24-Port Gigabit Managed PoE+ Switch with 4 Gigabit Combo Ports 300W, Model: GS2028PS4 300W
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24-Port PoE + 4-Port Uplink
● 10/100/1000Mbps Ethernet ports
● IEEE 802.3af / 802.3at compliant
● 300W total PoE power supply.
● Ideal for installing 24 PoE devices
● Auto-sensing technology delivers up to 32W of power to an 802.3at PoE + device with backward compatibility for 802.3af PoE (15.4W) devicesFlexibility of Uplink Ports
● 4x 1G Ethernet / SFP combo ports
● 4 x 1G Ethernet ports Provide a variety of installation methods for easy deployment in any environment
● Support for the 19-inch cabinet installation
● Support desktop installation
Heat Dissipation
● Made of high-quality metal case, sturdy and durable with long service life, provide better heat dissipation, suitable for most environment.
● Built-in fan and venting holes help to dissipate heat quickly and ensure stable product operation
High-Quality TPS PoE chipset inside
● High-Quality TPS PoE chipset inside ensure High performance and stable operation of the product.
Auto-sensing technology
● The port power prioritization technology ensures the continuous power supply of the key nodes.
Lightning protection
● Electrostatic standard: contact 6KV, air 8KV
● MTBF > 50000 hour
Specifications
Model GS2028PS4 Interface 24 * 10/100/1000M POE Ports + 4 * Gigabit SFP/TP Combo Ports + 1 * Console Port Network Protocols IEEE 802.3
IEEE 802.3u
IEEE 802.3ab/ad/az/af/at
IEEE 802.3x
IEEE 802.1q
IEEE 802.1p, QoS
IGMP SnoopingPoE Parameters PoE Standard: IEEE802.3at (30W) and IEEE802.3af (15.4w) PoE compatibility: IEEE 802.3af/at adaptive POE port output: DC48-55V Power Pin Assignment: Power over spare pairs 1/2(+) and 3/6 (-) Port Lightning Protection General Mode 6KV,
Differential Mode 4KV,
ESD 15KVNetwork Transmission Medium 10BASE-T: Cat3, 4, 5 UTP (≤ 100 m)
100BASE-TX: UTP (≤100 m) above Cat5
1000BASE-TX: UTP (≤100 m) above Cat5Optical Multimode fiber: 1310nm, 2Km
Single-mode fiber: 1310nm, 20/40 Km
1550nm, 60/80/100/120KmThe LED indicator SYS, PWR, Link (lines 2, 4) / Act (lines 1, 3) Power Supply Machine input voltage: AC110-240V
Output: DC52V 5.76A
Total power: 300WPhysical Dimension Product size (L×W×H): 445mm × 285mm × 45mm
Package size (L×WxH): 470mm × 350mm × 120mmWorking Environment Operating Temperature: -20° ~ 55 °C
Storage Temperature: -40 ° ~ 85 °C
Operating Humidity: 10% ~ 95%, non-condensing
Working height: up to 10,000 feet (3,000 meters)
Storage height: up to 10,000 feet (3,000 meters)Technical Indicators Bandwidth
56Gbps (non-blocking)
Packet Forwarding rate
41.66Mpps
Packet Buffer Memory
4M
Memory Capacity
128MB
Flash Capacity
16MB
Jumbo frame
9.6Kbytes
VLANs
4096
MAC
8K
Forwarding Mode
Store-And-Forward
Layer 2 Software Function Port Management Enable/Disable Port Speed, Duplex, MTU Setting Flow-control Port Information Check Port Mirroring Supports both side-way ports mirroring Port Speed Limit Supports port-based input/output bandwidth management Port Isolation Support the downlink port isolation and can communicate with the uplink port Storm Suppression Supports unknown unicast, multicast, unknown multicast
broadcast type storm suppression
Storm suppression based on bandwidth regulation and storm filteringLink Aggregation Support static manual aggregation
Support LACP dynamic aggregationVLAN Access Trunk Hybrid Support port, protocol, MAC-based VLAN partitioning Support GVRP dynamic VLAN registration Voice VLAN MAC Support static addition, deletion MAC addresses learning limit Support dynamic aging time setting Spanning tree Support STP spanning tree protocol
Supports RSTP Rapid Spanning Tree Protocol
Supports MSTP Rapid Spanning Tree ProtocolMulticast Support static addition, deletion
IGMP-snoopingSupport MLD-Snooping Support v1/2/3 dynamic multicast monitor DDM Support SFP/SFP+DDM Extended Function ACL Based on source MAC, destination MAC, protocol type, source IP, destination IP, L4 port QoS Based on 802.1p (COS) classification Based on the DSCP classification Classification based on source IP, destination IP and port number Support SP, WRR scheduling strategy Support flow rate limit CAR LLDP Support LLDP link discovery protocol User settings Add/delete users Log User login, operation, status, events Anti-attack DOS defense Support CPU protection and limits the rate of sending CPU packets ARP binding (IP, MAC, PORT binding) Certification Support 802.1x port authentication Support AAA certification Network diagnosis Support ping, telnet, trace System Management Device reset, configuration save/restore, upgrade management, time setting, etc. Management function CLI Support serial port command line management SSH Support SSHv1/2 remote management TELNET Support telnet remote management WEB Support Layer 2 settings, Layer 2 and Layer 3 monitor SNMP SNMP V1/V2/V3 Support trap: ColdStart, WarmStart, LinkDown, LinkUp RMON Support RMON v1 POE Support PoE power supply Other functions Support DHCP Snooping, Option82 Support dynamic ARP detection Support TACACS+ certification Support DNS certification Support port security settings Support MVR protocol Support cable detection VCT function Support UDLD protocol -
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● Compatible with IEEE802.3at and IEEE802.3af
● Ethernet port supports 10/100/1000M adaptive and POE functions
● Fanless design, Natural Cooling, 1U Rack Mount
● Support WEB, TELNET, CLI, SSH, SNMP, RMON management
● Support POE Power Management
● Lightning Protection Surge
