United States
Q
What is a Juniper Compatible QSFP-DD module?
A
A Juniper Compatible QSFP-DD is an optical transceiver designed to meet Juniper Networks specifications, providing 400 Gbps data rates in a compact form factor for high-density networking.
Q
Which speeds does Juniper Compatible QSFP-DD support?
A
Juniper Compatible QSFP-DD modules support aggregate data rates up to 400 Gbps via eight independent 50 Gbps lanes, ensuring high-throughput connectivity for modern data centers.
Q
How do I verify Juniper compatibility?
A
Verify compatibility by checking the module’s part number against Juniper’s Hardware Compatibility List (HCL) or by using Juniper’s show interfaces diagnostics command on the router.
Q
What distances can Juniper Compatible QSFP-DD cover?
A
Reach varies by optics: SR modules cover up to 100 m over OM4 fiber, LR modules up to 10 km over single-mode fiber, and ER modules up to 40 km.
Q
Which fiber types work with QSFP-DD modules?
A
Juniper Compatible QSFP-DD modules support multimode (OM3/OM4) and single-mode fiber, delivering flexible reach options from 100 m to 40 km.
Q
Can I use QSFP-DD in Juniper QFX and PTX series?
A
Yes, Juniper Compatible QSFP-DD modules are certified for QFX5120, QFX10000, PTX1000 and PTX10000 series switches and routers for native 400 GbE ports.
Q
What power consumption should I expect?
A
Typical power consumption is 8–12 W per module, depending on optical type and reach, optimizing data center power budgets.
Q
How do I install a QSFP-DD module in a Juniper device?
A
Align the module with the port guide rails, slide it in gently until it clicks, then verify link status with show interfaces terse on the CLI.
Q
Does Juniper Compatible QSFP-DD support PAM4 signaling?
A
Yes, it uses PAM4 modulation for each lane to double spectral efficiency and achieve 50 Gbps per channel, enabling 400 GbE throughput.
Q
What diagnostics are available on Juniper QSFP-DD?
A
Juniper’s DOM (Digital Optical Monitoring) provides real-time data on temperature, voltage, transmit/receive power and optical bias current for proactive management.
Q
Are Juniper Compatible QSFP-DD modules hot-swappable?
A
Yes, they support hot-swap insertion and removal, enabling maintenance without disrupting system uptime when used in redundant configurations.
Q
What warranty covers Juniper Compatible QSFP-DD?
A
Modules typically include a one-year warranty with options to extend to three years, covering manufacturing defects and performance compliance.
Q
How do I update firmware on Juniper QSFP-DD?
A
Use Junos OS commands such as request system firmware download and request system restart media to load the latest optical firmware image.
Q
Can I mix QSFP-DD vendors in the same chassis?
A
Yes, as long as each module is Juniper-qualified, you can mix vendors in the chassis without interoperability issues, maintaining full performance.
Q
What are common use cases for QSFP-DD in Juniper networks?
A
Key use cases include super-spine aggregation, data center leaf-spine architectures and high-performance computing clusters requiring 400 GbE connectivity.
Q
Where can I buy genuine Juniper Compatible QSFP-DD modules?
A
Purchase through authorized Juniper resellers or certified third-party vendors to ensure genuine compatibility, warranty coverage and support services.
