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 |
