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A rack-mounted 24-GbE, 4-Combo, Layer 2 PoE switch with a 300W power supply and a silent cooling system.
Hardware Specification
| 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 / IIEEE 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: DC52V5.76A | ||
| 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) | ||
| MTBF | 100,000 hours | |
Layer 2 Software Function
| Port Management | Enable/Disable Port |
| Speed、Duplex、MTU Setting | |
| Flow-control | |
| Port Information Check | |
| Port Mirroring | Supports both side-way port 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 address 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 |
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 |
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 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 |