What is HPE J9981A 1820-48G Managed L2 Gigabit Ethernet Switch? At the lowest price Mi Atlantic Eu

 HPE 1820-48G switch:

The HPE Office Connect 1820 switch series plans are basic, logically managed, fixed-configuration Gigabit Ethernet Layer 2 switches designed for small trades looking for key purposes in an easy-to-manage answer. This series is part of the Office Attach portfolio of HPE J9981A 1820-48G minor business chitchatting crops. Some replicas include SFP ports for fiber optic influences, and the 8, 24, and 48-port non-PoE+ models are fanless, making them ideal for office deployment.

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All HPE Office Connect 1820 switches provision supple connection options, with connections on the wall, below the table, or on the desktop. The 8-port Gigabit Ethernet perfect can be powered by an upstream Power-over-Ethernet (PoE) switch and is appropriate for environs where no line power is obtainable. These Gigabit adjustments are plug-and-play, and if essential, you can fine-tune net operations to finish the functions if by a simple GUI based on a Web browser. Customizable features comprise VLAN, rapid spanning tree, IGMP prying, link combination relay, and DSCP QoS plan. All models comprise the latest energy-saving topographies, counting Energy Efficient Ethernet (EEE) and free port power-off.

Features and benefits management:

Humble web organization allows easy running of the switch through an instinctive web GUI-even for non-technical users; supports HTTP and HTTP Secure (HTTPS)

·         SNMPv1, v2c allow detection and nursing of devices from SNMP organization stations

·         Port reflecting enables the traffic on the port to be sent to the network analyzer at the same time to monitor dual flash images. Delivers independent primary and subordinate working system files for backup during promotions

·         Network Time Procedure (NTP) harmonizes timing between dispersed time servers and regulars; keeps the judgment of all clock-dependent devices in the system reliable

·         Manual network time conformation Manually set the date and time on the difference without an NTP server

·         Evasion DHCP client mode

Quality of Service (QoS)

Traffic Import Bestowing to DSCP or IEEE 802.1p cataloging, time-sensitive data containers (such as VoIP and video) are as long as before other traffic; data cartons are mapped to eight hardware lines to obtain a more efficient amount.

·         Program control allows warning the rate of program traffic to reduce needless network broadcast traffic

·         IEEE 802.1p/Q conveys data to devices rendering to priority and traffic type; ropes IEEE 802.1Q

Connectivity

·         Auto-MDI/MDIX Mechanically adjusts straight-through or cusp chains on all ports

·         IEEE 802.3X flow switch delivers a flow regulating device spread through the network to prevent pack loss at congested nodes

·         Loop defense If the switch notices a loop, it will forbid the source port from advancing data packets creating from the switch to avoid transmission tempests

·         The SFP port used for visual fiber connection provides visual fiber connection for uplink and other influences, and its distance is longer than the distance reinforced by copper cable; SFP port is an addition to the available copper Ethernet port and provides more usability the total number of ports. SFP ports are obtainable for 24 and 48 port models

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Obtain the control provided by the standard PoE maneuver connected to port 1; deploy the switch wherever the Ethernet chain can reach, because no control outlet is obligatory (only 8-port Gbe non-PoE+ models). Each port delivers up to 30 W of power to support the latest PoE+ devices, such as IP phones, wireless access points, and safety cameras, as well as any terminal plans that comply with the IEEE 802.3af normal; reducing the need for IP phones and WLAN deployment the cost of extra cables and tours.

PoE+ port availability:

Ports 1–4 deliver PoE+ on HPE Office Connect 1820-8G-PoE+ (65W) modifications; ports 1–12 provide PoE+ on HPE Office Attach 1820-24G-PoE+ (180W) switches; ports 1–24 provide PoE+ on HPE Office Link 1820-48G -PoE+ (370W) PoE+ is if on the switch. The switch automatically allocates the obligatory power to the ports of the PD device rendering to the Link Layer Discovery Protocol (LLDP). Otherwise, the switch allows the manual shape of PoE power by the harbor.

Easy to use:

The radar LED allows the user to set the sensor LED on a specific difference to be on, broken, or off; simplified troubleshooting by easily detecting the specific modification in a switch-like rack. A complete LED display with needles for each port is provided an indication view of status, activity, speed, and full-duplex process.

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