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Home > Products > Industrial Ethernet Switch > Industrial Gigabit Ethernet Switch > Industrial-grade 1Fiber 2RJ45 Gigabit Ethernet Switch

Industrial-grade 1Fiber 2RJ45 Gigabit Ethernet Switch
Industrial-grade 1Fiber 2RJ45 Gigabit Ethernet Switch
Industrial-grade 1Fiber 2RJ45 Gigabit Ethernet Switch
Industrial-grade 1Fiber 2RJ45 Gigabit Ethernet Switch

Industrial-grade 1Fiber 2RJ45 Gigabit Ethernet Switch

Payment Type: L/C,T/T,Paypal,Western Union
Incoterm: FOB,CIF,FCA
Min. Order: 1 Piece/Pieces
Delivery Time: 4 Days

Basic Info

    Model No.: NT-IN312S-20

    Ethernet Port QTY: 2

    Fiber Type: Single Mode, Dual Fiber

    Wavelength: 1310nm

    Connector Type: SC

    Distance: 20km, 40km, 60km, 80km, 100km, 120km

    Power Supply: 12-48VDC Or 24VAC

    MTBF: 100,000hours

    Working Temperature: 100,000hours

    Dimension: 140mm (W)×110mm (D)×40 Mm (H)

    Weight: 1kg

    Warranty: 5Years

    Communication Mode: Full-Duplex & Half-Duplex

    Type: Optical Switch

    Transmission Rate: 10/100/1000Mbps

Additional Info

    Packaging: Carton

    Productivity: 5000pcs/day

    Brand: N-net

    Transportation: Ocean,Land,Air,Express

    Place of Origin: Shenzhen, China

    Supply Ability: 5000pcs around 10-20 days

    Certificate: CE, FCC,ISO9001

    HS Code: 8536700000

    Port: Shenzhen,Yantian

Product Description


Due to the different optical fibers used, the transmission distance of the optical fiber transceiver is also different. Due to the relatively short transmission distance of the multimode fiber, it can only cover a distance of 2 kilometers to 5 kilometers.

The N-net NT-IN312S-20 is an Industrial Ethernet Switch with 1Fiber and 2RJ45 port, is designed to convert Ethernet networks to fiber networks by transparently converting

Ethernet signals to optic signals.

Therefore, the data supported by the multimode fiber transceiver The transmission distance is also relatively short, and data transmission can only be achieved in the range of 2 kilometers to 5 kilometers.
Application field

It will extend transmission distance of network to 20Km via fiber port, and the UTP port can support 100 to 250 meters transmission at 10M, 100M,1000M

application, PoE optional.

Small and medium-sized enterprise networks are generally dense and not as scattered as large enterprises. Therefore, the coverage of the required optical fiber transceivers does not need to be too large, and this is the characteristic of multimode optical fiber transceivers. Most small and medium-sized enterprises still use the 100M network. Therefore, we only need to select the 100M multimode fiber transceiver to meet the needs of users.

It provides an integrated power supply with a wide range of voltages for worldwide operation, it also offers dual 12~48 VDC power inputs redundant.


1. Built-in efficient switching core to implement flow control and reduce broadcast packets

2. Standard:IEEE802.3 10Base-T.IEEE802.3u 100Base-TX/FX.IEEE802.3ab 1000Base-T. IEEE802.3z 1000Base-SX/LX.IEEE802.3x Flow Control. IEEE802.3at PSE

3. 10/100/1000Base-TX can automatically identify the direct-line(MDI) and cross-line(MDIX), is compatible with Various cards, Ethernet switches, HUB and other Ethernet devices

4. This Industrial Network Switch applies a store-and-forward mechanism to avoid packet loss and error frames

5. Support cut-through transmission and full-duplex flow control / half-duplex back pressure mode

6. Jumbo frames support a maximum of 1536 bytes

7. 12V to 48V DC or 24V AC Wide power input, redundant power and reverse polarity protection

8. -40 to 80 ℃ operating temperature to meet a variety of complex environments

9. IP40 protection standard for housing

10. This Industrial Gigabit Ethernet Switch Support Ethernet ESD protection and DC power EFT protection

11. DIN rail and panel mounting for easy installation

12. Support Dual-fiber multi-mode, dual-fiber single-mode and single-fiber single-mode fiber port selection, expanded the needs of users

13. 12 G switch fabric, 1K MAC address automatic learning table and 512 kb internal data buffer

14. Support max to 2 PSE port, and each port can supply power up to 25.5W(optional)

15. This Industrial Fiber Switch Support SFP fiber module




Design Level

Industrial grade IP40 design standards

Access mode



IEEE802.3 10Base-T.IEEE802.3u 100Base-TX/FX.IEEE802.3ab 1000Base-T.

IEEE802.3z 1000Base-SX/LX.IEEE802.3x Flow Control. IEEE802.3at PSE



Transmission distance

Dual-fiber multi-mode:500km

Single fiber single mode: 20/40/60/80km

Dual-fiber single mode:20/40/60/80/100km

Category-5 twisted pairs: 100m


Two RJ45 ports:

Connecting STP/UTP category-5/6 twisted pairs, EIA568A/B

One optical port:

Multi-mode :SC/FC/LC(50/125, 62.5/125μm)

Single mode : SC/FC/LC (8.3/125, 8.7/125, 9/125 or 10/125μm)

Conversion mechanism

Store and Forward

MAC address table


Buffer space

Built in 512Kb RAM for data buffer

Flow control

Full duplex: flow control;

Half duplex: back pressure




50,000 hours

LED indicator

Power Supply : PWR 1 , PWR 2

(1~2)UTP Port: POE ,L/A ,1000

Fiber Port: SD

Power supply

Power Input Range: 12 ~ 48VDC/24VAC ,

6-PIN Terminals, Redundant dual power

Power consumption

<5W (without PSE function)

Operating temperature


Operating humidity

5%~90% non-condensing

Storage Temperature


Storage humidity

5%~90% non-condensing


140mm (W)×110mm (D)×40 mm (H)




FCC Part 15, CISPR (EN55022) class A




EN61000-4-2 (ESD), Level 4

EN61000-4-3 (RS), Level 3

EN61000-4-4 (EFT), Level 4

EN61000-4-5 (Surge), Level 4

EN61000-4-6 (CS), Level 3

EN61000-4-8, Level 5



IEC 60068-2-27

Free Fall

IEC 60068-2-32


IEC 60068-2-6

Green product


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Product Categories : Industrial Ethernet Switch > Industrial Gigabit Ethernet Switch

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Dolly Xu

Ms. Dolly Xu



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