CS4218-16ET-135-V2 18 Port Cloud Managed PoE Switch 135W with 16 PoE Ports and Gigabit Uplink - Dahua
CS4218-16ET-135-V2 is a professional 18-channel PoE switch designed for video surveillance networks and advanced IT infrastructures, featuring 16 10/100 Mbps PoE ports and 2 Gigabit combo ports for flexible uplinks. It offers a total PoE power of 135 W , with IEEE 802.3af/at support on all ports and up to 90 W on the red ports for high-power devices. Cloud Managed management via DoLynk platform , together with functions such as PoE Watchdog, Long Distance PoE up to 250 m and VLAN , ensures centralized control and operational reliability. The full metal design, surge protection up to 6 kV and operation from -10 °C to +55 °C make it ideal for professional and industrial environments.
CS4218-16ET-135-V2 | 18 PORT CLOUD MANAGED NETWORK SWITCH WITH 16 POE PORTS - DAHUA

The Dahua CS4218-16ET-135-V2 is a professional 18-channel PoE switch designed for video surveillance networks and advanced IT infrastructures, ideal for business and industrial environments. It has 16 10/100 Mbps PoE ports and 2 Gigabit combo ports , offering a total PoE power of 135 W with IEEE 802.3af/at support and up to 90 W on the red ports (802.3bt/Hi-PoE) for high-power devices. Cloud Managed management via DoLynk platform allows centralized monitoring, quick configuration and real-time remote control. Advanced features such as PoE Watchdog , Long Distance PoE up to 250 m , VLAN and loop protection ensure reliability, stability and reduced maintenance costs. The rugged metal chassis , surge protection up to 6 kV and operation from -10 °C to +55 °C make it a solid and durable solution for professional installations.
Main specifications:
- 18 total channels with 16 PoE ports and 2 Gigabit combo ports
- Total PoE power 135W
- Support IEEE 802.3af / 802.3at / 802.3bt / Hi-PoE
- High power red ports up to 90W
- Cloud Management with DoLynk platform
- PoE Watchdog and Long Distance PoE up to 250 m
- VLAN, Loop Protection and Network Topology Management
- Metal structure with 6 kV protection and range -10 °C / +55 °C
Further details

Technical data sheet
| PRODUCT | CS4218-16ET-135-V2 |
| Basic | |
| Layer | Layer 2 |
| Switching Capacity | 7.2 Gbps |
| Packet Forwarding Rate | 5.36 Mpps |
| Description of Function Slots | Port 1-16: 16 × RJ45 10/100 Mbps(PoE) Port 17-18: 2 × RJ45 10/100/1000 Mbps(Combo) Port 17-18: 2 × SFP 1000Mbps(Combo) |
| Operating Temperature | –10 °C to +55 °C (+14 °F to +131 °F) |
| Operating Humidity | 10%–90% (RH), non-condensing |
| Storage Temperature | –10 °C to +55 °C (+14 °F to +131 °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: 3 W Full load: 141.8 W |
| Statics Protection | Air discharge: 8 kV; Contact discharge: 6 kV |
| Lighting Protection | Common mode: 6 kV; Differential mode: 1 kV |
| Net 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 ( × 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 | THERE IS |
| PoE | |
| PoE | Yes |
| PoE Power | Port 3-16≤30W, port 1-2≤90W, total≤135W |
| 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 | 1626836 h |
| Packet Buffer Size | 4 Mbit |
| Jumbo Frame | 9216 Bytes |
| MAC Table Size | 8K |
| Communication Standard | IEEE 802.3, IEEE 802.3u, IEEE 802.3X, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3az |
| VLAN Number | 32 |
| Feature | |
| VLAN Function | IEEE 802.1Q VLAN |
| Port Feature | IEEE 802.3x Flow Control Unknown Unicast Suppression Multicast Storm Control Broadcast Storm Control MAC+Port Binding Loop Prevention |
| Mirror | Local Port Mirroring N:1 Mirroring |
| Reliability | LLDP |
| Security | Port Isolation |
| Equipment Management | Web Management Cloud Management Logs Fault Alarm |
| General | |
| Packing List | 1 × User Manual 1 × Legal and Regulatory Information 1 × Power Cord 1 × Rack-mounting Kit |


