band (specifically, 1271nm, 1291nm, 1311nm, and 1331nm). This approach effectively aggregates bandwidth to achieve the 40Gb/s total data rate. The module uses an MPO (Multi-fiber Push-On) connector, which is standard for WDM applications requiring multiple fiber connections. The SRX-QSFP-40G-LR4 is designed for distances up to 10 kilometers, making it suitable for backbone connections in data centers, campus networks, and metro Ethernet deployments where high bandwidth and extended reach are essential.