Power over Ethernet (PoE) capabilities
Power over Ethernet (PoE) is a technology that allows electrical power to be transmitted along with data over standard Ethernet cables. This eliminates the need for separate power cables, making it easier to install and power devices such as wireless access points, IP cameras, and VoIP phones.
The J9539A HP E5406-44G-PoE+ 4G-Sfp Switch Chassis has PoE+ capabilities, which means it can provide up to 30 watts of power per port. This allows the switch to power devices that require more power than traditional PoE devices, such as high-definition cameras or wireless access points. The PoE+ capability in this switch allows the network administrators to power their devices such as IP phones, wireless access points, and security cameras using the same Ethernet cables that are used to connect to the network.
The PoE+ capability also allows for more efficient power management and cost savings by reducing the need for additional power outlets and electrical wiring. It also eliminates the need for additional power supplies or adapters for powered devices, making it more convenient and cost-effective to deploy and manage a network.
Quality of Service (QoS) features
Quality of Service (QoS) refers to a set of technologies and techniques used to manage and prioritize network traffic, ensuring that critical applications and services receive the necessary bandwidth and resources to function properly. The J9539A HP E5406-44G-PoE+ 4G-Sfp Switch Chassis supports QoS features that allow network administrators to prioritize and manage traffic based on different criteria, such as IP address, protocol, or port number.
Some of the QoS features that the switch supports include:
Class of Service (CoS): allows traffic to be divided into different classes, such as voice, video, and data, and assigns different priorities to each class.
Differentiated Services Code Point (DSCP): uses a 6-bit field in the IP header to classify traffic and assign different levels of priority.
Port-based prioritization: allows traffic to be prioritized based on the port it is coming from or going to.
Rate limiting: controls the amount of bandwidth that can be used by a specific type of traffic or by a specific device, preventing a single device or application from consuming all of the available bandwidth.
By implementing QoS features, network administrators can ensure that critical applications, such as voice and video conferencing, receive the necessary bandwidth and resources to function properly, even during times of high network traffic. This can improve overall network performance, reliability, and user experience.
Network management and monitoring options
The J9539A HP E5406-44G-PoE+ 4G-Sfp Switch Chassis offers several network management and monitoring options that allow network administrators to efficiently manage and monitor their network. Some of the key features include:
HP ProVision Software: a powerful network management software that allows for easy configuration, monitoring, and troubleshooting of the switch and other HP networking devices.
Comware Software: a comprehensive network management software that provides advanced features such as security, QoS, and link aggregation.
SNMP (Simple Network Management Protocol) support: allows the switch to be managed and monitored using industry-standard SNMP tools.
RMON (Remote Monitoring) support: allows for monitoring and analysis of network traffic, providing detailed information on bandwidth usage, error rates, and other performance metrics.
CLI (Command Line Interface) and Web UI: allows for easy configuration and management of the switch through a command-line interface or a web-based interface.
Syslog support: allows for logging of system events and alarms, providing valuable information for troubleshooting and analysis.
Firmware upgrades and backups: allows for easy upgrading and backup of the switch's firmware, ensuring that it is always running the latest version.
By providing these network management and monitoring options, the J9539A HP E5406-44G-PoE+ 4G-Sfp Switch Chassis enables network administrators to easily manage and monitor their network, troubleshoot issues, and maintain optimal performance.
- Manufacturer: HP
- MPN: J9539A
- Type: Networking
- Switch -Type: 48 Ports
- SKU: J9539A
- Enclosure Type : Rack-Mountable - 4u
- Ports : 44 X 10/100/1000 + 4 X Sfp
- Power Over Ethernet (Poe) : Yes
- Performance : Routing/Switching Capacity : 379.2 Gbps
- Throughput : Up To 282.1 MPPS
- Mac Address Table Size : 64k Entries
- Jumbo Frame Support : Yes
- Routing Protocol : Rip-1, Rip-2, Vrrp, Ospfv2, Pim-Sm, Static Ip Routing, Pim-Dm, Igmpv3, Ospfv3, Static Ipv6 Routing, Mldv2, Mld
- Remote Management Protocol : Snmp 1, Rmon 1, Rmon 2, Rmon 3, Rmon 9, Telnet, Snmp 3, Snmp 2c, Http
- Encryption Algorithm : Ssl
- Authentication Method : Secure Shell (Ssh), Radius, Tacacs+, Secure Shell V.2 (Ssh2)
- Processor : 1 X Freescale Powerpc 8540 : 666 Mhz
- Ram : 256 Mb - Ddr Sdram
- Flash Memory : 132 Mb
- Power Device : Power Supply - Hot-Plug / Redundant - Plug-In Module
- Power Redundancy : Optional
- Power Redundancy Scheme : 1+1 (With Optional Power Supply)
- Voltage Required : Ac 120/230 V ( 50/60 Hz )
Expansion / Connectivity
- Interfaces : 44 X 10base-T/100base-Tx/1000base-T - Rj-45 - Poe
- 1 X Rs-232c - Management
- 4 X Sfp (Mini-Gbic)
- Expansion Slot(S) : 6 (Total) / 4 (Free) X Expansion Slot
- 1 (Total) / 0 (Free) X Compactflash Card
- Installed Modules Qty (Max) : 2 (Installed) / 6 (Max)
Dimensions & Weight
- Width: 17.5 inch
- Depth : 17.8 inch
- Height : 6.9 inch
- Weight : 45.59 lbs
Different Types of Switches
Networking switches vary widely depending on the number of devices they can support, network bandwidth/speed, and form factor. Switches for small offices will have anything between 4 and 8 ports and can fit on a desk. For larger office network implementation, switches may have 24 ports, 48 ports, 96 ports, and 128 ports and are rack-mountable between 1U and 4U. Switches come in different types depending on the network speed and tasks they support. These include 40/100 Gbps, 10 Gigabit (up to 10000 Mbps), Gigabit Ethernet (up to 1000 Mbps), Power over Ethernet, and Fast Ethernet (10/100 Mbps).
The unmanaged switches offer fixed configuration on a plug-and-play basis. It is the most basic switch and there are a few choices in the market. These switches are affordable, but the basic features make them inappropriate for enterprise applications.
The number of features and level of functionality improves with managed switches, making them ideal for enterprise and business applications. These switches are built with the command-line interface for ease of configuration. Equally, they support SNMP agents that come in handy when troubleshooting network issues.
The security on managed switches is better and will protect different types of traffic. Other features include support for virtual LANs, IP routing, and quality of service settings. Managed switches are more expensive compared to all other types of switches.
Smart switches refer to switches that possess more features than those of unmanaged switches but do not have the full features of managed switches. Smart switches are more cost-effective than managed switches.
Some of the limitations of the smart switches are a lack of telnet access support, Web GUIs, and a lack of many features for VLANs. They are affordable compared to a fully managed switch and are suitable for a smaller computer network.
Modular switches allow the addition of expansion modules as the network expands. The expansion modules allow for more networked devices but are application-specific. They may include wireless access points, firewalls, or network analysis tools. The flexibility of a modular networking switch comes at a higher cost.
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