Frequent Ask Questions
What is the HPE 845420-B21?
The HPE 845420-B21 is a 7-meter active optical cable designed to connect devices via a QSFP28 port to four 25G SFP28 ports. This allows for high-speed data transfer in network environments.
What devices are compatible with the HPE 845420-B21 cable?
The cable is compatible with devices that feature QSFP28 and SFP28 ports, often found in high-performance switches, routers, and network interface cards (NICs) commonly used in data centers and enterprise networks.
What are the primary use cases for the HPE 845420-B21?
This cable is used primarily for high-speed data transfer and connectivity within data centers. It is ideal for connecting servers, storage devices, and other network components that require high bandwidth and low latency.
How does an active optical cable (AOC) like the HPE 845420-B21 differ from passive cables?
Active optical cables contain electrical components that boost the signal, allowing for longer distances and improved performance compared to passive cables, which do not have these components and are often used for shorter distances.
What is the maximum data transfer rate supported by the HPE 845420-B21?
The HPE 845420-B21 supports a maximum data transfer rate of 100 Gbps, with each of the four SFP28 connectors providing 25 Gbps.
What are the advantages of using the HPE 845420-B21 in a network setup?
Using the HPE 845420-B21 can enhance network performance by providing high-speed connectivity and flexibility. It reduces the complexity of connections by consolidating multiple data paths into a single cable, which helps in managing and organizing network infrastructure.
Can the HPE 845420-B21 be used in both new and existing network setups?
Yes, the HPE 845420-B21 can be integrated into both new and existing network infrastructures, provided the devices support QSFP28 and SFP28 interfaces.
What is the length of the HPE 845420-B21 cable?
The cable length is 7 meters, making it suitable for medium-range connections within data centers or enterprise networking environments.
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