HPE JG921-61001 1920-8G-PoE+ (65W) Ethernet Network Switches

Power

PoE+ (65W) for Enhanced Convenience

Efficient Power Delivery

The HPE JG921-61001 Ethernet Network Switch is equipped with Power over Ethernet Plus (PoE+) technology, providing enhanced convenience and flexibility for users. With a power budget of 65W, this switch is capable of delivering power to PoE-enabled devices such as IP phones, wireless access points, and surveillance cameras.

PoE+ eliminates the need for separate power supplies and cables, simplifying installation and reducing costs. By leveraging the existing Ethernet infrastructure, this switch allows for easy deployment of devices in locations where power outlets may not be readily available.

Flexible Device Placement

The PoE+ feature of the HPE JG921-61001 enables users to deploy devices in remote or hard-to-reach locations without the need for additional power sources. This flexibility allows for optimal device placement, ensuring optimal network coverage and performance.

Reduced Cable Clutter

By delivering power and data over a single Ethernet cable, PoE+ eliminates the need for multiple cables, reducing cable clutter and simplifying cable management. This not only improves the aesthetics of the network setup but also enhances airflow and reduces the risk of cable damage or accidental disconnection.

Cost Savings

The PoE+ feature of the HPE JG921-61001 Ethernet Network Switch offers significant cost savings by eliminating the need for separate power supplies and associated wiring. This reduces both upfront installation costs and ongoing maintenance expenses.

Additionally, PoE+ allows for centralized power management, enabling administrators to monitor and control power usage across devices. This level of control helps optimize energy consumption, further reducing operational costs.

Ports

8 Ports for Greater Connectivity

Expanded Network Capacity

The HPE JG921-61001 Ethernet Network Switch features 8 ports, providing users with ample connectivity options for their network. These ports enable the connection of multiple devices, such as computers, printers, servers, and network storage devices.

With 8 ports available, users can create a more robust and scalable network infrastructure. This increased capacity allows for the seamless expansion of the network as the business grows or new devices are added.

Improved Network Performance

Having 8 ports ensures that each connected device has its dedicated connection, minimizing congestion and maximizing network performance. This eliminates bottlenecks and enables efficient data transfer, ensuring smooth operation even during peak usage periods.

Flexible Network Configuration

The availability of 8 ports on the HPE JG921-61001 gives users the flexibility to configure their network according to their specific requirements. Whether it's creating separate VLANs for different departments or connecting devices in a daisy-chain configuration, the switch's ports offer versatile options for network setup.

Simplified Cable Management

With 8 ports available, users can consolidate their network connections into a single switch, reducing the number of cables required. This simplifies cable management and improves the overall organization and tidiness of the network setup.

Features

Layer 2 Switching for Efficient Data Handling

Enhanced Network Performance

The HPE JG921-61001 Ethernet Network Switch supports Layer 2 switching, which enables efficient handling of data packets within a local area network (LAN). Layer 2 switching improves network performance by reducing latency and optimizing data flow.

By analyzing the destination MAC (Media Access Control) addresses of incoming data packets, Layer 2 switching allows for faster and more efficient transmission. This results in improved network responsiveness, reduced data transfer times, and enhanced user experience.

Seamless Integration

The Layer 2 switching capability of the HPE JG921-61001 ensures seamless integration with existing network infrastructure. This allows for easy expansion or upgrade of the network without disrupting ongoing operations.

Quality of Service (QoS) for Prioritization

Optimized Traffic Management

The Quality of Service (QoS) feature of the HPE JG921-61001 switch enables administrators to prioritize network traffic based on specific criteria. This ensures that critical applications or services receive the necessary bandwidth and resources for optimal performance.

By assigning different levels of priority to various types of traffic, such as voice or video data, QoS prevents congestion and guarantees a consistent quality of service for all users. This is particularly important in environments where real-time communication or multimedia streaming is essential.

Enhanced User Experience

With QoS in place, users can enjoy a seamless and uninterrupted experience when using bandwidth-intensive applications. Whether it's video conferencing, online gaming, or streaming high-definition content, QoS ensures that these applications receive the necessary resources to perform optimally.

VLAN Support for Network Segmentation

Improved Network Security

The VLAN support feature of the HPE JG921-61001 allows for network segmentation, dividing a single physical network into multiple virtual networks. Each VLAN operates as an independent entity, isolated from other VLANs, thereby enhancing network security.

