United States
Q
What is a Juniper Compatible QSFP28 transceiver?
A
A Juniper Compatible QSFP28 transceiver is a third-party 100 Gigabit optical module engineered to meet IEEE and MSA standards for seamless interoperability with Juniper switches and routers.
Q
Which Juniper devices support QSFP28 modules?
A
QSFP28 modules are supported in Juniper MX, QFX, EX, and PTX series platforms equipped with 100 GbE ports, providing high-density connectivity and low latency.
Q
How do I verify compatibility of a QSFP28 with Juniper hardware?
A
Check the Juniper Hardware Compatibility Guide for model support, or use the ‘show interfaces transceiver diagnostics’ CLI command to confirm module recognition and operational status.
Q
What data rates and wavelengths do Juniper Compatible QSFP28 modules support?
A
They support 100 Gb/s line rate using four 25 Gb/s lanes, available in single-mode (1310 nm/1550 nm) or multimode (850 nm) variants for distances from 100 m to 40 km.
Q
Can I use breakout cables with Juniper Compatible QSFP28?
A
Yes, you can deploy a 100 GbE QSFP28 breakout cable (QSFP28 to 4×25 G SFP28) for flexible 10/25 GbE connectivity on Juniper switches.
Q
What is the typical reach of single-mode QSFP28 modules?
A
Single-mode QSFP28 transceivers offer reaches from 10 km up to 40 km over OS2 fiber, depending on the module’s optical power budget.
Q
Are Juniper Compatible QSFP28 modules hot-swappable?
A
Yes, all compliant QSFP28 modules are hot-swappable, allowing insertion or removal without powering down the Juniper device or disrupting adjacent ports.
Q
How do I install a QSFP28 transceiver into a Juniper port?
A
Insert the QSFP28 module into the port at a 30° angle until it clicks, then latch the carrier; verify link status via CLI or front-panel LEDs.
Q
What diagnostic features do Juniper Compatible QSFP28 modules offer?
A
They support Digital Optical Monitoring (DOM) for real-time measurement of optical power, temperature, voltage and laser bias current via the Juniper CLI or SNMP.
Q
How do I troubleshoot a non-working QSFP28 module?
A
Verify fiber cleanliness, check module compatibility in the HCG, confirm firmware version, and use ‘show interfaces diagnostics optics’ to isolate optical or electrical faults.
Q
Do third-party QSFP28 modules affect Juniper warranty or support?
A
Juniper warranty covers hardware regardless of module vendor; however, Juniper TAC support is limited to troubleshooting up to the module interface.
Q
How does a Juniper Compatible QSFP28 compare to an OEM module?
A
Compatible QSFP28 modules deliver equivalent performance and interoperability at lower cost, while meeting the same compliance standards as Juniper-branded optics.
Q
What certifications should I look for in a QSFP28 transceiver?
A
Ensure modules carry IEEE 802.3bm, RoHS, CE and FCC certifications and comply with SFF-8436 or SFF-8679 mechanical specifications for QSFP28.
Q
How can I update Juniper firmware for optimal QSFP28 support?
A
Download the latest Junos OS from the Juniper support site, validate the checksum, and apply the upgrade during a maintenance window using “request system software add”.
Q
What warranty do third-party Juniper Compatible QSFP28 modules include?
A
Most vendors offer a limited lifetime warranty covering manufacturing defects, along with advance replacement options and 24/7 technical assistance.
Q
How do I choose the right QSFP28 for my Juniper network?
A
Match your required data rate, link distance, fiber type and compatibility listing in the Juniper HCG to select the optimal QSFP28 transceiver for performance and budget.
