Description
The Juniper SFPP‑10GE‑LR (part number 740‑031981) is a premium optical module designed for 10 Gigabit Ethernet long‑reach (LR) links. It supports single‑mode fiber (9/125 µm), uses a 1310 nm wavelength, and reaches up to 10 km. The module is compatible with many Juniper network platforms. NetworkTigers+1
Key Features
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Data rate up to 10 Gbps (10 Gigabit Ethernet) Juniper Networks+1
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Wavelength: ~1310 nm for single‑mode fiber (SMF) EDGE Optical Solutions+1
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Duplex LC connector type Genuine Modules+1
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Maximum reach: up to 10 km over SMF NetworkTigers+1
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Compatible with Juniper “Hardware Compatibility Tool” list for SFPP‑10GE‑LR. Juniper Networks
Technical Specifications
| Specification | Detail |
|---|---|
| Model | SFPP‑10GE‑LR |
| Part Number | 740‑031981 |
| Speed | 10 Gbps |
| Wavelength | 1310 nm |
| Fiber Type | Single‑Mode Fiber (SMF) 9/125 µm |
| Max Reach | ~10 km |
| Connector | Duplex LC |
| Form Factor | SFP+ |
Benefits
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Enables high‑bandwidth 10 Gb links across campus, data‑centre, or metro segments.
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Long‑reach over SMF allows flexible network design with fewer active devices.
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Widely supported in Juniper platforms, reducing compatibility risks.
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Easy upgrade path for existing fiber infrastructure to 10 Gb.
Ideal Use Cases
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Aggregation links in enterprise or service‑provider networks.
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Data‑centre top‑of‑rack (TOR) or spine links requiring 10 km reach.
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Metro network segments needing cost‑efficient 10 Gb optical modules.
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Upgrading legacy 1 Gb links to 10 Gb with minimal overhaul.
FAQ
Q: Will this transceiver work in non‑Juniper equipment?
A: It may work if the equipment supports the SFP+ LR spec and the part is accepted, but compatibility is verified for Juniper platforms. Juniper Networks
Q: What cable type is required?
A: Single‑mode fiber (9/125 µm) with LC duplex connectors.
Q: What’s the maximum distance?
A: Up to ~10 km over suitable SMF.
Q: Does it support lower speeds like 1 Gb or 5 Gb?
A: Primary specification is 10 Gb; some modules may negotiate lower depending on platform, but guaranteed for 10 Gb.
External Authority Link
For detailed specifications and compatibility details, refer to the official Juniper Hardware Compatibility Tool entry: Juniper SFPP‑10GE‑LR (740‑031981) – HCT Entry Juniper Networks
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