- Home Page /
- Electronics /
- Computer Accessories /
- Computer Accessories & Peripherals /
- Computer Cable Adapters /
- Serial Adapters /
- CQRobot Passive RS-232 to RS-485 Serial Port ...
0 ratings
Item #:
148117999
CQRobot Passive RS-232 to RS-485 Serial Port Conversion Adapter with Status Indicator, Bidirectional Transmission, 15kV ESD and 600W Surge Transient
Item #:
148117999
SCR 260
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
Out of stock
Imported from USA store
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Realize seamless bidirectional signal conversion between RS-232 and TTL, ensuring hassle-free communication across various devices.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Robust Protection
Offers 15kV ESD and 600W surge protection, ensuring high reliability and durability in challenging industrial environments, safeguarding devices from electrical damage.
Bidirectional Support
Enables seamless bidirectional data transmission, enhancing versatility for communication between diverse devices without loss of signal integrity or quality.
Node Capacity
Supports up to 32 nodes, making it ideal for expanded network applications, allowing multiple devices to be connected efficiently and effectively.
Product Details
- The RS-485 interface features DCPC to prevent data collisions during communication
- Supports automatic baud rate adjustment for compatibility with various communication speeds. 300bps to 115.2 kbps transmission rate
- Dual indicator lights show signal transmission status in real time. The RS-485 interface can communicate with up to 32 nodes, making it ideal for multi-device networks
- RS-232 Port Protection: Equipped with 15kV ESD protection for enhanced durability.RS-485 Provides dual 600W surge and lightning protection against high-voltage transients
- It realizes seamless bidirectional signal conversion between RS-232 and RS-485, supports asynchronous half-duplex differential transmission, and is compatible with two-wire point-to-point and point-to-multipoint communications. Integrated power supply eliminates the need for an external source
| Number of Ports | 32 |
| Brand | CQRobot |
| Model Number | CQRCK801 |
| Manufacturer | CQRobot |
| Mfr Part Number | CQRCK801 |
| Item Dimensions | 3.94 x 2.76 x 0.94 inches (10 x 7 x 2.4 cm) |
| Item Weight | 0.06 Kilograms |
| Number of Items | 1 |
| Item dimensions L x W x H | 3.94 x 2.76 x 0.94 inches (10 x 7 x 2.4 cm) |
Who Should Buy?
-
Industrial Automation
Ideal for factories needing reliable and durable communication equipment to connect multiple devices in automation systems.
-
Data Acquisition
Perfect for applications involving data logging where long-distance RS-485 communication is essential for sensor connectivity.
-
Telecommunication Systems
Suitable for telecom setups that require robust protection against transient voltage and reliable bidirectional data transmission.
-
Basic Home Use
Not suitable for casual users needing simple connectivity solutions, as it may be overly complex for home applications.
-
Low-Speed Applications
Users requiring low-speed data transfers may find alternatives more cost-effective and simpler to implement than this product.
-
Single Node Systems
Individuals or systems that only connect one device won't utilize the multi-node support effectively, making this unnecessary.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the CQRobot Passive RS-232 to RS-485 Serial Port Conversion Adapter used for?
Answer: The CQRobot Passive RS-232 to RS-485 Serial Port Conversion Adapter is designed to convert RS-232 signals to RS-485, enabling communication over longer distances and in noisy environments. This adapter is ideal for industrial applications, automation systems, and various communication interfaces. It facilitates reliable data transmission between devices like sensors, controllers, and computers, ensuring efficient information flow in environments where RS-485 networks are utilized. -
Question:
What does bidirectional transmission mean in this adapter?
Answer: Bidirectional transmission in the CQRobot adapter means it can send and receive data in both directions. This feature is crucial for applications that require two-way communication, such as control systems where commands are sent and feedback is received from devices. By utilizing bidirectional communication, you can ensure that both ends of the RS-232 and RS-485 connections can interact seamlessly, enhancing the overall performance of your network. -
Question:
What are the benefits of the 15kV ESD protection feature?
