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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
Industrial 8-Ch Ethernet Digital Input / Output Module Modbus RTU / TCP Protocol, Supports PoE Power Supply, 339171. Onboard voltage regulation chip, supporting a wide voltage range from 7V to 36V, and supporting PoE Ethernet power supply 2. Supports control via MQTT protocol, providing Alibaba Cloud MQTT application routines 3. Onboard integrated power isolation, capable of providing stable isolated voltage, and the isolated end does not require additional power supply 4. Input features bidirectional optocoupler isolation, supporting passive and active switch
1. Onboard voltage regulation chip, supporting a wide voltage range from 7V to 36V, and supporting PoE Ethernet power supply
2. Supports control via MQTT protocol, providing Alibaba Cloud MQTT application routines
3. Onboard integrated power isolation, capable of providing stable isolated voltage, and the isolated end does not require additional power supply
4. Input features bidirectional optocoupler isolation, supporting passive and active switch input, built-in anti-jitter algorithm, relays support switch input linkage mode or inversion mode control
5. Output uses Darlington, with optocoupler isolation, stronger driving capability, with a driving current of up to 500mA, and built-in reverse current diode protection
6. Output has flash-on and flash-off functions, can be set with parameters in the instruction, automatically turns off after a certain period of time after the output is turned on
7. Rail-mounted enclosure design, convenient installation, safer to use
8. External indicator light, convenient for checking input/output status, MCU status and signal transmission/reception status
9. Size: about 14.5 x 9 x 4 cm
Packaging list:
- Modbus POE ETH IO 8CH host unit x 1
- Screwdriver x 1
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.4 ★★★★★
Based on 698 reviews
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Product Reviews
★★★★★ 5
Last pair lasted 6 years - Round 2!
Color: Black Leather/Black, Size: 9.5, Color: Black Leather/Black, Size: 9.5
Last pair lasted 6 years. Super comfortable and perfect for work business attire. Went on walking breaks every day - feels like you’re wearing a good pair of walking shoes.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Comfort with Style
Color: British Tan/Java, Size: 11
Very comfortable. Fits well. Very nice design.
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Reviewed in the United States on April 14, 2026
★★★★★ 4
Good, but you sacrifice a few things in favor of style
Color: Black Leather/Black, Size: 10, Color: Black Leather/Black, Size: 10
It’s much better than other shoes out there, but the design is slightly confusing. The first thing you have to know is that the shoe won’t be mind blowingly soft, but it is around as comfortable as standing on something like vans shoes. The holes on top are both a plus and a minus, when you step in a puddle, your feet get instantly soaked, but just by walking around for a bit, they dry up again. Then these holes reduce the structural integrity of the shoe, so I expect the top to be the first part of the shoe that deteriorates, when usually for all my other shoes, it’s the sole that falls off first. With the holes, you can’t shine them the traditional way, you have to be more careful as you might get goo into the inside fiber. Finally you can’t run in these, they’re larger than your foot which is quite comfortable while just standing or walking, but I’m sure they’ll tear if you don’t watch your footing. If all that is okay with you, You’ll get quite a few compliments on it as you walk around, because these are beautiful and excellent as a dress shoe/loafer hybrid
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Reviewed in the United States on September 11, 2025
★★★★★ 5
Great gift for any guy!
Color: Black Leather/Black, Size: 12
These are one of 2 pairs of work shoes my husband will wear, the other one is the same shoe in brown. He says they’re the comfiest pair of dress shoes he’s ever had and the quality and ease of cleaning is incredible. They’ve lasted him years now so I’d say they’re well worth the money.
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Fit like a glove
Color: Black Leather/Black, Size: 12
I saw somebody wearing these a couple years ago, and I've been looking for him for a while. I really like them.They're very comfortable
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Reviewed in the United States on April 30, 2026