Dahua CS4220-16GT-190 20-Port Cloud Managed Desktop Gigabit Switch with 16-Port POE
20-Port Cloud-Managed Desktop Gigabit Switch with 16-Port PoE
Key Features
-
16 × Gigabit PoE RJ-45 ports, 2 × Gigabit RJ-45 uplink ports, 2 × Gigabit SFP uplink ports
-
190 W total PoE budget
-
IEEE 802.3af/at on all PoE ports
-
Additional IEEE 802.3bt / Hi-PoE support on red ports
-
-
DIP switch for quick enable/disable of:
-
Cloud-Managed Mode
-
PoE Watchdog
-
Long Distance PoE
-
-
Wide operating temperature: –10 °C to +55 °C
-
Supports VLAN, STP, RSTP, and Link Aggregation
-
Web-managed and centralized cloud management via DoLynk App
-
Real-time network monitoring
-
Plug-and-play auto detection and easy system setup
- Datasheet
Basic Specifications
| Item | Specification |
|---|---|
| Switching Layer | Layer 2 |
| Switching Capacity | 40 Gbps |
| Packet Forwarding Rate | 29.76 Mpps |
Port Configuration
| Port | Description |
|---|---|
| Ports 1–16 | 16 × RJ-45 10/100/1000 Mbps (PoE) |
| Ports 17–18 | 2 × RJ-45 10/100/1000 Mbps (Uplink) |
| Ports 19–20 | 2 × SFP 1000 Mbps (Uplink) |
Environmental
| Item | Specification |
|---|---|
| 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
| Item | Specification |
|---|---|
| Power Supply | Built-in, 100–240 VAC, 47–63 Hz |
| Max Input Current | 4 A |
| Power Consumption | Idle: 10.6 W / Full Load: 202.8 W |
Protection
| Item | Rating |
|---|---|
| ESD Protection | Air: 8 kV / Contact: 6 kV |
| Lightning Protection | Common Mode: 6 kV / Differential Mode: 1 kV |
Physical
| Item | Specification |
|---|---|
| Net Weight | 2.5 kg (5.51 lb) |
| Gross Weight | 3.2 kg (7.05 lb) |
| Product Dimensions | 440 × 228.81 × 43.65 mm |
| Packaging Dimensions | 540 × 342 × 90 mm |
| Casing Material | Sheet metal |
| Installation | Desktop mount / Rack mount |
Certifications
-
CE
PoE Specifications
| Item | Specification |
|---|---|
| PoE Support | Yes |
| PoE Budget | Total ≤ 190 W |
| Per-Port Output | Ports 1–2 ≤ 90 W; Ports 3–16 ≤ 30 W |
| PoE Protocols | IEEE 802.3af / 802.3at / IEEE 802.3bt / Hi-PoE |
| PoE Management | Power on/off, overload protection |
| Long Distance PoE | Yes (up to 250 m @ 10 Mbps) |
PoE Pin Assignment
-
Ports 1–2:
-
1,2,4,5 (V+) / 3,6,7,8 (V−)
-
-
Ports 3–16:
-
1,2 (V+) / 3,6 (V−)
-
Hardware
DIP Switch Functions
-
Managed Mode
-
ON (default): Local web + cloud management
-
OFF: Unmanaged mode
-
-
PoE Watchdog
-
Monitors ports 1–16
-
Auto-restarts PoE after 2 minutes of no traffic
-
Only works when Managed Mode is OFF
-
-
Extend Mode
-
Ports 1–16 up to 250 m @ 10 Mbps
-
Only works when Managed Mode is OFF
-
| Item | Specification |
|---|---|
| Reset Button | 1 |
Performance
| Item | Specification |
|---|---|
| MTBF | 1,092,753 hours |
| Packet Buffer | 4 Mbit |
| Jumbo Frame | 15,360 Bytes |
| MAC Address Table | 8K |
Network Features
| Feature | Support |
|---|---|
| Communication Standards | IEEE 802.3 / 802.3u / 802.3x / 802.3ab / 802.3z / 802.3az / 802.3ad |
| VLAN | IEEE 802.1Q, up to 32 VLANs |
| Loop Protection | STP, RSTP |
| Link Aggregation | Static Aggregation |
| Port Control | Flow Control, Storm Control, MAC+Port Binding |
| Port Mirroring | Local / N:1 |
| LLDP | Supported |
| DHCP | DHCP Client |
| Security | Port Isolation |
Management
-
Web Management
-
Cloud Management
-
Logs
-
Fault Alarms
Package Contents
-
1 × User Manual
-
1 × Legal & Regulatory Information
-
1 × Power Cord
-
1 × Rack-Mounting Kit
Optional SFP Modules
| Model | Description |
|---|---|
| GSFP-1310T-20-SMF | 1.25G, 1310/1550 nm, 20 km, LC, Single-mode |
| GSFP-1310R-20-SMF | 1.25G, 1550/1310 nm, 20 km, LC, Single-mode |
| GSFP-1310-20-SMF | 1.25G, 1310 nm, 20 km, LC, Single-mode |
| GSFP-850-MMF | 1.25G, 850 nm, 550 m, LC, Multi-mode |
PoE Transmission Performance
Switch power supply: 54 V | Cable: CAT6, DC resistance < 8 Ω / 100 m
IEEE 802.3bt (90 W)
| Distance (m) | Load Capacity (W) |
|---|---|
| 100 | 71.3 |
| 150 | 62 |
| 200 | 51 |
| 250 | 40 |
Hi-PoE (60 W)
| Distance (m) | Load Capacity (W) |
|---|---|
| 100 | 46 |
| 150 | 42 |
| 200 | 37 |
| 250 | 32 |
IEEE 802.3at (30 W)
| Distance (m) | Load Capacity (W) |
|---|---|
| 100 | 25.5 |
| 150 | 25.5 |
| 200 | 25.5 |
| 250 | 24 |
Warranty: 3 Year Dahua ANZ Manufacturer Warranty
Warranty Information
LIMITED WARRANTIES
Limited Warranties are non-transferable. The following Limited Warranties are given to the original retail purchaser of the following Ashley Furniture Industries, Inc.Products:
Frames Used In Upholstered and Leather Products
Limited Lifetime Warranty
