SKU: 27579169427

DAHUA PFS4212-8GT-110 12-Port Managed Desktop Gigabit Switch with 8-Port PoE

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Description

DAHUA PFS4212-8GT-110 12-Port Managed Desktop Gigabit Switch with 8-Port PoEPFS4212 8GT 110 12 Port Managed Desktop Gigabit Switch with 8 Port PoE > 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 wall mount Product Data Hardware PoE Yes Ethernet Port 10 Optical Port 2

PFS4212-8GT-110

12-Port Managed Desktop Gigabit Switch with 8-Port PoE

> 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 wall mount



Product Data

Hardware

PoE

Yes

Ethernet Port

10

Optical Port

2

Ethernet Port Speed

10 Mbps/100 Mbps/1000 Mbps

Optical Port Speed

1000 Mbps

Ethernet Port

Port 1-8: 8 x 10/100/1000 Base-T (PoE)

Port 9-10: 2 x 10/100/1000 Base-T

Port 11-12: 2 x 1000 Base-X

Power Supply Mode

48 V–57 VDC

Operating Temperature

–10 °C to +55 °C (+14 °F to +131 °F)

Operating Humidity

5%–95% (RH)

Power Consumption

12 W

Performance

Layer

L2

Managed

Yes

Switching Capacity

52 Gbps

Packet Forwarding Rate

17.856 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; IEEE 802.1d; IEEE 802.1p; IEEE 802.1q; IEEE 802.1s; IEEE 802.1w; IEEE 802.1x

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 3-8: ≤30 W
Total: ≤110 W

PoE Pin Assignment

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

Long Distance PoE Transmission

Yes

Jumbo Frame

9,000 bytes

VLAN Function

Yes

Flow Control

Half-duplex based on back pressure type control
Full duplex based on PAUSE frame

Link Aggregation

Static link aggregation; LACP

Port Mirroring

Multiple-to-one port mirroring

Multicast

Yes

DHCP Function

DHCP client
DHCP-Server

Security

Users management
HTTPS
SSH
Hardware supports MAC binding based on port
802.1x
Loop protection

QoS

QoS base on CoS/DPL/PCP/DEI
8 output queues for each port
Port shaping
Port tag remarking
QoS base on DSCP

Maintenance

One-click restore to default settings
Uploading/downloading configuration files
Updated packet upload
System logs

Device Management

Web (HTTP and HTTPS protocol); SNMP V1/V2C/V3; CLI

General

Statics Protection

Air discharge: 8 kV
Contact discharge: 6 kV

Lighting Protection

Common mode: 2 kV
Differential mode: 1 kV

Net Weight

0.84 kg (1.85 lb)

Gross Weight

1.75 kg (3.86 lb)

Product Dimensions

220 mm × 135 mm × 30 mm (8.67" × 5.31" × 1.18") (L × W × H)

Packing Dimensions

290 mm × 196 mm × 91 mm (11.42" × 7.72" × 3.58") (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: 27579169427

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4.8 ★★★★★
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A
Verified Purchase
AutoHead
Battle Creek, US
★★★★★ 4
Very good ... but beware.
Size: 64 Fl Oz (Pack of 1), Style: 64 oz Ready To Use
First of all I just want to point out all of the reviews from people who claim that the bottle arrived damaged or open and in some cases ruined the other products shipped in the same box. Amazon will not issue a refund for that, which is absurd. My bottle arrived in good shape although the top was loose - not a big deal. The formula itself I find to be the best out there. I used to buy Pennington, which until this year was a deep red, now it is a light orange. The hummers will not stomach it. This product is better than the older version of the other brand. Taking one star off for all of those people who got a damaged bottle that would not be refunded.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
N
Verified Purchase
NS
Lexington, US
★★★★★ 5
Quickly accepted by our local hummingbirds.
Size: 64 Fl Oz (Pack of 1), Style: 64 oz Ready To Use
I used this in a red hanging hummingbird feeder on a second-floor shaded balcony. The feeder had only been up a short time, and the nectar was accepted quickly. I observed hummingbirds visiting, perching, and drinking from the active lower tiers, so the product clearly did not discourage feeding. What I like most is the convenience. It is ready to pour, clear, and does not require mixing sugar and water. I also appreciate that it is not dyed red. The feeder itself provides enough red visual attraction, so colored liquid is not necessary. For a small balcony feeder, I only needed to fill the reservoirs about halfway, which helped keep the nectar fresh and reduced waste. A few practical notes: I still treat this like any hummingbird nectar and replace it regularly rather than letting it sit for many days. Even in shaded, mild weather, I would rather keep the feeder clean and fresh. The bottle should also be stored properly after opening. Overall, this is a good option if you want a simple ready-to-use nectar without mixing your own. Homemade sugar water is cheaper, but this is convenient, clean-looking, and in my case the hummingbirds used it. I would recommend it for someone who wants an easy pour-and-fill option, especially for a smaller feeder or balcony setup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
J
Verified Purchase
Jen and Kelly Roaming with the Allens
Waukegan, US
★★★★★ 5
Hummingbirds love it… ants do too 🐦🐜
Size: 64 Fl Oz (Pack of 1), Style: 64 oz Ready To Use
This nectar definitely does what it’s supposed to do — the hummingbirds found it fast and keep coming back, which is exactly what I wanted. It’s easy to use and convenient compared to mixing your own. The only downside is that ants seem to love it just as much as the birds. If you’re using this, I’d definitely recommend pairing it with an ant moat or being mindful of where you hang your feeder. Overall, it works great and brings in plenty of hummingbirds — just be prepared to outsmart a few tiny freeloaders along the way.
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Reviewed in the United States on April 29, 2026
L
Verified Purchase
L. Secrist
Grantham, US
★★★★★ 5
Loved by the birds
Size: 64 Fl Oz (Pack of 1), Style: 64 oz Ready To Use
Easy to pour and the birds love it. I keep ordering this per the hummingbird's instructions!
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Reviewed in the United States on May 12, 2026
M
Verified Purchase
mari
Fort Morgan, US
★★★★★ 5
Soft, Luxurious & Perfect for Hair and Skin!
Size: Queen (20" X 30"), Color: 11 - Light Turquoise, Number of Items: 2, Size: Queen (20" X 30"), Color: 11 - Light Turquoise, Number of Items: 2
These satin pillowcases are honestly amazing. The material feels super soft, smooth, and cooling on the skin, and they make my bed look so elegant and luxurious. I bought them mainly to help protect my hair from frizz and dryness, They’re also very comfortable to sleep on and don’t feel cheap at all. The color is beautiful in person, exactly like the photos on Amazon. I washed them already and they still kept their softness and shine. Definitely worth the purchase for the price I would 100% buy again and recommend to anyone looking for cute, comfortable satin pillowcases.”
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Reviewed in the United States on May 13, 2026

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