Dahua SG4020LP is a 20-port Gigabit managed network switch: 16 x RJ45 10/100/1000Mbps PoE, 2 x SFP 1000Mbps & 2 x RJ-45 - MAC Table Size 8K - Packet Buffer Memory 4 Mbit - Switching Capacity 40Gbps - Lightning proof 2kV - PoE power 190W - Dimensions 440 mm × 220 mm × 44 mm
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20-PORT MANAGED NETWORK SWITCH + THUNDERPROOF 2KV - DAHUA - SG4020LP

16 × RJ-45 10/100/1000 Mbps (PoE), 2 × RJ-45 10/100/1000 Mbps (uplink) & 2 × SFP 1000Mbps (uplink) - manageable. Supports manual aggregation and static aggregation of LACP protocol, MAC Table Size 8K - Packet Buffer 4 Mbit - Switching Capacity 40Gbps - Power Consumption at idle: ≤ 8.3 W; full load: 212 W - Lightning Protection 2kV - PoE Switch Power 190W - Dimensions 440 mm × 220 mm × 44 mm

- Network Switch - Dahua - SG4020LP
- 20 Ports: 16 × RJ-45 10/100/1000 Mbps (PoE); 2 × RJ-45 10/100/1000 Mbps (uplink); 2×SFP 1000Mbps (uplink)
- Managed
- Layer 2
- Packet buffer size 4 Mbit
- MAC Table Size 8K
- 40Gbps switching capacity
- Lightning protection: 4kV Common / 2kV Differential
- Dimensions: 440mm × 220mm × 44mm
- Weight: 2.32 kg
- Supported operating temperature:–10°C to +55°C
Technical data sheet
Model | SG4020LP |
Basic | |
Layer | Layer 2 |
Switching Capacity | 40 Gbps |
Packet Forwarding Rate | 29.76 Mpps |
Description of Function Slots | Port 1-16: 16 × RJ-45 10/100/1000 Mbps (PoE); Port 17-18: 2 × RJ-45 10/100/1000 Mbps (uplink); Port 19-20: 2 ×SFP 1000Mbps (uplink) |
Operating Temperature | –10 °C to +55 °C (+14 °F to +131 °F) |
Operating Humidity | 5% –95% (RH), non-condensing |
Storage Temperature | –40 °C to +70 °C (–40 °F to +158 °F) |
Storage Humidity | 5%–95% (RH), non-condensing |
Power Supply | Built-in power supply: 100–240 VAC, 47–63 Hz, max 4A |
Power Consumption | Idling: ≤8.3W ; Full load: 212W |
Statics Protection | Air discharge: 8 kV; Contact discharge: 6 kV |
Lightning Protection | Common mode: 4 kV; Differential mode: 2 kV |
Net Weight | 2.32 kg (5.10 lb) |
Gross Weight | 2.97 kg (6.53 lb) |
Product Dimensions | 440 mm × 220 mm × 44 mm (17.32" × 8.66" × 1.73") (L × W × H) |
Packaging Dimensions | 540 mm × 342 mm × 90 mm (21.26" × 13.46" × 3.54") (L × W × H) |
Casing Material | Sheet metal |
Installation | Desktop mount; rack mount |
Certifications | THERE IS |
PoE | |
PoE | Yes |
PoE Power | Port 1-2 ≤ 90W, Port 3-16 ≤ 30W, total ≤ 190W |
PoE Protocol | IEEE802.3af; IEEE802.3at; Hi-PoE; IEEE802.3bt |
PoE Power Consumption Management | Yes |
PoE Pin Assignment | 1,2,4,5(V+),3,6,7,8(V-) |
Long Distance PoE Transmission | Yes |
Hardware | |
Reset Button | 1 |
Performance | |
MTBF | 86.94 years |
Packet Buffer Memory | 4 Mbit |
Jumbo Frame | 15K Bytes |
MAC Table Size | 8K |
Communication Standard | IEEE802.3; IEEE802.3u; IEEE802.3x; IEEE802.3ab; IEEE802.3z |
VLAN Number | 32 |
Feature | |
Ethernet Loop Protection | STP, RSTP |
VLAN Function | Port-based VLAN |
Link Aggregation | Yes |
DHCP Function | DHCP Client |
Equipment Management | Web management |
General | |
Packing List | Quick Start Guide × 1; Legal and Regulatory Information × 1; Power cord × 1; Rack-mount kit × 1 |
Further details

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