DLPBH9F 9-Pin Low Profile Subsea Hybrid Connector – Power and Ethernet, Bulkhead Female, 300 Bar

Product Overview

The HYSF SUBSEA DLPBH9F 9-Pin Low Profile Subsea Hybrid Connector is a compact female bulkhead underwater connector designed for subsea equipment requiring reliable electrical connections and high-speed Ethernet communication in space-constrained installations.Featuring a nine-contact configuration and a low-profile bulkhead design, the DLPBH9F provides a compact electrical interface for underwater power and Gigabit Ethernet applications. Its reduced-profile construction makes it particularly suitable for compact ROV systems, micro-AUV platforms, underwater sensor housings, subsea junction boxes, and marine electronic enclosures.The DLPBH9F belongs to the Low Profile Data Connector family, which is designed for high-speed underwater data transmission. The nine-contact arrangement supports four twisted Ethernet pairs and a dedicated cable screen connection, providing an integrated interface for Gigabit Ethernet communication.The connector supports 1000BASE-T Gigabit Ethernet data transmission at speeds of up to 1 Gbit/s, with a reference transmission distance of up to 75 meters using a compatible underwater Ethernet cable assembly.For applications requiring combined power and Ethernet functionality, the connector can be integrated into an appropriately engineered power-and-data system. Power distribution, Ethernet pair allocation, and the associated electrical loading must follow the approved system wiring configuration.The DLPBH9F features female socket contacts made from gold-plated brass UNS C36000, a molded Chloroprene Rubber connector body, and a bulkhead mounting structure available in different materials. The PEEK bulkhead body configuration provides a reference depth rating of 300 bar (4,350 psi), making it suitable for compatible underwater equipment operating at depths of approximately 3,000 meters.The connector is designed for panel-mounted installation in underwater instrument housings, compact ROV chassis, AUV hulls, pressure housings, and subsea electronic enclosures. Its low-profile structure helps reduce the space required for connector installation and allows more electrical interfaces to be integrated into a limited equipment panel area.The DLPBH9F is designed to mate with compatible nine-contact male Low Profile Data in-line connectors, including the corresponding DLPIL9M configuration. The Low Profile locking strap provides mechanical retention for compatible mated connector assemblies.With its nine-contact Ethernet interface, female bulkhead configuration, compact mechanical structure, and 300-bar PEEK depth-rated option, the DLPBH9F provides a practical underwater connectivity solution for ROV systems, AUV platforms, subsea communication equipment, marine sensors, and deepwater monitoring instruments.HYSF SUBSEA provides low-profile underwater connectors, subsea Ethernet connectors, female bulkhead connectors, underwater data connectors, and customized power-and-data cable assemblies for OEM manufacturers, ROV integrators, marine engineering companies, and offshore equipment suppliers.

Key Features and Benefits

1. Nine-Pin Female Bulkhead Configuration

The DLPBH9F features nine female electrical socket contacts in a compact Low Profile bulkhead connector configuration.The nine-contact design provides an integrated electrical interface for high-speed Ethernet communication and compatible underwater system integration.Key characteristics include:

• Nine female socket contacts
• Nine-contact electrical configuration
• Female bulkhead connector design
• Low Profile Data Connector construction
• Compact panel-mounted installation
• High-density electrical interface
• Four twisted Ethernet pairs
• Dedicated cable screen connection
• Compatible with corresponding male in-line connectors
• Suitable for underwater data communication
• Suitable for compact subsea equipment

Typical applications include:

• Gigabit Ethernet communication
• Underwater data transmission
• ROV communication systems
• AUV electronic interfaces
• Subsea camera networks
• Underwater monitoring equipment
• Marine sensor networks
• Subsea control systems
• Underwater communication instruments
• Compact electronic pressure housings

The nine-contact configuration integrates four Ethernet twisted pairs and a screen connection within a single compact underwater connector.

