## HPE JG937A 5130-48G-PoE+ 4SFP+ (370W) EI 48 Port Managed Switch Overview ### Device Type and Form Factor ? Switch Type: Managed Layer 3 ? Port Configuration: 48 Ports ? Rack-Mountable: 1U ? Stackable: Yes, allows multiple units in a stack ### Networking Specifications ? Subtype: Gigabit Ethernet with four 10 Gigabit Ethernet SFP+ uplinks ? Power over Ethernet (PoE+): Supports PoE+ with a budget of 370W ? Throughput: Delivers up to 130.9 Mpps (Million Packets Per Second) ? Routing/ Switching Capacity: 176 Gbps for seamless data flow #### Advanced Performance and Capabilities ? IPv4 Routing Table Entries: 512 ? IPv6 Routing Table Entries: 256 ? MAC Address Table: Supports 16,384 entries ? Jumbo Frame Support: Frames up to 9,216 bytes for efficient data handling ### Supported Protocols and Features ? Routing Protocols: Static IPv4 and IPv6 routing ? Remote Management: Via SNMP, HTTP, HTTPS, CLI, RMON, and more ? Enhanced Security: Dynamic ARP protection, DHCP protection, and port isolation #### Layer 2 and Layer 3 Functionality ? Support for VLANs: Includes auto-uplink, tagged VLAN, and per-VLAN Spanning Tree Plus (PVST+) ? IGMP Snooping: For optimizing multicast traffic ? Rapid Spanning Tree Protocol (RSTP) and Multiple Spanning Tree Protocol (MSTP): To prevent loops ### Quality of Service (QoS) and Traffic Management ? QoS: Ensures traffic prioritization through Weighted Round Robin (WRR) queuing and Strict Priority Queuing (SPQ) ? Port Security: Restricts unauthorized access ? Access Control Lists (ACLs): Adds an extra layer of network security #### Resilience and Redundancy ? Intelligent Resilient Framework (IRF) Technology: Ensures high availability ? Rapid Ring Protection Protocol (RRPP): Provides network redundancy ? Device Link Detection Protocol (DLDP): Monitors link status ### Compliance and Standards ? Complies with: IEEE 802.3, 802.3u, 802.3i, 802.3z, 802.1d, 802.1q, and more ? Supports Power over Ethernet standards: IEEE 802.3af and IEEE 802.3at ? Other standards: 802.3x (Flow Control), 802.3ad (LACP), 802.1p (Priority Tagging) ### Power and Energy Efficiency ? Internal Power Supply: Delivers reliable power with an operational consumption of 490W ? Voltage Required: AC 120/230 V (50/60 Hz) ## Power The HPE JG937A Managed Network Switch is equipped with the Power over Ethernet Plus (POE+) feature, which provides significant benefits for users in terms of convenience, flexibility, and cost savings. POE+ is an advanced technology that allows both power and data to be transmitted over a single Ethernet cable, eliminating the need for separate power sources for devices such as IP phones, wireless access points, and security cameras. ### Convenience and Flexibility One of the major advantages of the POE+ feature is the convenience it offers. With traditional network switches, users often have to deal with the hassle of locating power outlets near their devices or installing additional power sources. However, with the HPE JG937A Managed Network Switch, this problem is eliminated. The POE+ capability allows users to conveniently power devices directly from the switch without the need for separate power cables or outlets. Moreover, the POE+ feature offers great flexibility in terms of device placement. Users can easily deploy devices in locations where power outlets may not be readily available, such as ceiling-mounted wireless access points or outdoor security cameras. This flexibility allows for more efficient network planning and deployment, as well as easier scalability as network needs grow. ### Cost Savings Another significant benefit of the POE+ feature is its potential for cost savings. By eliminating the need for separate power sources and cables, users can save on installation costs and reduce cable clutter. This not only simplifies network infrastructure but also reduces maintenance efforts by eliminating the need for periodic checks on power connections. Furthermore, the HPE JG937A Managed Network Switch utilizes intelligent power management capabilities, ensuring efficient use of power resources. With the ability to monitor and control power consumption at a granular level, users can optimize energy usage and reduce overall electricity costs. This is particularly beneficial in large-scale deployments where numerous devices are connected, as energy savings can add up significantly over time. ### Reliability and Safety The POE+ feature also enhances the reliability and safety of connected devices. The HPE JG937A Managed Network Switch is designed to deliver power in a stable and controlled manner, ensuring consistent performance and minimizing the risk of power surges or failures that could potentially damage devices. Additionally, the switch incorporates advanced power management features such as overcurrent protection and short-circuit prevention, further safeguarding connected devices from potential damage. #### Power Management Capabilities The HPE JG937A Managed Network Switch offers extensive power management capabilities that enable users to monitor, control, and optimize power usage within their network. With features such as power scheduling and power prioritization, users can effectively manage power allocation based on device requirements and network priorities. ##### Power Scheduling Power scheduling allows users to define specific time periods for device operation, enabling power to be automatically turned on or off based on predefined schedules. This feature is particularly useful for devices that are only required during specific hours of the day or for organizations that aim to conserve energy during non-business hours. ##### Power Prioritization Power prioritization allows users to assign different power levels or priorities to devices based on their importance or criticality within the network. This ensures that essential devices receive sufficient power supply even during high-demand situations, preventing any potential disruptions or performance degradation.