United States
Q
What is a Cisco Compatible QSFP28 transceiver?
A
A Cisco Compatible QSFP28 transceiver is a hot-swappable, MSA-compliant 4-lane optical module that delivers 100 Gbps connectivity in Cisco switches, routers, and servers.
Q
What data rates does Cisco Compatible QSFP28 support?
A
Cisco Compatible QSFP28 modules support data rates up to 100 Gbps per port, using four 25 Gbps lanes to meet high-performance networking requirements.
Q
What distances can Cisco Compatible QSFP28 modules cover?
A
Multimode Cisco Compatible QSFP28 modules cover 100 m to 2 km, while single-mode variants extend reach up to 40 km over single-mode fiber.
Q
Which fiber types are supported by Cisco Compatible QSFP28?
A
They support OM3/OM4 multimode fiber for short-reach links and single-mode fiber (SMF) for long-haul connections.
Q
Are Cisco Compatible QSFP28 modules hot-swappable?
A
Yes, Cisco Compatible QSFP28 transceivers are hot-swappable, allowing insertion and removal without powering down the host device.
Q
Which Cisco platforms support Cisco Compatible QSFP28?
A
They are fully compatible with Cisco Nexus, Catalyst, and UCS series switches and routers that feature QSFP28 ports.
Q
Are Cisco Compatible QSFP28 modules MSA compliant?
A
Yes, Cisco Compatible QSFP28 modules adhere to Multi-Source Agreement (MSA) specifications and SFF-8636 standards for interoperability.
Q
Do Cisco Compatible QSFP28 modules support Digital Diagnostics Monitoring (DDM)?
A
Yes, all Cisco Compatible QSFP28 modules include DDM/DOM functionality for real-time monitoring of optical power, temperature, and voltage.
Q
What wavelengths are available in Cisco Compatible QSFP28 transceivers?
A
Multimode modules operate at 850 nm, while single-mode versions use 1310 nm or tuned DWDM wavelengths for long-reach applications.
Q
Can Cisco Compatible QSFP28 modules interoperate with Cisco OEM transceivers?
A
Yes, Cisco Compatible QSFP28 modules interoperate seamlessly with Cisco OEM and certified third-party optics on supported platforms.
Q
What is the typical power consumption of Cisco Compatible QSFP28 modules?
A
Typical power consumption ranges from 2.5 W to 4.5 W per module, depending on optical reach and form-factor.
Q
Do Cisco Compatible QSFP28 modules come with a warranty?
A
Most vendors provide a one-year limited warranty covering manufacturing defects and performance failures for Cisco Compatible QSFP28 modules.
Q
How do I install a Cisco Compatible QSFP28 transceiver?
A
Insert the QSFP28 module into the port until it clicks, then verify the link status via the switch or router CLI/GUI to confirm a successful installation.
Q
Are Cisco Compatible QSFP28 modules RoHS and CE certified?
A
Yes, Cisco Compatible QSFP28 modules comply with RoHS directives and carry CE markings to meet environmental and safety regulations.
Q
What is the difference between Cisco Compatible and Cisco OEM QSFP28?
A
Cisco Compatible QSFP28 modules match OEM form factor and performance at lower cost, but are produced by third-party, Cisco-certified manufacturers.
Q
How can I troubleshoot a Cisco Compatible QSFP28 link issue?
A
Check physical connections, review DDM readings for power and temperature, verify port configuration, and swap modules or cables to isolate the fault.
Q
What applications use Cisco Compatible QSFP28 transceivers?
A
They are ideal for data center spine-leaf fabrics, high-performance computing clusters, storage area networks, and 100 GbE aggregation links.