Answer: The 15kV ESD (Electrostatic Discharge) protection feature of the CQRobot adapter is designed to safeguard the device from electrical discharges that can damage sensitive electronics. This level of protection is particularly beneficial in industrial settings where static electricity can be a concern. With this feature, you can confidently deploy the adapter in environments with high static risk, ensuring the longevity and reliability of your connections and preventing unexpected device failures. -
Question:
How does the 600W surge transient protection work?
Answer: The 600W surge transient protection in the CQRobot adapter is engineered to protect connected devices from voltage spikes that could occur during power surges. This protection works by diverting excess voltage away from the adapter and its attached equipment, minimizing the risk of damage. This feature is particularly useful in applications where power fluctuations are common, allowing for uninterrupted operation and maintaining the integrity of the data being transmitted. -
Question:
Is this adapter compatible with all RS-232 and RS-485 devices?
Answer: The CQRobot adapter is generally compatible with a wide range of RS-232 and RS-485 devices, provided they adhere to standard protocols. It is particularly effective for applications involving industrial controllers, PLCs, and modems. However, it’s advisable to check the specifications of your devices to ensure they can communicate effectively with the adapter. This versatility makes it a valuable component in various systems and setups. -
Question:
What applications can the CQRobot RS-232 to RS-485 adapter be used in?
Answer: The CQRobot RS-232 to RS-485 adapter is suitable for numerous applications, including data acquisition systems, industrial automation, building management systems, and remote sensor communications. Its ability to transmit data over longer distances with reliability makes it a popular choice for connecting devices in warehouses, factories, and smart buildings where effective network communication is crucial. -
Question:
Can this adapter support long-distance communication?
Answer: Yes, the CQRobot adapter is designed to support long-distance communication, often up to 4,000 feet (1,200 meters) in typical conditions. This is achieved through the RS-485 protocol, which is specifically optimized for long-range data transmission. For setups requiring extended distances, this feature allows for seamless integration of devices placed far apart, making it ideal for large installations or complex systems. -
Question:
What distinguishes CQRobot from other brands?
Answer: CQRobot stands out from other brands with its robust design, focus on industrial-grade ESD and surge protection, and commitment to quality in the manufacturing process. These characteristics ensure that the adapters are reliable in demanding environments. Additionally, CQRobot products are often designed with user-friendliness in mind, enabling professionals and hobbyists alike to implement them easily in their projects without extensive technical knowledge. -
Question:
What is the advantage of having a status indicator on the adapter?
Answer: The status indicator on the CQRobot adapter provides real-time feedback on the operational state of the device. It visually cues users when the adapter is powered, transmitting data, or encountering an issue. This feature simplifies troubleshooting, allowing users to quickly identify connections status and enhance productivity, particularly in environments where multiple devices need constant monitoring for reliable operation. -
Question:
Where can I buy the CQRobot Passive RS-232 to RS-485 Serial Port Conversion Adapter in Seychelles?
Answer: You can purchase the CQRobot Passive RS-232 to RS-485 Serial Port Conversion Adapter from Ubuy in Seychelles. Ubuy offers a wide selection of electronic components, providing you with convenience and reliable options for shipping. Whether you're looking to enhance your existing setup or embark on a new project, Ubuy is a trusted source for quality electronics like this adapter.
CQRobot Serial Adapters CQRCK801 Editorial Review
No editorial reviews found
Customer Reviews & Ratings
35 customers ratings
-
5 Star
76%
-
4 Star
24%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
SCR 260
Currently unavailable.
We don't know when or if this item will be back in stock.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Supports automatic baud rate adjustment for versatile use.
- Transmission rate range from 300bps to 115.2 kbps.
- Dual indicator lights provide real-time signal transmission status.
- Compatible with 5V/3.3V TTL/CMOS levels for diverse applications.
- Equipped with 15kV ESD protection for enhanced durability.
- No external power supply required; integrates seamlessly with development boards.