2. Low Profile Compact Design

The DLPBH9F features a low-profile connector body designed for applications where available installation space is limited.Compared with conventional larger connector arrangements, the low-profile design helps reduce the space occupied by the connector on equipment panels and subsea housings.Key advantages include:

• Reduced-profile connector structure
• Compact bulkhead installation
• Space-saving panel integration
• Suitable for high-density connector layouts
• Reduced installation footprint
• Convenient integration into compact housings
• Suitable for small ROV chassis
• Suitable for micro-AUV platforms
• Suitable for underwater sensor packages
• Suitable for subsea junction boxes

The compact design is particularly useful for equipment manufacturers who need to integrate multiple electrical and data connections into limited panel space.

3. Gigabit Ethernet Data Transmission

The DLPBH9F belongs to the SubConn Data Low Profile 9-contact connector configuration.It supports high-speed Ethernet communication through four twisted pairs and a dedicated screen connection.According to the official SubConn Data Low Profile technical specifications, the connector supports:

• Data Protocol: 1000BASE-T
• Data Rate: Up to 1 Gbit/s
• Reference Transmission Distance: Up to 75 m
• Number of Ethernet Pairs: 4
• Number of Contacts: 9
• Cable Screen: Dedicated screen connection

This configuration is suitable for underwater systems requiring reliable high-speed data communication between subsea instruments, ROV control systems, underwater cameras, and surface-side monitoring equipment.Typical Ethernet applications include:

• ROV Gigabit Ethernet networks
• AUV data communication
• Underwater camera transmission
• Subsea video monitoring
• Marine sensor data acquisition
• Underwater control networks
• Deepwater monitoring systems
• Offshore instrumentation networks
• Subsea computer communication
• Underwater inspection equipment

The four twisted pairs provide the electrical paths required for 1000BASE-T Ethernet communication.The actual data transmission performance depends on cable construction, cable length, Ethernet equipment, termination quality, and the complete communication system.

4. Power and Ethernet System Integration

The DLPBH9F product configuration is intended for underwater applications requiring combined power and Ethernet functionality through a compact connector interface.Integrating electrical power and Gigabit Ethernet into an underwater equipment connection can help reduce the number of separate connectors and simplify subsea equipment layouts.Typical system-level applications include:

• Powered underwater Ethernet devices
• ROV camera and communication systems
• AUV electronic equipment
• Subsea monitoring instruments
• Underwater network devices
• Marine sensor systems
• Compact subsea junction boxes
• Integrated power-and-data equipment

For standard 1000BASE-T Ethernet, all four twisted pairs are used for data transmission. Power delivery should therefore be designed using an appropriate compatible power-over-Ethernet arrangement or another approved electrical configuration.The contact allocation, power voltage, current loading, cable construction, and electrical isolation must be evaluated together before deployment.

5. 250 V DC/AC RMS Voltage Rating

The official SubConn Data Low Profile 9-contact specification identifies a maximum voltage rating of 250 V DC/AC RMS.This is the connector voltage rating and should not be interpreted as a separate power-circuit rating for every contact.The DLPBH9F can be integrated into compatible underwater electrical and data systems within the specified electrical limits.Typical applications include:

• Subsea communication equipment
• Underwater electronic instruments
• ROV electrical interfaces
• AUV communication systems
• Underwater camera networks
• Marine monitoring devices
• Subsea sensor equipment
• Offshore instrumentation

Actual system voltage and power delivery must follow the approved wiring design and applicable electrical requirements.

6. 300 Bar PEEK Bulkhead Depth Rating

The DLPBH9F is available with a PEEK bulkhead body configuration for underwater applications requiring a 300-bar depth rating.The reference specifications include:

• PEEK Bulkhead Depth Rating: 300 bar
• Pressure Equivalent: 4,350 psi
• Approximate Water Depth: 3,000 m
• Standard Data Low Profile Open-Face Pressure Qualification: 600 bar

The 300-bar PEEK configuration provides a compact bulkhead connection solution for deepwater instruments, subsea sensor housings, ROV systems, and underwater electronic equipment.The 300-bar depth rating and 600-bar open-face pressure qualification represent different specifications and should not be treated as interchangeable operating limits.The complete installation, including the bulkhead body material, mounting arrangement, O-ring sealing interface, and equipment housing, must be qualified for the intended operating pressure.

