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 Snooping

PoE 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 15KV

Network Transmission Medium

10BASE-T: Cat3, 4, 5 UTP (≤ 100 m)

100BASE-TX: UTP (≤100 m) above Cat5

1000BASE-TX: UTP (≤100 m) above Cat5

Optical

Multimode fiber: 1310nm, 2Km

Single-mode fiber: 1310nm, 20/40 Km

                              1550nm, 60/80/100/120Km

The 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: 300W

Physical Dimension

Product size (L×W×H): 445mm × 285mm × 45mm

Package size (L×WxH): 470mm × 350mm × 120mm

Working 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 filtering

Link Aggregation

Support static manual aggregation

Support LACP dynamic aggregation

VLAN

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 Protocol

Multicast

Support static addition, deletion

IGMP-snooping

Support 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