| 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 |
1 × 6,098 MKD
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