By segregating traffic into different VLANs, administrators can control access to sensitive information and prevent unauthorized users from accessing critical resources. This helps protect against potential security breaches and ensures the privacy and integrity of data.

Enhanced Network Performance

VLAN support also improves network performance by reducing network congestion. By separating devices into different VLANs based on their communication needs, administrators can better manage and prioritize network traffic, resulting in improved overall performance.

Auto-negotiation for Simplified Setup

Effortless Speed and Duplex Configuration

The auto-negotiation feature of the HPE JG921-61001 switch simplifies the setup process by automatically detecting the speed and duplex mode of connected devices. This eliminates the need for manual configuration and ensures optimal compatibility between devices.

Auto-negotiation allows devices to negotiate and establish the highest possible speed and duplex mode supported by both ends of the connection. This ensures efficient data transfer and prevents performance issues that may arise from mismatched configurations.

Plug-and-Play Convenience

With auto-negotiation, users can simply plug in their devices, and the switch will automatically determine the best settings. This plug-and-play convenience saves time and effort during the initial setup and eliminates potential configuration errors.

Auto-uplink (auto MDI/MDI-X) for Flexibility

Simplified Cable Management

The auto-uplink feature of the HPE JG921-61001 switch eliminates the need for crossover cables when connecting to other network devices. This feature automatically detects the type of cable being used and adjusts the internal wiring accordingly.

By supporting both MDI (Media Dependent Interface) and MDI-X, the switch can seamlessly connect to other devices without the need for manual cable adjustments. This simplifies cable management and ensures hassle-free connectivity.

Flexible Network Expansion

With auto-uplink, users have the flexibility to expand their network without worrying about cable compatibility. The switch can automatically adapt to the type of cable being used, whether it's a straight-through or crossover cable, making it easier to add new devices or extend the network.

Half/Full Duplex Mode for Optimal Performance

Efficient Data Transfer

The HPE JG921-61001 switch supports both half-duplex and full-duplex modes of operation. In half-duplex mode, data can be transmitted and received, but not simultaneously. In full-duplex mode, data can be transmitted and received simultaneously.

By supporting full-duplex mode, the switch allows for faster and more efficient data transfer, reducing latency and maximizing network performance. Full-duplex communication eliminates collisions and minimizes packet loss, resulting in improved throughput and reduced transmission times.

Flow Control for Congestion Prevention

Smooth Data Transmission

The flow control feature of the HPE JG921-61001 switch ensures smooth data transmission by managing network congestion. When a device or link becomes overloaded with traffic, flow control signals are sent to temporarily pause data transmission until congestion subsides.

This prevents packet loss and ensures that data is transmitted reliably and without interruption. Flow control is particularly important in high-traffic environments where bandwidth utilization needs to be optimized to maintain network performance.

Management

Web-based Management for Intuitive Control

User-Friendly Interface

The HPE JG921-61001 switch features web-based management, providing users with an intuitive and user-friendly interface for controlling and configuring the switch. With a web browser, users can access and manage the switch from any computer connected to the network.

The web-based management interface simplifies administrative tasks by providing a graphical representation of the switch's configuration options. This makes it easy to configure VLANs, set up QoS policies, monitor network performance, and perform firmware updates, among other functions.

Remote Management

Web-based management allows for remote administration of the switch, eliminating the need for physical access to the device. This is particularly beneficial in scenarios where the switch is located in a secure or hard-to-reach area.

Administrators can remotely monitor and manage the switch's settings and performance, ensuring continuous network operation and minimizing downtime. Remote management also enables swift troubleshooting and problem resolution, enhancing overall network efficiency.

SNMP for Network Monitoring

Comprehensive Network Visibility

The HPE JG921-61001 switch supports Simple Network Management Protocol (SNMP), a standard protocol used for managing and monitoring network devices. SNMP allows administrators to collect real-time data about the switch's performance and status, providing comprehensive network visibility.

By using SNMP-compatible monitoring tools, administrators can monitor various aspects of the switch, including traffic statistics, port status, error rates, and environmental conditions. This proactive monitoring enables timely identification and resolution of potential issues before they impact network performance or availability.

Alerts and Notifications

SNMP also allows for event-driven alerts and notifications. Administrators can configure the switch to send alerts when predefined thresholds are exceeded or when specific events occur. This ensures that administrators are promptly informed of any critical network conditions, enabling them to take immediate action.

