[ MODEL-SPECIFIC NETWORK HARDWARE RECORD ]
Juniper QSFPP-40G-LR4 40GBASE-LR4 QSFP+ Transceiver
Juniper-qualified four-wavelength 40GbE LR4 optic for SMF. Exact PID, host qualification and optical channel specifications should be checked before deployment.
IDENTIFICATION: Match the module label, vendor part number and revision to the manufacturer's documentation. Nominal link rate and maximum reach are specifications, not measured throughput or a guarantee for every installed channel.
Model-specific specifications and compatibility
| Subcategory | SFP transceivers: optical and copper |
|---|---|
| Exact product/model | Juniper QSFPP-40G-LR4 40GBASE-LR4 QSFP+ Transceiver |
| Form factor | QSFP+, hot-pluggable 40GbE LR4 optical transceiver; Juniper QSFPP-40G-LR4 family. |
| Optical interface | 40GBASE-LR4 over four wavelength channels (1271, 1291, 1311 and 1331nm) multiplexed for 40Gb/s aggregate throughput. |
| Nominal rate (not measured) | 40Gb/s aggregate Ethernet rate over four multiplexed optical wavelengths. |
| Wavelength and reach | Up to 10km on single-mode fiber, subject to the exact Juniper-qualified host and channel specifications. |
| Connector and fiber type | Duplex LC; single-mode fiber (SMF). |
| Host coding and compatibility caveat | Confirm QSFPP-40G-LR4 against the exact Juniper chassis, interface and Junos release in HCT. Host qualification, module coding and port-mode behavior vary; a matching QSFP+ form factor does not guarantee supported operation. |
| Variant / deployment caveat | This wavelength-multiplexed LR4 link uses duplex SMF and is not interchangeable with MPO SR4 parallel multimode cabling. |
| Measured throughput | No bench result is claimed. Actual payload throughput depends on the host, link partner, protocol overhead and test method. |
Host qualification and installation notes
Confirm QSFPP-40G-LR4 against the exact Juniper chassis, interface and Junos release in HCT. Host qualification, module coding and port-mode behavior vary; a matching QSFP+ form factor does not guarantee supported operation.
This wavelength-multiplexed LR4 link uses duplex SMF and is not interchangeable with MPO SR4 parallel multimode cabling.
Check both endpoint modules, fiber grade, polarity, connector cleanliness and host port configuration. Verify the exact transceiver PID and revision against the current manufacturer compatibility source before placing the link in service.
Archival, ESD and fiber-safety notes
Record the exact PID, hardware revision, host port, firmware/software release and available digital optical diagnostics. Store the module in ESD-safe packaging with dust caps fitted. Never look into an active fiber or transceiver aperture.
Manufacturer sources
- Juniper 40G Qualified OpticsJuniper-qualified 40G optics product-family documentation.
- Juniper QSFPP-40GBASE-LR4 Hardware Compatibility Tool entryExact component entry with supported chassis and module details.
- Juniper Optic Modules Data SheetOfficial technical reference for Juniper optical modules.
Manufacturer compatibility varies by host, release, module coding and product revision. Consult the exact product source and current host qualification before use.