Fortinet FN-TRAN-QSFPDD-LR4 400GBASE-LR4 QSFP-DD 10 km Transceiver
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FN-TRAN-QSFPDD-LR4 Overview
10 km Duplex-SMF Design with FN-TRAN-QSFPDD-LR4
FN-TRAN-QSFPDD-LR4 is Fortinet's 400GBASE-LR4 QSFP-DD module. The official specification identifies 10 km reach over single-mode fiber, duplex LC connectivity, four wavelengths (1271/1291/1311/1331 nm), hot-plug support and a 0°C to 70°C operating range.
Use LR4 for the correct optical plant
Confirm both hosts have supported QSFP-DD slots and the far-end optic uses a compatible 400GBASE-LR4 interface. This is not the 2 km FR4 SKU and not an MPO parallel-fiber design.
Build the loss and cleanliness record
Document route length, connector count, splice loss, patch panels and measured optical budget. Inspect and clean both LC ends before insertion; long-reach links remain sensitive to contamination.
Commission the 400G link
Capture module ID, lane status, alarms, received/transmit power where available, FEC, errors and traffic results. Confirm platform software and breakout settings before procurement.
Official source: Fortinet Transceivers Data Sheet.
FN-TRAN-QSFPDD-LR4 Specification
| Exact model / SKU | FN-TRAN-QSFPDD-LR4 |
| Exact SKU | FN-TRAN-QSFPDD-LR4 |
| Protocol | 400GBASE-LR4 |
| Module / rate | QSFP-DD / 400 GE |
| Reach | 10 km |
| Media / connector | SMF / duplex LC |
| Wavelengths | 1271, 1291, 1311 and 1331 nm |
| Operating temperature | 0°C to 70°C |
| Host requirement | Supported system with QSFP-DD slot |
| Source match | Exact FN-TRAN-QSFPDD-LR4 10 km LR4 optical parameters verified from Fortinet's official data sheet |
| Official manufacturer reference | Fortinet Transceivers Data Sheet |
FN-TRAN-QSFPDD-LR4 Ordering Information
This listing is an accessory or component and may not include the main device. Confirm the supported platform, connector or form factor, included quantity, hardware revision and required mounting or installation parts before ordering.
Document/Firmware Download
FN-TRAN-QSFPDD-LR4 FAQ
What is FN-TRAN-QSFPDD-LR4 used for?
Fortinet FN-TRAN-QSFPDD-LR4 400GBASE-LR4 QSFP-DD 10 km Transceiver is a FORTINET accessory or component in the Transceiver Modules category. It may require a compatible main device and should not be treated as a complete standalone system.
Which products are compatible with FN-TRAN-QSFPDD-LR4?
Compatibility depends on the exact parent platform, chassis or device revision. Provide the installed model and required quantity so YYST Global can check fit before ordering.
What is included with FN-TRAN-QSFPDD-LR4?
Confirm whether the quotation includes only the named component or also includes cables, brackets, optics, licenses or installation hardware. Package contents vary by part number and condition.
What is the price of FN-TRAN-QSFPDD-LR4?
The current reference price for FN-TRAN-QSFPDD-LR4 is US$ 2,740.00. Final pricing can change based on stock, quantity, configuration and delivery destination.
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