SKU: 19530819820

DAHUA PFS4420-16GT-DP 20-port Gigabit Industrial Switch with 16-port PoE (Managed)

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Description

DAHUA PFS4420-16GT-DP 20-port Gigabit Industrial Switch with 16-port PoE (Managed)PFS4420 16GT DP * The parameters and datasheets below can only be applied to V2. 0 (version 2. 0) > All gigabit port design. > Supports IEEE802. 3af, IEEE802. 3at, Hi PoE and IEEE802. 3bt (red port) standards. > 250 m long distance PoE transmission (10 Mbps). > PoE Watchdog. > Supports STP, RSTP, and MSTP. > IEEE802. 1Q based VLAN configuration. > Manual link aggregation and static LACP. > Desktop mount and DIN rail mount. Product Data Hardware

PFS4420-16GT-DP

* The parameters and datasheets below can only be applied to V2.0 (version 2.0)

> All-gigabit port design.

> Supports IEEE802.3af, IEEE802.3at, Hi-PoE and IEEE802.3bt (red port) standards.

> 250 m long-distance PoE transmission (10 Mbps).

> PoE Watchdog.

> Supports STP, RSTP, and MSTP.

> IEEE802.1Q-based VLAN configuration.

> Manual link aggregation and static LACP.

> Desktop mount and DIN-rail mount.



Product Data

Hardware

Included Power Adapter

No

PoE

Yes

Ethernet Port

16

Optical Port

4

Ethernet Port Speed

10 Mbps/100 Mbps/1000 Mbps

Optical Port Speed

1000 Mbps

Console Port

1

Power Supply Mode

48 V–57 V DC

Operating Temperature

–40 °C to +75 °C (–40 °F to +167 °F)

Operating Humidity

5%–95% (non-condensing)

Power Consumption

Idling: ≤ 15 W
Full load: 240 W

Performance

Layer

L2

Managed

Yes

Switching Capacity

54 Gbps

Packet Forwarding Rate

28.28 Mpps

Packet Buffer Size

4 Mbits

Communication Standard

IEEE 802.3; IEEE 802.3u; IEEE 802.3x; IEEE 802.3ab; IEEE 802.3z; IEEE 802.3ad

MAC Table Size

8K

Function

PoE Protocol

IEEE 802.3af (PoE); IEEE 802.3at (PoE+); Hi-PoE; IEEE 802.3bt

PoE Power

Port 1-2: ≤ 90 W
Port 3-16: ≤ 30 W
Total: ≤ 240 W

PoE Power Consumption Management

Power consumption management
PoE power on and off
Power off when PoE power is overloaded
Green PoE

PoE Pin Assignment

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

Long Distance PoE Transmission

Yes

Jumbo Frame

9,000 bytes

Spanning Tree Protocol

ERPS

VLAN Function

802.1Q

Flow Control

IEEE 802.3X-based flow control

Link Aggregation

Static link aggregation; LACP

Port Mirroring

Multiple-to-one port mirroring

Multicast

Yes

DHCP Function

DHCP client

Security

IEEE 802.1x-based port authentication
Port-based MAC address binding

QoS

Priority, WRR
802.1P, DSCP

Maintenance

One-click restore to default settings
Uploading/downloading configuration files
Software upgrade
System logs

Device Management

Web; SSH; SNMP

General

Statics Protection

Air discharge: 15 kV
Contact discharge: 8 kV

Lighting Protection

Common mode: 6 kV
Differential mode: 4 kV

Net Weight

1.35 kg (2.98 lb)

Gross Weight

1.75 kg (3.9 lb)

Product Dimensions

125.4 mm × 75.0 mm × 175.0 mm (4.9" × 3.0" × 6.9 ") (L × W × H)

Packing Dimensions

325 mm × 190 mm × 125 mm (12.8" × 7.5" × 4.9") (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.

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SKU: 19530819820

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Ellen F.
Cuba, US
★★★★★ 5
Good review
Format: Paperback
This workbook touches on many important skills that are taught in 3rd grade. It’s a great workbook that can be used by parents or someone who is doing summer tutoring.
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Reviewed in the United States on February 10, 2026
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S.Thomas
Lowell, US
★★★★★ 4
Great summer workbook
Format: Paperback
This book is a great tool to use over summer break to prevent loss of learning. I have been using this book with my 2nd grader for a few weeks and he enjoys the short lessons. I would prefer the lessons have a few more questions to cover each lesson.
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Reviewed in the United States on June 26, 2025
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Torikul islam
Pawtucket, US
★★★★★ 5
So much to learn
Great workbook for kids
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Reviewed in the United States on May 7, 2026
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Elizabeth Whiting
Los Angeles, US
★★★★★ 5
Great way to support summer learning!
Format: Paperback
I absolutely love the Summer Bridge Activities: Bridging Grades 3–4! This workbook is a fantastic way to keep kids engaged and learning over the summer break. The activities are well-designed, fun, and educational, providing the perfect balance between reinforcing what they’ve already learned and getting them excited for the next school year. The layout is visually appealing, with colorful pages and interactive exercises that make learning feel like play. What I appreciate most is how it covers key subjects like math, reading, writing, and critical thinking skills in bite-sized chunks that kids can easily manage. My child enjoyed doing a little bit each day, and I noticed significant improvement in their confidence as they completed each activity. It's great that this workbook also includes helpful tips for parents to guide their kids through the exercises. Overall, this is a must-have resource for parents looking to keep their children sharp and engaged during the summer while still having fun. Highly recommend!
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Reviewed in the United States on March 21, 2025
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Dawn
West Palm Beach, US
★★★★★ 5
Great for growing minds!
I love these workbooks! We used to buy these at a local store until it closed. They help kids retain what they learned in school over the summer. The worksheet usually takes 5-10 minutes a day.
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Reviewed in the United States on April 26, 2026

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