SKU: 20209785171

DAHUA PFS3211-8GT 11-Port Gigabit Switch (Unmanaged)

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Description

DAHUA PFS3211-8GT 11-Port Gigabit Switch (Unmanaged)PFS3211 8GT 11 Port Gigabit Switch (Unmanaged) > Layer 2 Hardened Ethernet switch > MAC auto study and aging, MAC address list capacity is 4K > Conform IEEE802. 3, IEEE802. 3u, IEEE802. 3ab z and IEEE802. 3X standards > Adopts metal structure > Industrial wide working temperature design: 30C~+65C > High protection grade, supports common mode 4KV, differential mode 2KV > Supports dual power backup Product Data Technical Specication Model DH PFS3211 8GT

PFS3211-8GT

11-Port Gigabit Switch (Unmanaged)

> Layer 2 Hardened Ethernet switch
> MAC auto study and aging, MAC address list capacity is 4K
> Conform IEEE802.3, IEEE802.3u, IEEE802.3ab/z and IEEE802.3X standards
> Adopts metal structure
> Industrial wide working temperature design: -30°C~+65°C
> High protection grade, supports common mode 4KV, differential mode 2KV
> Supports dual power backup



Product Data

Technical Specification

Model

DH-PFS3211-8GT

Ethernet Port

9*10/100/1000 Mbps Base-T

2*1000Mbps Base-X

Switching Capacity

33Gbps

Packet Forwarding Rate

16.37Mpps

Packet Buffer Memory

1.75Mb

MAC Table Size

4K

Flow Control

Enable by default

Application Humidity

10%~90%

Power

DC9~57V

Lightning Protection

Common Mode 4KV

Differential Mode 2KV

ESD

Contact discharge: ±6kV

Air discharge: ±8kV

Working Temperature

-30°C~65°C

Weight

0.62kg

Dimension(W×D×H)

150mm×110mm×42mm

Accessories

Model

PFT3950

1.25G 850nm,500m,LC, Multi-mode

PFT3960

1.25G 1310/1550nm,20km,LC, Single-mode

PFT3970

1.25G 1550/1310nm,20km,LC, Single-mode


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SKU: 20209785171

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4.5 ★★★★★
Based on 25 reviews
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Product Reviews
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CG
Belleville, US
★★★★★ 5
One of the most original and moving books of poems I've ever read
Format: Paperback
Ilya Kaminsky is practically a legend, at this point, and deservedly so. This is his second book of poems, and proves well worth the wait. The individual poems are beautiful and strange; together, they comprise a kind of allegory for our times, and manage to be both somehow light-of-heart, somehow luminous, and also seriously profound. I would recommend this book even to those who don't usually read poetry, because it's beyond poetry, truly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 26, 2019
K
Verified Purchase
khaidon
Birmingham, US
★★★★★ 5
Beautifully written and good quality book
Format: Paperback, Format: Paperback
I received the book earlier than the estimated date. I love this poem collection of Ilya Kaminsky. Although it describes the social unrest in an unknown place (and unfamiliar to me), his poems are beautifully written with strong images and music. THe paper quality and the book are so new and lovely. I couldn't think that it is used (as it stated).
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Reviewed in the United States on March 4, 2021
C
Verified Purchase
Cecile L. Schubert
Lowell, US
★★★★★ 4
Life: A challenge in many ways in all cultures
Format: Kindle
I heard Ilya Kaminsky read his poems at Chautauqua this past summer. Over powering and dynamic to hear his voice speak his words... about his life experiences need to be remembered. A must read and if possible with the audio.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 25, 2019
M
Verified Purchase
Mike Stone
Lowell, US
★★★★★ 5
A brilliant poetic narrative whose lines leap off the pages which turn themselves.
Format: Paperback
When you get to the end, you wonder how Kaminsky worked his wondrous magic, how it's possible to think and write poetry like that. The poem is a story about Vasenka, a mythical town somewhere in the Ukraine, occupied by the Soviet army during an unspecified period of time. It is an allegory of the cruelty of occupation, the futility of the resistance of a few, and the deafness of the silent majority, a deafness that courageously resists the occupation and a deafness that hardens the heart and ignores the evil surrounding them. It could have happened anywhere anytime. The occupiers could have been Nazis, Ottoman Turks, American, English, or Spanish. The poetry is piercingly sharp, visionary, breathless and the metaphors are the likes of which you've never heard before, lines like “the sound we do not hear lifts the gulls off the water,” “Our hearing doesn't weaken, but something silent in us strengthens,” or “In these avenues, deafness is our only barricade.” This is drop-dead beautiful poetry.
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Reviewed in the United States on March 22, 2019
A
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ARTHUR KLEIN
Charlottesville, US
★★★★★ 5
Haunting Humanity lurks in war’s reactions.
Format: Kindle
The poem moves efficiently through the myriad experiences that result from deadly conflict with a nameless and menacing enemy. I kept thinking I was reading a rendering of Kafka with the haunting glimpses of the horror of permanent victim hood. Now I must study the Deaf Republic and hope for understanding.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 6, 2025

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