7. Gold-Plated Brass Female Socket Contacts

The DLPBH9F features nine female socket contacts made from gold-plated brass UNS C36000 according to the official SubConn Data Low Profile specifications.Gold-plated brass contacts provide electrical conductivity and corrosion resistance for demanding underwater data communication applications.Key characteristics include:

• Nine female socket contacts
• Brass UNS C36000 contact material
• Gold-plated contact surfaces
• Corrosion-resistant contact interface
• Reliable electrical mating
• Stable signal transmission
• Low contact resistance
• Suitable for repeated mating operations
• Designed for high-speed Ethernet connections

The female socket contacts are designed to mate with compatible male pin contacts in the corresponding Low Profile Data connector family.

8. Chloroprene Rubber Connector Body

The DLPBH9F features a Chloroprene Rubber connector body.Chloroprene Rubber, commonly known as Neoprene, is widely used in underwater electrical connector systems because of its flexibility, electrical insulation properties, and suitability for marine environments.Key characteristics include:

• Chloroprene Rubber construction
• Neoprene rubber material
• Electrical insulation
• Flexible connector body
• Suitable for seawater environments
• Supports underwater sealing
• Designed for subsea equipment integration
• Suitable for demanding marine conditions

The molded rubber construction provides environmental protection around the electrical interface and supports reliable underwater connector operation.

9. Multiple Bulkhead Housing Material Options

The DLPBH9F bulkhead connector can be supplied with different housing materials according to the application and equipment integration requirements.Reference material options include:

• Brass
• Stainless Steel
• Titanium
• Anodized Aluminum
• PEEK

The PEEK configuration is particularly relevant for the 300-bar depth-rated version.Different materials provide different mechanical, corrosion-resistance, weight, and installation characteristics.Material selection should consider:

• Operating depth
• Seawater exposure
• Equipment housing material
• Galvanic corrosion compatibility
• Mechanical mounting requirements
• Weight limitations
• Operating temperature
• Long-term environmental conditions

For deepwater applications requiring a 300-bar depth rating, the PEEK bulkhead configuration should be selected according to the approved product specification.

10. Nitrile Rubber O-Ring Sealing System

The DLPBH9F belongs to the Low Profile Data connector family, which uses nitrile rubber O-ring sealing components.The O-ring sealing arrangement helps protect the bulkhead mounting interface from water ingress and supports reliable underwater installation.Key characteristics include:

• Nitrile Rubber O-ring
• NBR sealing material
• Bulkhead sealing arrangement
• Designed for underwater installation
• Suitable for marine environments
• Supports reliable equipment integration
• Requires proper mounting surface preparation

The sealing surface should be clean, smooth, and free from scratches or contamination.O-rings should be inspected for cuts, deformation, wear, and contamination before installation.The exact O-ring dimensions should be checked against the approved DLPBH9F engineering drawing.

11. Low Profile Locking Strap

The DLPBH9F is designed for use with compatible Low Profile locking straps.The locking strap helps retain the mated connector assembly and reduces the risk of accidental disconnection during underwater operation.Reference locking strap characteristics include:

• Low Profile locking strap design
• Chloroprene Rubber material
• Compatible Low Profile connector family
• Mechanical retention
• Supports secure connector mating
• Suitable for subsea cable assemblies
• Suitable for ROV and AUV equipment

The correct locking strap should be selected according to the connector configuration and installed according to the manufacturer’s handling instructions.

12. Electrical Insulation and Contact Resistance Performance

The official SubConn Data Low Profile 9-contact technical specifications provide the following reference electrical performance values:

• Insulation Resistance: Greater than 200 MΩ
• Contact Resistance: Less than 0.01 Ω

High insulation resistance helps maintain electrical separation between contacts and reduces unwanted leakage paths.Low contact resistance helps minimize electrical losses at the connector interface and supports reliable Ethernet signal transmission.These electrical characteristics are important for underwater communication systems, marine sensor networks, ROV electronics, and subsea data acquisition equipment.

