Dahua 28DH-PFS4218-16ET-190-V3 16/24-Port Managed Desktop PoE Switch

Performance

Layer

Layer 2

Managed

Yes

Switching Capacity

8.8 Gbps

Packet Forwarding Rate

5.36 Mpps

Packet Buffer Memory

2.75 Mbit

MAC Table Size

4K

Communication Standard

IEEE802.3; IEEE802.3u; IEEE802.3x; IEEE 802.3ab;

IEEE 802.3z

Hardware Feature

Standard Power Supply

Yes

PoE

Yes

Ethernet Port

16

Optical Port

2

Ethernet Port Rate

100 Mbps

Optical Port Rate

1 Gbps

Number of Bussiness Card Slots

Port 1-16: 16 × RJ-45 10 M/100 M (PoE)
Port 17-18: 2 × RJ-45 10 M/100 M/1000 M (uplink)
Port 17-18: 2 × SFP 1000 M (uplink) (combo)

Debugging

Console × 1

Power Supply

100V–240V AC

Operating Temperature

–10 °C to +55 ° (14 °F to 131 °F)

Operating Humidity

10% RH–90% RH

Power Consumption

Idling: 10W
Full load: 190W

PoE

PoE Standard

IEEE802.3af/ IEEE802.3at/ Hi-PoE/IEEE802.3bt

PoE Budget

Port 1-2 ≤ 90W, Port 3-16≤ 30W, total ≤ 190W

PoE Pin Assignment

1, 2, 4, 5 (V+), 3, 6, 7, 8 (V-)

PoE Management

Power consumption management
Power on and power off
Power down for overload
Green PoE
Legacy support

Long Distance PoE Transmission

250 m long-distance power supply

Function

Spanning Tree Protocol

IEEE 802.1d (STP); 802.1w (RSTP)

VLAN

IEEE802.1q Standard VLAN

Flow Control

Support IEEE 802.3x (full duplex flow control) and back pressure flow control (half duplex)

Link Aggregation

Static; LACP

Port Mirroring

One-to-one; multiple-to-one

Multicast

GMP snooping based on port

DHCP

DHCP client

Security

Hardware supports IP and MAC binding based on port, MAC filtering based on port, and IEEE802.1x port authentication

QoS

High and low priority
WRR
802.1P
DSCP
Priority based on protocol

General

ESD

Air discharge: 8kV
Contact discharge: 6kV

Thunder-proof

Common mode: 4kV
Differential mode: 2kV

Dimensions

440 mm × 300 mm × 44 mm (17.32" × 11.81" × 1.73") (L × W × H)

Packaging Dimensions

Packing box: 528 mm × 412 mm × 112 mm (20.79" × 16.22" × 4.41") (L × W × H)
Protective box: 584 mm × 549 mm × 446 mm (22.99" × 21.61" × 17.56") (L × W × H)

Transmission Performance:

Switch power supply voltage 53V.

CAT5E/CAT6. Max. DC resistance < 10 Ω/100 m

Cable(m)

Load Capacity(W)

Bandwidth(Mbps)

IEEE802.3bt 90 W

100

71.3

100

150

62

10

200

51

10

250

40

10

Hi-PoE 60 W

100

53

100

150

50

10

200

47

10

250

37

10

IEEE802.3at 30 W

100

25.5

100

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.