The SOUTH L5930B RS232 Cable is a high-quality data communication cable designed specifically for SOUTH GNSS and RTK GPS receivers. This 5-pin to DB9 female serial cable enables smooth and reliable RS-232 data transmission between your GNSS receiver, data controller, radio modem, or computer.
Whether you are using it for real-time kinematic (RTK) surveying, firmware updates, data logging, or connecting your receiver to a laptop, the L5930B provides unmatched reliability, stable performance, and professional-grade durability essential for surveyors and engineers who demand precision and performance in the field.
Key Features and Benefits
1. Model Number: L5930B
The model number L5930B is officially recognized as the standard RS232 communication cable for SOUTH GNSS receivers. This ensures you are buying a genuine, compatible cable built for SOUTH GPS and RTK devices. No more uncertainty about compatibility this is the recommended cable used by survey professionals worldwide.
2. Connector Type: 5-Pin to DB9/Female
The L5930B features a 5-pin Lemo-style connector on one end that securely connects to the SOUTH GNSS receiver, and a DB9 female RS-232 connector on the other that links to your data controller, laptop, or modem.
This configuration guarantees a perfect electrical connection and accurate data transfer, ensuring that you never lose communication during critical operations.
3. High-Quality Construction for Field Durability
Designed for professional field environments, this cable is built to last. It’s shielded to prevent signal interference and designed with rugged materials to withstand outdoor conditions, including dust, vibration, and moisture. The connectors lock firmly, preventing accidental disconnections during surveys.
4. Stable RS-232 Data Communication
The L5930B RS232 data cable provides stable, low-latency serial data transfer, crucial for RTK corrections, differential data communication, and real-time surveying. Whether you’re sending or receiving NMEA messages, RTCM corrections, or control commands, the cable maintains a consistent data flow with minimal noise.
5. Perfect for SOUTH GNSS & Compatible Models
This cable is officially compatible with SOUTH GNSS receivers and also works with several Kolida GNSS systems and other RS-232 compatible GPS brands.
Its universal RS-232 protocol ensures that you can use it for data updates, firmware upgrades, and survey communication setups without any hassle.
6. Ideal Cable Length – 1.5 Meters
The 1.5-meter cable length offers the ideal balance between flexibility and convenience. It’s long enough for field setups, yet compact enough to manage easily. The cable is also available in custom lengths like 2m, 5m, 10m, etc., depending on your field requirements.
Technical Specifications
| Feature | Details |
| Model | L5930B |
| Type | RS-232 Data Cable |
| Connector A | 5-Pin Male (Receiver Side) |
| Connector B | DB9 Female (Host Side) |
| Cable Length | 1.5 m (standard) – other lengths available |
| Compatibility | SOUTH GNSS Receivers, Kolida GNSS, and RS-232 compatible devices |
| Material | Durable Shielded PVC Jacket |
| Function | Data communication, RTK corrections, firmware updates |
| Protocol | Standard RS-232 serial communication |
| Use Case | GNSS receiver to controller/modem/PC link |
Applications
1. RTK GNSS Surveying
The SOUTH L5930B RS232 cable is widely used in real-time kinematic (RTK) applications. It provides the link for correction data transfer between your base station and rover receiver, ensuring centimeter-level accuracy in surveying and mapping.
2. Firmware Updates & Configuration
Keep your SOUTH GNSS receiver up to date with firmware upgrades via a secure RS-232 connection. The L5930B ensures fast and error-free firmware uploads, avoiding disconnection issues that can occur with low-quality cables.
3. Serial Data Communication
Use the L5930B cable to connect your GNSS receiver to computers, radio modems, or data controllers for real-time data exchange. This is perfect for applications such as GIS mapping, geodetic surveys, machine control, and construction positioning.
4. Equipment Testing & Calibration
Surveying and positioning instruments often require serial communication for calibration and testing. The L5930B offers reliable performance during these technical operations, making it a must-have tool for any professional surveyor’s kit.
Why Choose the SOUTH L5930B RS232 Cable?
100% Compatibility
Unlike generic cables, the L5930B is engineered to work seamlessly with SOUTH GNSS receivers. You’ll get consistent communication, correct pin-outs, and full support for RS-232 protocols.
Field-Ready Reliability
Surveying environments are demanding. This cable features rugged construction and tight connector locking, minimizing downtime and connection errors in the field.