13. Temperature Resistance for Marine Environments

The DLPBH9F belongs to a connector family designed for demanding marine operating conditions.The official SubConn Data Low Profile technical specifications identify the following reference temperature ranges:

• Water Temperature: −4°C to +60°C
• Air Temperature: −40°C to +60°C
• Storage Temperature: −40°C to +60°C

These temperature ranges support integration into a variety of marine, subsea, and underwater instrumentation applications.The complete system temperature capability should also consider the selected cable, bulkhead material, sealing components, electrical loading, and equipment enclosure.

14. Nine-Contact Ethernet Wiring Configuration

The DLPBH9F uses a nine-contact arrangement for four twisted Ethernet pairs and a dedicated cable screen connection.The official SubConn Data Low Profile wiring reference identifies the following cable colour assignments:

• Pin 1: Brown
• Pin 2: Brown/White
• Pin 3: Blue
• Pin 4: Blue/White
• Pin 5: Orange
• Pin 6: Orange/White
• Pin 7: Green
• Pin 8: Green/White
• Pin 9: Screen

The four twisted pairs are:

• Pair 1: Brown / Brown-White
• Pair 2: Blue / Blue-White
• Pair 3: Orange / Orange-White
• Pair 4: Green / Green-White

Pin 9 provides the cable screen connection.These colour assignments are reference wiring information for the standard Data Low Profile Ethernet cable. Customized power-and-data configurations should use an approved electrical wiring diagram.

15. Compatible Male Mating Connector

The DLPBH9F is a nine-pin female bulkhead connector designed to mate with a compatible nine-contact male Low Profile Data in-line connector.The corresponding male in-line configuration is:

• DLPIL9M: 9-Pin Low Profile Male In-Line Connector

The compatible male connector should have:

• Nine male pin contacts
• Matching Low Profile mating interface
• Compatible nine-contact configuration
• Correct mechanical alignment
• Suitable locking strap
• Compatible Ethernet cable termination
• Appropriate electrical wiring configuration

The correct mating connector should be verified against the approved connector drawing before ordering.The mating connector, cable assembly, and locking accessories should be selected as a complete compatible system.

16. Suitable for ROV Systems

Remotely Operated Vehicles require reliable underwater connections for cameras, sensors, lighting, control electronics, and communication systems.The DLPBH9F provides a compact female bulkhead interface for compatible ROV Ethernet and electrical equipment.Typical ROV applications include:

• ROV Gigabit Ethernet networks
• Underwater camera systems
• ROV control electronics
• Subsea communication interfaces
• Underwater inspection systems
• Marine sensor connections
• ROV monitoring equipment
• Compact ROV junction boxes
• Subsea data acquisition equipment
• ROV electronic pressure housings

Its low-profile construction helps reduce panel congestion and allows multiple connectors to be installed in compact ROV equipment layouts.

17. Suitable for AUV and Micro-AUV Platforms

Autonomous Underwater Vehicles require compact and reliable electrical connections for navigation systems, sensors, communication equipment, and onboard electronics.The DLPBH9F provides a low-profile bulkhead interface for compatible AUV equipment.Typical applications include:

• Micro-AUV electronic housings
• Autonomous underwater communication systems
• Underwater navigation equipment
• AUV sensor packages
• Autonomous monitoring platforms
• Subsea electronic enclosures
• Marine research vehicles
• Underwater data acquisition systems
• Autonomous inspection equipment

Its compact installation design is particularly useful for underwater vehicles with limited internal and external mounting space.

18. Underwater Camera and Video Systems

Underwater cameras require dependable Ethernet connections for high-resolution video transmission, remote monitoring, and subsea image processing.The DLPBH9F supports compatible Gigabit Ethernet communication systems for underwater imaging applications.Typical applications include:

• ROV Gigabit Ethernet cameras
• Underwater inspection cameras
• Subsea video monitoring
• Marine imaging equipment
• Underwater surveillance systems
• Deepwater camera housings
• Remote video transmission systems
• Subsea image processing equipment
• Multi-camera underwater platforms

Its nine-contact data interface supports four-pair Ethernet communication through a single compact bulkhead connector.

