CS4220-16GT-135
20-Port Cloud Managed Desktop Gigabit Switch with 16-Port PoE
> 16 × RJ-45 Gigabit PoE ports, 2 × RJ-45 Gigabit ports,2 × SFP Gigabit ports.
> 135 W total PoE budget, 802.3af/at on all PoE ports, additional 802.3bt on red port.
> DIP switch to fast turn on/off working mode of Cloud-Managed, PoE Watchdog, Long Distance PoE.
> Wide operating temperature ranging from –10 °C to 55 °C.
> Supports VLAN, STP, RSTP and link aggregation.
> WEB-managed and centralized cloud management through the DoLynk app and performs real-time monitoring of the network.
> Easy config to auto detect and set up network and security systems.
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 1000 Mbps (uplink)Operating Temperature
–10 °C to +55 °C (+14 °F to +131 °F)
Operating Humidity
10%–90% (RH), non-condensing
Storage Temperature
-40 °C to +75 °C (-40 °F to +167 °F)
Storage Humidity
5%–95% (RH), non-condensing
Power Supply
Built-in power supply: 100–240 VAC, 47–63 Hz, max 3 A
Power Consumption
Idling: 7.9 W;
Full load: 145.1 WStatics Protection
Air discharge: 8 kV
Contact discharge: 6 kVLightning Protection
Common mode: 6 kV
Differential mode: 1 kVNet Weight
2.4 kg (5.29 lb)
Gross Weight
3.1 kg (6.83 lb)
Product Dimensions
440 mm × 228.81 mm × 43.65 mm (17.32" × 9.01" × 1.72") (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
CE
PoE
PoE
Yes
PoE Power
Port 3-16≤30 W, port 1-2≤90 W, total≤135 W
PoE Protocol
IEEE 802.3af; IEEE 802.3at; Hi-PoE; IEEE 802.3bt
PoE Power Consumption Management
PoE power consumption management; PoE power on/off; turns off PoE if overload is detected
PoE Pin Assignment
Port 1-2: 1,2,4,5 (V+),3,6,7,8 (V-)
Port 3-16: 1,2, (V+), 3,6, (V-)Long Distance PoE Transmission
Yes
Hardware
DIP Switch
Managed Mode: On by default for both local web and cloud management. Off for Unmanaged Mode.
PoE Watchdog: Monitors ports 1-16 and auto-restarts the PoE port when there is no traffic for 2 min. (Only works when Managed Mode is Off)
Extend Mode: Ports 1-16; transmission distance up to 250 meters at 10 Mbps. (Only works when Managed Mode is Off)
Reset Button
1
Performance
MTBF
1,092,753 hours
Packet Buffer Size
4 Mbit
Jumbo Frame
15360 Byte
MAC Table Size
8K
Communication Standard
IEEE 802.3; IEEE 802.3u; IEEE 802.3x; IEEE 802.3ab; IEEE 802.3z; IEEE 802.3az; IEEE 802.3ad
VLAN Number
32
Feature
Ethernet Loop Protection
STP; RSTP
VLAN Function
IEEE 802.1Q VLAN
Link Aggregation
Static Aggregation
Port Feature
IEEE 802.3x Flow Control
Unknown Unicast Suppression
Multicast Storm Control
Broadcast Storm Control
MAC+Port Binding
Loop PreventionMirror
Local Port Mirroring
N:1 MirroringReliability
LLDP
DHCP Function
DHCP Client
Security
Port Isolation
Equipment Management
Web Management
Cloud Management
Logs
Fault AlarmGeneral
Packing List
1 × User Manual
1 × Legal and Regulatory Information
1 × Power Cord
1 × Rack-mounting KitOrdering Information
Type
Model
Description
SFP module
GSFP-1310T-20-SMF
1.25G 1310/1550nm,20km,LC, Single-mode
GSFP-1310R-20-SMF
1.25G 1550/1310nm,20km,LC, Single-mode
GSFP-1310-20-SMF
1.25G 1310nm,20km,LC, Single-mode
GSFP-850-MMF
1.25G 850nm,550m,LC, Multi-mode
Transmission Performance:
Switch power supply voltage 54V.
CAT6. Max. DC resistance < 8 Ω/100 mCable(m)
Load Capacity(W)
IEEE802.3bt 90 W
100
71.3
150
62
200
51
250
40
Hi-PoE 60 W
100
46
150
42
200
37
250
32
IEEE802.3at 30 W
100
25.5
150
25.5
200
25.5
250
24
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.