A Limited Lifetime Warranty applies to all frames used in sofas, couches, love seats, upholstered chairs, ottomans, sectionals, and sleepers. Ashley Furniture Industries,Inc. warrants these components to you, the original retail purchaser, to be free from material manufacturing defects.
Purchasing & Delivery
Before you make your purchase, it’s helpful to know the measurements of the area you plan to place the furniture. You should also measure any doorways and hallways through which the furniture will pass to get to its final destination.Picking up at the store
Shopify Shop requires that all products are properly inspected BEFORE you take it home to insure there are no surprises. Our team is happy to open all packages and will assist in the inspection process. We will then reseal packages for safe transport. We encourage all customers to bring furniture pads or blankets to protect the items during transport as well as rope or tie downs. Shopify Shop will not be responsible for damage that occurs after leaving the store or during transit. It is the purchaser’s responsibility to make sure the correct items are picked up and in good condition.Delivery
Customers are able to pick the next available delivery day that best fits their schedule. However, to route stops as efficiently as possible, Shopify Shop will provide the time frame. Customers will not be able to choose a time. You will be notified in advance of your scheduled time frame. Please make sure that a responsible adult (18 years or older) will be home at that time.In preparation for your delivery, please remove existing furniture, pictures, mirrors, accessories, etc. to prevent damages. Also insure that the area where you would like your furniture placed is clear of any old furniture and any other items that may obstruct the passageway of the delivery team. Shopify Shop will deliver, assemble, and set-up your new furniture purchase and remove all packing materials from your home. Our delivery crews are not permitted to move your existing furniture or other household items. Delivery personnel will attempt to deliver the purchased items in a safe and controlled manner but will not attempt to place furniture if they feel it will result in damage to the product or your home. Delivery personnel are unable to remove doors, hoist furniture or carry furniture up more than 3 flights of stairs. An elevator must be available for deliveries to the 4th floor and above.
Purchasing & Delivery
Before you make your purchase, it’s helpful to know the measurements of the area you plan to place the furniture. You should also measure any doorways and hallways through which the furniture will pass to get to its final destination.Picking up at the store
Shopify Shop requires that all products are properly inspected BEFORE you take it home to insure there are no surprises. Our team is happy to open all packages and will assist in the inspection process. We will then reseal packages for safe transport. We encourage all customers to bring furniture pads or blankets to protect the items during transport as well as rope or tie downs. Shopify Shop will not be responsible for damage that occurs after leaving the store or during transit. It is the purchaser’s responsibility to make sure the correct items are picked up and in good condition.Delivery
Customers are able to pick the next available delivery day that best fits their schedule. However, to route stops as efficiently as possible, Shopify Shop will provide the time frame. Customers will not be able to choose a time. You will be notified in advance of your scheduled time frame. Please make sure that a responsible adult (18 years or older) will be home at that time.In preparation for your delivery, please remove existing furniture, pictures, mirrors, accessories, etc. to prevent damages. Also insure that the area where you would like your furniture placed is clear of any old furniture and any other items that may obstruct the passageway of the delivery team. Shopify Shop will deliver, assemble, and set-up your new furniture purchase and remove all packing materials from your home. Our delivery crews are not permitted to move your existing furniture or other household items. Delivery personnel will attempt to deliver the purchased items in a safe and controlled manner but will not attempt to place furniture if they feel it will result in damage to the product or your home. Delivery personnel are unable to remove doors, hoist furniture or carry furniture up more than 3 flights of stairs. An elevator must be available for deliveries to the 4th floor and above.