19. Subsea Sensor and Monitoring Systems

Modern underwater monitoring systems often require high-speed data connections between multiple sensors, onboard computers, and surface-side control equipment.The DLPBH9F provides an Ethernet interface for compatible subsea monitoring applications.Typical applications include:

• Oceanographic sensor networks
• Environmental monitoring systems
• Underwater data loggers
• Subsea measurement instruments
• Water-quality monitoring systems
• Marine research platforms
• Deep-sea sensor nodes
• Subsea monitoring stations
• Offshore instrumentation
• Scientific underwater equipment

The connector supports compact integration of Ethernet-enabled monitoring devices into underwater housings.

20. Subsea Oil and Gas Equipment

Offshore oil and gas systems require reliable electrical and data connections for subsea monitoring, communication, instrumentation, and control equipment.The DLPBH9F provides a compact bulkhead connection for compatible underwater Ethernet and power-system integration.Typical applications include:

• Subsea monitoring equipment
• Offshore communication systems
• ROV intervention equipment
• Underwater inspection tools
• Subsea electronic housings
• Marine instrumentation
• Offshore data acquisition
• Subsea junction boxes
• Remote monitoring systems
• Underwater network equipment

Its compact bulkhead structure supports installation in compatible subsea electronic enclosures.

21. Underwater Communication and Data Acquisition

Underwater communication systems require stable electrical connections for Ethernet data transmission between subsea instruments and surface-side control equipment.The DLPBH9F supports compatible 1000BASE-T Ethernet communication and can be integrated into underwater data acquisition systems.Typical applications include:

• Underwater Ethernet networks
• Subsea communication interfaces
• Gigabit Ethernet data transmission
• Marine data acquisition systems
• Underwater computer networks
• ROV communication systems
• AUV data interfaces
• Oceanographic research equipment
• Subsea monitoring platforms
• Deepwater communication instruments

Its four-pair Ethernet configuration provides a compact interface for high-speed underwater data communication.

22. OEM and Customized Subsea Connector Solutions

HYSF SUBSEA provides low-profile underwater connectors, subsea Ethernet connectors, bulkhead feedthroughs, and customized underwater cable assemblies for OEM equipment manufacturers.Engineering and customization support can include:

• Nine-pin female bulkhead connectors
• Low Profile Data connector configurations
• Brass bulkhead bodies
• Stainless steel bulkhead bodies
• Titanium bulkhead bodies
• Anodized aluminum bulkhead bodies
• PEEK bulkhead bodies
• 300-bar PEEK configurations
• Customized mounting arrangements
• Compatible male in-line connectors
• Ethernet cable assemblies
• PUR cable options
• Cable screen termination
• Customized power-and-data system integration
• Technical drawings
• Electrical testing
• Hydrostatic pressure testing
• OEM equipment integration

Customers can provide equipment drawings, panel thickness, mounting requirements, operating depth, Ethernet protocol, cable length, power requirements, pin assignment, and mating connector models for engineering evaluation.

DLPBH9F Technical Specifications

• Brand: HYSF SUBSEA
• Model: DLPBH9F
• Connector Series: Data Low Profile
• Product Type: Low Profile Female Bulkhead Underwater Connector
• Number of Contacts: 9
• Contact Gender: Female Socket
• Data Protocol: IEEE 802.3 / 1000BASE-T
• Data Transmission Rate: 1 Gbit/s
• Reference Transmission Distance: Up to 75 m
• Ethernet Configuration: 4 Twisted Pairs
• Screen Connection: 1 Dedicated Contact
• Voltage Rating: 250 V DC/AC RMS
• Insulation Resistance: Greater than 200 MΩ
• Contact Resistance: Less than 0.01 Ω
• Wet-Mating Cycles: More than 500
• Qualified Open-Face Pressure Test: 600 bar
• PEEK Bulkhead Depth Rating: 300 bar / 4,350 psi
• Connector Body Material: Chloroprene Rubber
• Bulkhead Body Options: Brass, Stainless Steel, Titanium, Anodized Aluminum, or PEEK
• Female Contact Material: Brass UNS C36000
• Female Contact Plating: Gold-Plated
• O-Ring Material: Nitrile Rubber
• Locking Strap Material: Chloroprene Rubber
• Bulkhead Mounting Thread: 7/16-20 UNF-2A
• Inline Cable: 4-Pair 24 AWG / 0.20 mm² PUR
• Cable Screen: Tinned Copper Braid
• Bulkhead Cable Lead Reference: 100 cm CAT 5E Patch Cable with RJ45 Connector (Not Installed)
• Water Temperature: −4°C to +60°C
• Air Temperature: −40°C to +60°C
• Storage Temperature: −40°C to +60°C
• Connector Style: Low Profile Female Bulkhead
• Mounting Style: Panel / Bulkhead Mount
• Mating Connector: Compatible Nine-Contact Male Low Profile Connector
• Reference Mating Model: DLPIL9M
• Typical Applications: ROVs, AUVs, Underwater Cameras, Subsea Ethernet Networks, Marine Sensors, Oceanographic Instruments, and Offshore Monitoring Systems

