User manual
HP J9983A HPE OfficeConnect 1820 24G

User Manual for HP J9983A HPE OfficeConnect 1820 24G 24 Port PoE Switch

• Product category: Network Switches, Bridges & Hubs HP
• Brand: HP
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for HP Network Switches, Bridges & Hubs

Product description

Simple Web Management
• Allows for easy management of the switch-even by nontechnical users-through an intuitive Web GUI; supports HTTP and HTTP Secure (HTTPS)

SNMPv1, v2c
• Enable devices to be discovered and monitored from an SNMP management station

Port Mirroring
• Enables traffic on a port to be simultaneously sent to a network analyzer for monitoring

Dual Flash Images
• Provide independent primary and secondary operating system files for backup while upgrading

Network Time Protocol
• Synchronizes timekeeping among distributed time servers and clients; keeps timekeeping consistent among all clock-dependent devices within the network

Manual Network Time Configuration
• Manually set the date and time on the switch in the absence of an NTP server

Default DHCP Client Mode
• Allows the switch to be directly connected to a network, enabling plug-and-play operation; in the absence of a DHCP server on the network, the switch falls back to a default, fixed IP address

Quality of Service (QoS)
• Traffic Prioritization
  Provides time-sensitive packets (like VoIP and video) with priority over other traffic based on DSCP or IEEE 802.1p classification; packets are mapped to eight hardware queues for more effective throughput
  Broadcast Control
  Allows limiting of broadcast traffic rate to reduce unwanted network broadcast traffic
  IEEE 802.1p/Q
  Delivers data to devices based on the priority and type of traffic; supports IEEE 802.1Q

Connectivity
• Auto-MDI/MDIX
  Automatically adjusts for straight through or crossover cables on all ports
  IEEE 802.3X Flow Control
  Provides a flow throttling mechanism propagated through the network to prevent packet loss at a congested node
  Loop Protection
  If the switch detects a loop, it disables the source port from forwarding data packets originating from the switch to avoid broadcast storms
  IEEE 802.3at Power over Ethernet (PoE+)
  Provides up to 30 W per port, which allows support of PoE+ capable devices such as IP phones, wireless access points, and security cameras, as well as any IEEE 802.3af-compliant end device; lowers the cost of additional electrical cabling and circuits that would otherwise be necessary in IP phone and WLAN deployments
  PoE+ Port Availability
  Ports 1-12 provide PoE+ on the HPE OfficeConnect 1820-24G-PoE+ (185 W) switch
  Auto-PoE Power Configuration
  The switch automatically assignsthe required power to a port for a PD device based on Link Layer Discovery Protocol (LLDP). Optionally, the switch permits manual, per port, PoE power configuration
  PoE Shutdown Mode
  A PoE scheduler provides the ability to define the hours of PoE power being supplied to a group of switch ports based on a 24-hour day. The scheduler enables the flexibility to select individual days of a week as well as reoccurrence on a weekly basis with a start and end date

Security
• Secure Sockets Layer (SSL)
  Encrypts all HTTP traffic, allowing secure accessto the browser-based management GUI in the switch
  Automatic Denial-of-Service Protection
  Monitors nine types of malicious attacks and protects the network by blocking these attacks
  Management Password
  Provides security so that only authorized access to the Web browser interface is allowed

Performance
• Half-/Full-Duplex
  Half-/full-duplex auto-negotiating capability on every port doubles the throughput of every port
  IGMP Snooping
  Improves network performance through multicast filtering, instead of flooding traffic to all ports

Layer 2 Switching
• VLAN Support and Tagging
  Supports up to 64 port-based VLANs and dynamic configuration of IEEE 802.1Q VLAN tagging, providing security between workgroups
  Jumbo Packet Support
  Improves the performance of large data transfers; supports frame size of up to 9,220 bytes

Resiliency and High Availability
• IEEE 802.1D Spanning Tree Protocol (STP) and IEEE 802.1W Rapid Spanning Tree Protocol (RSTP)
  Provides redundant links while preventing network loops
  Link Aggregation (Trunking)
  Brings together groups of ports automatically using Link Aggregation Control Protocol (LACP) or, manually, to form an ultra-high-bandwidth connection to the network backbone; helps prevent traffic bottlenecks

Ease of Use
• Locator LED
  Allows usersto set the locator LED on a specific switch to either turn on, blink, or turn off; simplifies troubleshooting by making it easy to locate a particular switch within a rack of similar switches
  Comprehensive LED Display with Per-Port Indicators
  Provides an at-a-glance view of status, activity, speed, and full-duplex operation

Flexibility
• Flexible Installation
  Allows mounting on wall, desktop, or under table with supplied hardware
  Rack Mountable
  All models include rack-mounting hardware for mounting in a standard 19-inch telco rack

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Technical parameters

HP J9983A#ABA Specs

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