CLI for Advanced Configuration

Advanced Configuration Options

In addition to web-based management, the HPE JG921-61001 switch supports Command Line Interface (CLI) for advanced configuration and control. CLI provides administrators with a text-based interface for executing commands and configuring the switch.

CLI offers granular control over the switch's settings and allows administrators to perform complex configuration tasks efficiently. It also provides scripting capabilities, enabling the automation of repetitive tasks and the creation of customized configurations.

CLI is commonly used by experienced network administrators who prefer the flexibility and fine-grained control offered by a command-line interface. It is particularly useful in large-scale deployments or environments that require advanced configuration options.

Security

Access Control List (ACL) for Network Protection

Granular Traffic Filtering

The HPE JG921-61001 switch features Access Control List (ACL) functionality, allowing administrators to define rules for filtering network traffic based on specific criteria. ACL provides granular control over which packets are allowed or denied, enhancing network security.

By configuring ACL rules, administrators can specify how traffic is handled based on factors such as source and destination IP addresses, protocols, port numbers, or even specific packet contents. This ensures that only authorized traffic is allowed to traverse the network, protecting against potential threats or unauthorized access.

Prevention of Denial-of-Service Attacks

ACL can be effectively used to prevent or mitigate Denial-of-Service (DoS) attacks by blocking suspicious or malicious traffic. By setting up rules that identify and drop packets associated with known attack patterns, administrators can safeguard the network from disruptions and maintain uninterrupted service.

Secure Shell (SSH) for Secure Remote Access

Encrypted Communication

The HPE JG921-61001 switch supports Secure Shell (SSH), a cryptographic network protocol that provides secure remote access to the switch. SSH encrypts the communication between the remote administrator's computer and the switch, protecting against eavesdropping or unauthorized access.

By using SSH, administrators can securely log in to the switch and perform administrative tasks without the risk of sensitive information being intercepted. The encrypted communication ensures data confidentiality and integrity, even when accessing the switch over untrusted networks.

Authentication and Authorization

SSH also provides strong authentication mechanisms, ensuring that only authorized users can access the switch. By requiring a username and password or public-private key pair for authentication, SSH prevents unauthorized individuals from gaining access to the switch's management interface.

RADIUS for Centralized Authentication

Centralized User Management

The HPE JG921-61001 switch supports RADIUS (Remote Authentication Dial-In User Service), a client/server protocol used for centralized authentication, authorization, and accounting of network access. RADIUS allows for centralized user management across multiple network devices.

By integrating with a RADIUS server, administrators can centrally manage user accounts and credentials. This eliminates the need to configure individual user accounts on each network device, simplifying user provisioning and enhancing overall security.

Enhanced Security

RADIUS provides an additional layer of security by enabling administrators to enforce strong authentication mechanisms such as two-factor authentication or certificate-based authentication. This ensures that only authorized users with valid credentials can access the network, minimizing the risk of unauthorized access.

TACACS+ for Secure Network Control

Enhanced Access Control

The HPE JG921-61001 switch supports TACACS+ (Terminal Access Controller Access-Control System Plus), a protocol used for secure network control and authentication. TACACS+ allows administrators to define fine-grained access control policies for network resources.

By integrating with a TACACS+ server, administrators can enforce access control policies that dictate which users have permission to access specific network devices or perform certain actions. This ensures that only authorized individuals can make configuration changes or access sensitive resources.

Auditing and Accountability

TACACS+ provides comprehensive auditing and accountability features, allowing administrators to track and log all administrative activities performed on the switch. This enables the identification of any unauthorized or suspicious actions and facilitates forensic analysis in the event of a security incident.

Dimensions

Compact Size for Space Efficiency

Space-Saving Design

The HPE JG921-61001 Ethernet Network Switch has compact dimensions of 10.2 x 25.4 x 2.5 cm (width x depth x height). Its small form factor allows for easy integration into various network environments, making it suitable for deployments where space is limited.

The compact size of the switch enables flexible installation options, whether it's mounting on a wall, placing it on a desktop, or integrating it into a rack. This versatility ensures that the switch can be conveniently positioned according to the specific requirements of the network setup.

Optimal Airflow and Cooling

The compact design of the HPE JG921-61001 switch allows for efficient airflow and cooling. Adequate ventilation is essential for preventing overheating and ensuring the reliable operation of the switch.

The compact size helps maintain proper airflow within the switch, dissipating heat generated by the internal components. This promotes optimal performance and extends the lifespan