Typical Applications of DLPBH9F

1. ROV Systems

Compact nine-pin female bulkhead Ethernet connections for ROV control electronics, underwater cameras, communication systems, and subsea monitoring equipment.

2. Micro-AUV Platforms

Low-profile Ethernet interfaces for compact autonomous underwater vehicles, sensor housings, and onboard communication systems.

3. Subsea Pressure Housings

Bulkhead-mounted Ethernet connections between internal electronic components and external underwater cable assemblies.

4. Underwater Camera Systems

Gigabit Ethernet connections for ROV cameras, underwater inspection cameras, and subsea video monitoring equipment.

5. Subsea Ethernet Networks

High-speed data interfaces for underwater network devices, subsea computers, and remote monitoring equipment.

6. Oceanographic Instruments

Ethernet connections for CTD equipment, marine research instruments, underwater data loggers, and environmental sensors.

7. Environmental Monitoring Systems

Compact underwater communication interfaces for water-quality sensors, turbidity instruments, and long-term marine monitoring platforms.

8. Subsea Oil and Gas Equipment

Bulkhead Ethernet interfaces for offshore monitoring, underwater inspection equipment, subsea control systems, and marine instrumentation.

9. Deep-Sea Research Equipment

Compact underwater data connections for scientific landers, benthic observatories, deepwater sensor nodes, and research instruments.

10. Marine Robotics

Low-profile electrical interfaces for underwater robotic platforms, autonomous inspection equipment, and subsea electronic systems.

11. Underwater Communication Equipment

Gigabit Ethernet connections for underwater communication devices, subsea network systems, and marine data acquisition equipment.

12. Subsea Junction Boxes

Compact bulkhead connectors for high-density Ethernet and compatible power-system integration in subsea junction boxes and electronic enclosures.

DLPBH9F vs DLPBH9M

Both DLPBH9F and DLPBH9M belong to the Low Profile Data 9-contact connector family and share the same basic electrical and mechanical interface.Their main difference is the contact gender.

DLPBH9F

• Nine female socket contacts
• Female bulkhead connector
• Panel-mounted installation
• Designed to mate with compatible male in-line connectors
• Suitable for fixed subsea equipment installation

DLPBH9M

• Nine male pin contacts
• Male bulkhead connector
• Panel-mounted installation
• Designed to mate with compatible female in-line connectors
• Suitable for fixed subsea equipment installation

Both configurations are designed for compatible nine-contact Low Profile Data connections.

DLPBH9F vs DLPIL9M

Both connectors belong to the Low Profile Data 9-contact family but serve different installation purposes.

DLPBH9F

• Nine female socket contacts
• Bulkhead mounting
• Fixed installation in equipment panels and underwater housings
• Suitable for subsea pressure-housing integration

DLPIL9M

• Nine male pin contacts
• In-line cable connector
• Cable-mounted configuration
• Suitable for connecting underwater Ethernet cable assemblies to bulkhead connectors

The DLPBH9F and DLPIL9M can be selected as a compatible bulkhead-and-cable connector combination.

