Features
Discover the innovative features that set our products apart, designed to streamline your workflow, enhance efficiency, and provide a seamless user experience tailored to your specific needs.
01
Lightweight subsea data access
• Enables access to underwater equipment without a physical data cable.
• Supports short-range interrogation, command and data download.
• Provides a practical solution for deployments where cable access or instrument recovery is impractical.
02
Optical communication for diver and ROV use
• Designed for divers and inspection-class ROVs.
• Provides wireless optical communication through water using cyan visible light.
• Supports straightforward access to deployed instruments during subsea operations.
03
Cost-effective cable alternative
• Offers an alternative to ROV-mateable connectors and permanent subsea cables.
• Helps reduce operational costs by removing the need for physical data connection hardware.
• Increases deployment flexibility for compatible underwater instruments.
04
Compatible with RS232 instruments
• Compatible with instruments using an RS232 serial interface.
• Suitable for use with Aquatec’s HYDROlog® hydrotest monitoring range.
• Provides a transparent link for instrument interrogation, command and data download.
05
Flexible configuration options
• Available as complete, ROV-side or subsea-side configurations.
• External battery pack, Y cable, ROV cable and test cable options available depending on configuration.
• Supports setup, testing and field use for diver and inspection-class ROV operations.
Specifications
| Interface | RS232 levels |
|---|---|
| Protocol | Any format – transparent link (link deals with the communication protocol) |
| Baud rate | 115,200 baud |
| Transmission type | Digitally coded telemetry with error detection |
| Data throughput* | 10.2 kBytes/s |
| Light band | Cyan visible light |
| Operating range | Typically 1 m depending on environment |
| Maximum depth | 500 m |
| Temperature | Operating: -5°C to 40°C | Storage: -40°C to 65°C |
| External power | ROV unit: 9 VDC to 36 VDC | Subsea unit: 6.5 VDC to 32 VDC |
| Serial wake-up | On receipt of RS232 serial data for subsea unit | Optional on receipt of RS232 serial data for ROV unit |
| Optical wake-up | On receipt of optical interrogation |
| Dimensions | 285 mm length x 72 mm maximum diameter | 60 mm main housing diameter |
| Weight | ~1 kg in air | ~0 kg in water |
| Material | Acetal with Perspex window |
FAQs
What is the AQUAmodem® Op2L used for?
The AQUAmodem® Op2L is used for short-range optical communication with underwater equipment, enabling interrogation, command and data download without a physical data cable.
How is the AQUAmodem® Op2L different from the Op2?
The Op2L is a lighter, near-neutrally buoyant version designed for divers and inspection-class ROVs, while the Op2 is the deeper-rated system suited to work-class ROV operations.
Can the AQUAmodem® Op2L download data without recovering the instrument?
Yes. The Op2L enables data download from deployed underwater instruments without requiring a physical data cable or instrument recovery.
What instruments is the AQUAmodem® Op2L compatible with?
The Op2L is compatible with RS232 instruments, including Aquatec’s HYDROlog® hydrotest monitoring range.
What is the depth rating of the AQUAmodem® Op2L?
The AQUAmodem® Op2L has a maximum depth rating of 500 m.
What is the operating range of the AQUAmodem® Op2L?
The typical operating range is 1 m, depending on environmental conditions.
Is the AQUAmodem® Op2L suitable for diver use?
Yes. The Op2L is designed for diver and small ROV access to deployed underwater instruments.
What configurations are available for the AQUAmodem® Op2L?
The Op2L is available in complete, ROV-side and subsea-side configurations, with external battery pack, Y cable, ROV cable and test cable options depending on the configuration.