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.

Shipping Notes
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Exchange/Return Notes
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SKU: 19530819820

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ZZmum
Dallas, US
★★★★★ 5
They worked out great!!!
Color: D) 4-Pack 3" Balls (Yellow), Color: D) 4-Pack 3" Balls (Yellow)
So far have been the solution we were looking for! I was extremely tired of the non stop destruction and order of large Chuckit balls for our high energy/high drive dog. For about the same price I bought four 3 inch balls to test out their durability and fit for the thrower. THEY WORK! Perfection! They even make a fun whistling sound as they sail through the air. They do require a tad more muscle in the thrower but that is not a problem. They have already shown to be WAY more durable. The 3 inch balls work in the large chunkit thrower. Super find.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
H
Verified Purchase
HEATHER
Dallas, US
★★★★★ 4
Durable
Color: E) 8-Pack 2.5" Balls (Yellow)
My dogs love them. They are very bouncy, and ideal size, and durable. Great alternative to a tennis ball which in my house only last 30 minutes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
K
Verified Purchase
Kindle Customer
Phoenix, US
★★★★★ 5
Toughest dang balls I ever played with
Color: D) 4-Pack 3" Balls (Yellow), Color: D) 4-Pack 3" Balls (Yellow)
These things are amazing. We have a ball obsessed Husky mix and he has destroyed Kongs, Chuck Its, and a whole lot of other ball shaped objects. These things? We bought the 4 pack because we bought 4 Chuck Its and they lasted a year, all 4 of them only a year, before they were destroyed. A year after buying these? We only bought more because he lost 3 of them. I think we did find one under the dresser after buying this pack... But the others? They either ended up thrown over the fence into the woods or lost in the holes in the yard the monster digs up. Other than a few pockmarks from his teeth and maybe some mud, they may as well be brand new even after a year or two. Probably the most chew resistant thing we've ever bought him. They're really solid rubber and since he hasn't managed to bite into them to take out a chunk, they're safe as hell. Being as big as they are, I don't worry he's gonna choke unattended on them like the usual size of ball. About the only concern is forcing breaks so he can have breathing moments when he manages to talk us into fetch outside. It fits in the larger Chuck It thrower too, so we haven't lost any value from having those torn up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
K
Verified Purchase
Katy Beems
Boise, US
★★★★★ 5
Sturdy bouncy fun!
Color: D) 4-Pack 3" Balls (Yellow), Color: D) 4-Pack 3" Balls (Yellow)
Great product. My big 70lb Sheppard puppy loves it, hasn’t stopped playing with it since it arrived. She throws it about and chases it, had a good chew on it and even put it in her favorite toys bin. Sturdy, firm and very bouncy. And there are 3 more in the bag for an awesome price. Bright color will make it easy to find and holes thru it will prevent choking and I can string it on a line for training play.
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Reviewed in the United States on November 28, 2025
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Rhonda T Hills
Fort Morgan, US
★★★★★ 5
Dogs love these
Color: C) 2-Pack 2.5" Balls (Yellow)
Great quality balls for tough chewers. I love them, but wish the orange ones were available more...I've been checking cuz they are easier to find in the yard than the green that blends in. Our dogs love them and I like the weight for throwing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026

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