Installation and Maintenance Guidelines

1. Verify Bulkhead Mounting Dimensions

Check the approved DLPBH9F engineering drawing, including the 7/16-20 UNF-2A mounting thread, panel thickness, sealing interface, and available installation space.

2. Select the Correct Bulkhead Material

Choose the appropriate bulkhead material according to operating depth, seawater exposure, mechanical requirements, and equipment housing compatibility.For the 300-bar configuration, select the specified PEEK bulkhead body.

3. Prepare the Mounting Surface

Ensure that the equipment mounting surface is clean, flat, and free from burrs, scratches, contamination, or other surface defects.

4. Inspect the O-Ring

Inspect the nitrile rubber O-ring for cuts, deformation, wear, and contamination before installation.

5. Install the Bulkhead Connector

Install the DLPBH9F according to the approved engineering drawing and manufacturer’s mounting procedure.Avoid excessive installation torque or mechanical loading that could damage the connector body or sealing components.

6. Perform Electrical Testing

Check electrical continuity, insulation resistance, contact resistance, Ethernet pair assignment, and screen termination before deployment.

7. Inspect the Female Socket Contacts

Inspect all nine female socket contacts for contamination, corrosion, mechanical damage, or foreign particles.

8. Align the Male Mating Connector

Align the DLPBH9F with its compatible male Low Profile in-line connector.Ensure that the keying features and contact positions are correctly aligned before mating.

9. Complete the Mating Operation

Perform mating according to the connector manufacturer’s procedures.Avoid forcing the connector or rotating the connector under excessive axial load.

10. Install the Low Profile Locking Strap

Install the compatible Low Profile locking strap and verify that the mated connector assembly is securely retained before underwater deployment.

11. Verify Ethernet Communication

Perform Ethernet continuity and communication tests using compatible network equipment.Verify the intended data rate and transmission performance before deployment.

12. Perform Hydrostatic Pressure Testing

Test the complete connector and equipment assembly according to the project-specific pressure qualification requirements.

13. Post-Deployment Maintenance

After exposure to seawater, inspect the connector body, bulkhead housing, O-ring, female electrical contacts, cable termination, and locking strap.Rinse exposed connector surfaces with fresh water after seawater recovery and maintain the connector according to the manufacturer’s recommendations.

Quality Control and Testing

Depending on the approved product configuration and project requirements, quality-control procedures may include:

• Visual inspection
• Dimensional inspection
• Bulkhead material inspection
• Mounting thread inspection
• O-ring inspection
• Nine-contact position verification
• Gold-plating inspection
• Electrical continuity testing
• Contact resistance testing
• Insulation resistance testing
• Ethernet pair continuity testing
• Ethernet communication testing
• Cable screen continuity testing
• Mating compatibility testing
• Locking strap inspection
• Hydrostatic pressure testing
• Post-pressure electrical performance verification
• Final product inspection

Electrical test reports, dimensional inspection reports, Ethernet test documentation, and hydrostatic pressure test records can be provided according to agreed project requirements.

Frequently Asked Questions

Q1: What is the DLPBH9F underwater connector?

The DLPBH9F is a nine-pin female Low Profile Data bulkhead connector designed for underwater Ethernet communication and compatible subsea electrical system integration.

Q2: How many contacts does the DLPBH9F have?

The DLPBH9F features nine female socket contacts.

Q3: What Ethernet protocol does the DLPBH9F support?

The standard Data Low Profile 9-contact configuration supports 1000BASE-T Gigabit Ethernet.

Q4: What is the maximum data transmission rate?

The reference data transmission rate is up to 1 Gbit/s.

Q5: What is the reference Ethernet transmission distance?

The official SubConn Data Low Profile specification identifies a reference transmission distance of up to 75 meters using a compatible cable assembly.

Q6: What is the voltage rating?

The official Data Low Profile 9-contact specification identifies a maximum voltage rating of 250 V DC/AC RMS.

Q7: What is the pressure rating?

The PEEK bulkhead body configuration has a reference depth rating of 300 bar / 4,350 psi. The official Data Low Profile specification also identifies a 600-bar open-face pressure qualification.

