S4220-16GT-240
20-Port Managed Desktop Gigabit Switch with 16-Port PoE
> Layer 2 network management PoE switch.
> Supports web, and network management software based on SNMP.
> Network redundancy: STP/RSTP.
> Supports PoE power consumption management, PoE power off management.
> Supports IEEE802.3af, IEEE802.3at.
> Port 1 and port 2 support IEEE802.3bt, and are compatible with Hi-PoE.
> Supports PoE watchdog.
> Supports 250 m long-distance transmission mode.
Hardware
Included Power Adapter
Yes
PoE
Yes
Ethernet Port
18
Optical Port
2
Ethernet Port Speed
10/100/1000 Mbps
Optical Port Speed
1000 Mbps
Description of Function Slots
Port 1-16: 16 × RJ45 10/100/1000 Mbps(PoE)
Port 17-18: 2 × RJ45 10/100/1000 Mbps
Port 19-20: 2 × SFP 1000 MbpsDebugging
Console × 1
Reset Button
1
Power Supply
100-240 VAC, 50/60 Hz, 3.5 A
Operating Temperature
–10°C to 55°C (+14°F to +131°F)
Operating Humidity
5%–95% (RH)
Power Consumption
Idling load: ≤ 20 W;
Full load: 240 WPerformance
Management Type
Yes
MTBF
467125.73 hours
Switching Capacity
56 Gbps
Packet Forwarding Rate
29.76 Mpps
Packet Buffer Size
4.1 Mbit
Jumbo Frame
10K Byte
MAC Table Size
8K
VLAN Number
4K
VLAN Interface
10
Dynamic ARP
512
Communication Standard
IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3ad
Feature
PoE Protocol
IEEE802.3af (PoE); IEEE802.3at (PoE+); Hi-PoE; IEEE802.3bt (PoE++)
PoE Power
Port 1-2: ≤ 90 W
Port 3-16: ≤ 30 W
Total: ≤ 240 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
Yes
Link Aggregation
Static link aggregation; LACP
IEEE 802.3x Flow Control
IEEE 802.3X-based flow control (full-duplex)
Multicast
IGMP Snooping
DHCP Function
DHCP client
DHCP-Server
DHCP-SnoopingSecurity
IEEE 802.1x
ACLEquipment Management
WEB(http and https)
SNMP V1/V2C/V3General
Statics Protection
Air discharge: 8 kV;
Contact discharge: 6 kVLighting Protection
Common mode: 4 kV;
Differential mode: 2 kVNet Weight
3.405 kg (7.51 lb)
Gross Weight
4.51 kg (9.94 lb)
Product Dimensions
440 mm × 300 mm × 44 mm (17.32" × 11.81" × 1.73")
Packaging Dimensions
525 mm × 410 mm × 110 mm (20.67" × 16.14" × 4.33")
Certifications
CE, FCC
Transmission Performance:
Switch power supply voltage 53V.
CAT5E/CAT6. Max. DC resistance < 10Ω/100m
Cable(m)
Load Capacity(W)
Bandwidth(Mbps)
IEEE802.3bt 90W
100
71.3
1000
150
62
10
200
51
10
250
40
10
Hi-PoE 60W
100
53
1000
150
50
10
200
47
10
250
37
10
IEEE802.3at 30W
100
25.5
1000
150
25.5
10
200
25.5
10
250
25.5
10
Note: Data from this table was collected by Dahua test lab and is for reference only. The actual transmission distance may vary due to power consumption of connected devices or the cable type and status.
