Industrial-grade USB to RS485 RS232 Communication Module Two-way Half-duplex Serial Line Converter TVS Protection

$22.99
  Availability: In Stock
  Shipping: Free Airmail 
  Estimated Delivery: 

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  •   Shipping Methods

    Handling Time

    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022

    Returns

    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388
    Israel

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

    Refunds

    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.

    Exceptions

    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

    Questions

    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888
    sales@alexnld.com

     


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Description:

RJ3012 is an industrial-grade two-in-one converter with RS-232/485 interface extended through USB. It can easily connect RS-232/485 devices to a computer host with a USB interface.
This product has added anti-surge protection measures on the RS-232/485 end. Make your computer more free from the surge of RS-232/4 85 circuit, making it more suitable for industrial applications.
Compared with general modules, the module has the characteristics of small size, high sensitivity, long transmission distance, high communication rate, complete functions such as automatic communication protocol conversion and data transmission and reception control, etc. It is a high stability, low power consumption, and cost-effective. USB to serial port module, and adopts serial port connection method, which increases the stability of serial port data. It is widely used in attendance machines, IC card charging systems, industrial automation control systems, all-in-one card access control systems, parking systems, automatic banking systems, and public Automobile toll collection system, canteen selling system, highway toll station system, etc.


Features:

All new chips are used! All new chips are used! All new chips are used!
Industrial-grade protection: TVS transient suppression protection, electrostatic ESD protection, surge protection, AB signal line short-circuit and short-circuit protection with the power supply (short-circuit does not burn)
The transmission distance can reach 1200 meters (tested at 9600bps)
Support the baud rate of 921600, which is much higher than 115200, and the baud rate is higher for paired mutual transmission
Multi-system support hot swap, support win98/CE/2000/2003/2008/XP/WIN7/WIN8/WIN10/VISTA/LINUX/MAC OS X system, USB interface can be hot swapped
Automatically distinguish and control the direction of data transmission, without any handshake signals (such as RTS, DTR, etc.) without jumper settings to achieve mode conversion, to ensure compliance with the existing communication software and interface hardware.
With TXD and RXD indicator lights

Parameters:

1. Power supply: USB 5V
2. Transmission distance: maximum 1200 meters (under 9600bps conditions)
3. Chip solution: CH340
4. Communication protocol: pure hardware equipment, not restricted by protocol
5. Baud rate: up to 921600bps, supporting mutual transmission to support higher baud rate
6. Protection: TVS transient suppression protection, electrostatic ESD protection, surge protection, AB signal line short-circuit and short-circuit protection with the power supply (short-circuit does not burn)
7. Temperature range: -40℃~+80℃
8. Provide external 5V power supply with fuse to limit current
9. Support system: support hot swap, support win98/CE/2000/2003/2008/XP/WIN7/WIN8/WIN10/VISTA/LINUX/MAC OS X system, USB interface can be hot swapped
10. Automatically identify and control the data transmission direction, without any handshake signals (such as RTS, DTR, etc.) without jumper settings to achieve mode conversion, to ensure compliance with the existing communication software and interface hardware.
11. Weight: 16g
12. Size: 70*27*13mm(length*width *height)


Parameters:

1. Power supply: USB 5V
2. Transmission distance: up to 1200 meters
3. Chip solution: CH340
4. Communication protocol: pure hardware equipment, not restricted by protocol
5. Baud rate: up to 115200bps
232 signal: RXD, TXD, GND
RS-485 signal: A+, B-
6. Protection: TVS transient suppression protection function
7. Temperature range: -40℃~85℃
8. Humidity: 0%~90%
9. Transparent transmission, users do not need to change the agreement
10. Support plug and play and hot plug (USB end)
11. Professional interface data flow direction automatic control technology, automatic identification and control of data transmission direction, adaptive RS-232/485 communication
12. Interface standard: compatible with EIA/TIARS-232C, RS-485;
13. Support system: The software supports Win98, Win2000, WinXP, WIN7, WIN8, W IN10, vista and other systems;
14. Weight: 15g
15. Size: length, width and height 70*27*12mm

Package included:

1 x USB to RS485 RS232 Communication Module 

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Product ID: 11377682 Category: Model: USB to 485 (+1 more)
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