Improved Data Integrity
Shielded against electromagnetic interference (EMI), the cable ensures clean signal transmission even in high-noise environments, such as construction or urban areas.
Simple Plug-and-Play Use
No software installation needed simply plug the cable into your receiver and device, select the correct COM port, and start working instantly.
Designed for Professionals
Surveyors, engineers, and GIS technicians all rely on accurate serial data transmission. The L5930B gives you that reliability every time, making it the professional’s choice for GNSS communications.
How to Use the SOUTH L5930B RS232 Cable
- Turn off both the GNSS receiver and the computer/controller before connecting.
- Insert the 5-pin connector into the serial port of your SOUTH GNSS receiver.
- Connect the DB9 female end to your laptop, data collector, or radio modem.
- Power on your devices.
- Open your GNSS or surveying software (e.g., FieldGenius, SurvCE, South SurPad).
- Select the RS-232 COM port and set the baud rate as specified by your receiver.
- Begin communication, firmware updating, or RTK data exchange.
This cable does not require drivers or software installation; it’s plug-and-play.
Performance You Can Depend On
Stable RTK Correction Data
In RTK operations, even the smallest signal interruption can lead to positional errors. The L5930B ensures a continuous, stable data stream, maintaining real-time corrections for centimeter-level accuracy.
No Signal Loss or Dropouts
Thanks to its shielded design, this cable resists noise, cross-talk, and interference essential for maintaining data integrity during field operations.
Durable Connectors
The connectors are precision-molded and gold-plated, ensuring optimal conductivity and long-term reliability. The secure locking mechanism prevents accidental disconnection.
Who Is This Cable For?
- Land Surveyors : Needing consistent, stable communication between RTK base and rover.
- GIS Professionals : For downloading GNSS data to mapping software.
- Construction Engineers : Integrating GNSS receivers with machine control systems.
- Equipment Technicians : Performing firmware updates or diagnostics on GNSS receivers.
- Geospatial Firms : Managing large-scale positioning networks and RTK corrections.
Advantages Over Generic Cables
| Feature | Generic Cable | SOUTH L5930B Cable |
| Pinout Compatibility | Often mismatched | Exact SOUTH wiring |
| Data Stability | May drop data | Constant, reliable |
| Connector Quality | Loose fit | Precision locking |
| Shielding | Minimal | High-grade shielding |
| Field Durability | Poor | Rugged, weather-resistant |
| Warranty & Support | None | Genuine SOUTH support |
When precision matters, the L5930B is the cable you can depend on.
Maintenance Tips for Longevity
- Avoid sharp bends or twisting during storage.
- Keep connectors clean and dry.
- Store in a protective pouch when not in use.
- Do not pull the cable to disconnect; grip the connector heads.
- Periodically inspect for any wear or damage.
Proper care ensures your cable lasts for years without performance loss.
Benefits
- Perfect match for SOUTH GNSS devices
- High data transmission stability
- Quick and secure connection setup
- Long-lasting build quality
- Ready for RTK, firmware, and data transfer
- Value-for-money professional accessory
Frequently Asked Questions
What is the SOUTH L5930B RS232 cable used for?
The L5930B is used to connect SOUTH GNSS receivers to data controllers, laptops, or modems via an RS-232 serial connection. It supports RTK corrections, data transfer, and firmware upgrades.
Is the cable compatible with other GNSS brands?
Yes. While designed for SOUTH, it also works with many Kolida and other GNSS receivers that use the same 5-pin serial interface.
Can I use it for firmware updates?
Absolutely. The L5930B is the official firmware update cable for SOUTH GNSS receivers. It ensures reliable data transfer during update processes.
How long is the cable?
The standard cable length is 1.5 m, ideal for field use. You can request longer versions (2 m, 5 m, 10 m) if needed.
Does it work with USB ports?
You can use a USB-to-RS232 adapter to connect it to modern laptops that lack DB9 serial ports.
Can I use it in harsh weather conditions?
Yes. The cable is built with durable shielding and insulation, suitable for outdoor environments, construction sites, and extreme conditions.
Does it support both data transmission and reception?
Yes, it supports bi-directional RS-232 communication, allowing simultaneous sending and receiving of GNSS data.
What should I check if communication fails?
Ensure both connectors are properly inserted, COM port settings are correct, and the device drivers (for USB adapters) are installed.
Is it an original SOUTH accessory?
Yes. This is an authentic SOUTH-compatible RS-232 data cable (Model L5930B), not a generic substitute.
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