Dahua-CS4220-16GT-190 20-Port Cloud Managed Desktop Gigabit Switch with 16-Port PoE

Technical Specification
Hardware
Included Power Adapter Yes
PoE Yes
Ethernet Port 16
Ethernet Port Speed 10/100/1000 Mbps
Optical Port Speed 1000 Mbps
Ethernet Port Uplink Speed 10/100/1000 Mbps
Optical Port Uplink Speed 1 Gbps
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 1000 Mbps (uplink)
Reset Button 1
Power Supply Built-in power supply: 100-240 VDC, 47-63 Hz, max 4 A
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 Consumption Idling: ≤8.3 W ; Full load: 212 W
Performance
Layer Layer 2
Management Type Yes
Smart Managed Switch Yes
MTBF 86.94 years
Switching Capacity 40 Gbps
Packet Forwarding Rate 29.76 Mpps
Packet Buffer Size 4 Mbit
Jumbo Frame 15K Byte
MAC Table Size 8K
VLAN Number 32
Communication Standard IEEE802.3; IEEE802.3u; IEEE802.3x; IEEE802.3ab;
IEEE802.3z
Feature
PoE Protocol IEEE802.3af; IEEE802.3at; Hi-PoE; IEEE802.3bt
PoE Power Port 1-2 ≤ 90 W, Port 3-16 ≤ 30 W, total ≤ 190 W
PoE Power Consumption
Management
Yes
PoE Pin Assignment 1,2,4,5（V+）,3,6,7,8（V-）
Long Distance PoE
Transmission
Yes
Spanning Tree Protocol STP/RSTP
VLAN Function Port-based VLAN
IEEE 802.3x Flow Control Yes