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Easily integrate the plug-and-play capable J9983A HPE OfficeConnect 1820 24G 24 Port PoE+ Switch from HP into your existing network configuration, or tweak the switch to suit your specific networking needs. Whatever the needs of the network, administrators will have an easy time configuring and managing all aspects of the network thanks to a browser-based GUI. With a variety of advanced features including SNMP management, port mirroring, dual flash images, Network Time Protocol (NTP), manual network time configuration, and default DHCP client mode the J9983A can be tailored to serve the needs of nearly any business.
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)
Enable devices to be discovered and monitored from an SNMP management station
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
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
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
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
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
In the Box
HP J9983A HPE OfficeConnect 1820 24G 24 Port PoE+ Switch
Limited Lifetime Manufacturer Warranty
Table of Contents
Ports and Slots
12 x RJ-45 autosensing 10/100/1000 PoE+ ports; Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only
12 x RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only
2 x SFP 100/1000 Mbps ports (IEEE 802.3z Type 1000BASE-X, IEEE 802.3u Type 100BASE-FX)
Supports a maximum of 24 autosensing 10/100/1000 ports plus 2 SFP 100/1000 slots
Operating Temperature 32 to 104°F / 0 to 40°C Operating Relative Humidity 15 to 95% @ 104°F / 40°C Non-Operating/Storage Temperature -40 to 158°F / -40 to 70°C Non-Operating/Storage Relative Humidity 15 to 95% @ 140°F / 60°C Altitude Up to 9,842' / 3 km Acoustic Power: 36 dB no fan
Frequency 50/60 Hz AC Voltage 100-127 / 200-240 VAC Current 2.6 / 1.3 A Maximum Power Rating 240 W Idle Power 28.3 W PoE Power 185 W PoE+
UL 60950-1; CAN/CSA 22.2 No. 60950-1; EN 60825; IEC 60950-1; EN 60950-1
FCC Class A; EN 55022/CISPR-22 Class A; VCCI Class A
EN 55024, CISPR 24 EN 55024, CISPR 24 IEC 61000-4-2 IEC 61000-4-3 IEC 61000-4-4 IEC 61000-4-5 IEC 61000-4-6 IEC 61000-4-8 IEC 61000-4-11 EN 61000-3-2, IEC 61000-3-2 EN 61000-3-3, IEC 61000-3-3