Q8: What contact arrangement does the connector use?

The nine-contact Ethernet arrangement consists of four twisted pairs and one dedicated cable screen connection.

Q9: What contact material does the DLPBH9F use?

The female socket contacts are made from gold-plated brass UNS C36000.

Q10: What is the connector body material?

The connector body is made from Chloroprene Rubber.

Q11: What bulkhead materials are available?

Reference bulkhead material options include brass, stainless steel, titanium, anodized aluminum, and PEEK.

Q12: Which bulkhead material is used for the 300-bar version?

The PEEK bulkhead configuration is the reference 300-bar depth-rated version.

Q13: Which locking accessory is compatible?

The DLPBH9F uses the compatible Low Profile locking strap made from Chloroprene Rubber.

Q14: Is the DLPBH9F suitable for ROV applications?

Yes. Its low-profile design and Gigabit Ethernet interface make it suitable for compatible ROV camera systems, communication equipment, sensor networks, and subsea electronic housings.

Q15: Is the DLPBH9F suitable for AUV applications?

Yes. It can be integrated into compatible AUV and micro-AUV equipment structures, communication systems, and sensor housings.

Q16: Is the DLPBH9F a wet-mateable connector?

The Low Profile Data connector family supports underwater mating operations, with more than 500 wet-mating cycles specified in the official technical documentation.

Q17: Which connector mates with the DLPBH9F?

The DLPBH9F is designed to mate with a compatible nine-contact male Low Profile in-line connector, such as DLPIL9M.

Q18: Can the connector be supplied with an Ethernet cable?

Yes. Compatible underwater Ethernet cable assemblies can be supplied according to cable length, cable construction, PUR jacket requirements, and termination specifications.

Q19: Does the bulkhead connector include an RJ45 connector?

The standard bulkhead lead reference uses a CAT 5E patch cable with an RJ45 connector supplied for termination, but the RJ45 connector is not installed on the underwater bulkhead itself.

Q20: Can the DLPBH9F support power and Ethernet together?

Power-and-Ethernet integration can be designed at the system level. The electrical arrangement must preserve the required Ethernet pair configuration and comply with the connector voltage and cable specifications.

Q21: Can hydrostatic pressure test reports be supplied?

Hydrostatic pressure testing and corresponding documentation can be arranged according to agreed project requirements.

Why Choose HYSF SUBSEA DLPBH9F?

The HYSF SUBSEA DLPBH9F 9-Pin Low Profile Subsea Hybrid Connector provides a compact underwater connectivity solution for applications requiring high-speed Ethernet communication and compatible electrical integration.Its principal features include:

• Nine female socket contacts
• Low Profile Data connector construction
• Compact female bulkhead design
• 1000BASE-T Gigabit Ethernet compatibility
• Up to 1 Gbit/s data transmission
• Reference transmission distance up to 75 m
• Four twisted Ethernet pairs
• Dedicated cable screen connection
• 250 V DC/AC RMS voltage rating
• 300-bar PEEK bulkhead depth rating
• 600-bar open-face pressure qualification
• Gold-plated brass UNS C36000 female contacts
• Chloroprene Rubber connector body
• Multiple bulkhead housing material options
• Nitrile rubber O-ring sealing
• More than 500 wet-mating cycles
• Low-profile panel installation
• Compatible Low Profile locking strap
• Compatible DLPIL9M male in-line connector
• Suitable for ROV and AUV equipment
• Suitable for underwater Ethernet camera systems
• Suitable for subsea communication equipment
• OEM engineering and cable assembly support

For ROV manufacturers, AUV developers, offshore engineering contractors, marine equipment manufacturers, and oceanographic research institutions, the DLPBH9F provides a practical nine-contact female bulkhead solution for compact underwater Ethernet and compatible power-system integration.Contact HYSF SUBSEA for product specifications, technical drawings, bulkhead mounting dimensions, compatible male mating connectors, locking straps, underwater Ethernet cable assemblies, PEEK bulkhead options, hydrostatic pressure testing, and quotations for the DLPBH9F 9-Pin Low Profile Subsea Hybrid Connector.