DLPBH9M 9-Pin Low Profile Male Bulkhead Subsea Ethernet Connector – 300 Bar

Product Overview

The HYSF SUBSEA DLPBH9M 9-Pin Low Profile Male Bulkhead Subsea Ethernet Connector is a compact underwater data connector designed for high-speed Ethernet communication in demanding subsea, offshore, marine, and underwater instrumentation applications.Belonging to the Data Low Profile connector family, the DLPBH9M features nine male electrical pin contacts and a compact bulkhead mounting structure. It provides a reliable Ethernet connection interface between subsea equipment, underwater pressure housings, marine instruments, and external underwater Ethernet cable assemblies.The Low Profile Data connector series is designed for applications where installation space is limited and reliable high-speed underwater data transmission is required. Its compact rectangular connector structure helps reduce the installation footprint on underwater equipment panels and pressure housings.Featuring nine male contacts, the DLPBH9M supports 1000BASE-T Gigabit Ethernet communication through four twisted pairs and one dedicated cable screen connection. It provides data transmission rates of up to 1 Gbit/s, with a reference transmission distance of up to 75 meters using a compatible underwater Ethernet cable assembly.The DLPBH9M is designed for integration into compact ROV systems, AUV platforms, underwater camera housings, subsea communication equipment, marine sensor networks, and underwater data acquisition systems.The connector features gold-plated beryllium copper male contacts, a molded Chloroprene Rubber connector body, and a bulkhead housing available in different material configurations. Bulkhead material options include brass, stainless steel, titanium, anodized aluminum, and PEEK.For applications requiring a 300-bar depth rating, the PEEK bulkhead body configuration provides a reference depth rating of 300 bar (4,350 psi), corresponding to approximately 3,000 meters of seawater depth.The official Data Low Profile 9-contact technical specifications also identify a qualified open-face pressure test of 600 bar (8,700 psi). These are separate pressure specifications and must not be interpreted as interchangeable operating limits.The DLPBH9M features a compact male bulkhead structure with an O-ring sealing arrangement. Its reference engineering drawing identifies an O-ring measuring Ø12.42 × 1.78 mm (2-014), supporting reliable sealing when installed in a compatible equipment mounting structure.The nine-contact electrical configuration provides four twisted Ethernet pairs and one dedicated screen connection. This makes the DLPBH9M particularly suitable for underwater Gigabit Ethernet communication, ROV video transmission, subsea monitoring, and marine data acquisition.The connector is designed to mate with compatible nine-contact female Low Profile in-line connectors, including the DLPIL9F configuration. A compatible Low Profile locking strap provides mechanical retention for the mated connector assembly.With its nine-pin male configuration, compact bulkhead structure, high-speed Ethernet capability, and 300-bar PEEK depth-rated option, the DLPBH9M provides a practical underwater connectivity solution for ROV systems, AUV platforms, subsea cameras, oceanographic instruments, and offshore monitoring equipment.HYSF SUBSEA provides low-profile underwater connectors, subsea Ethernet connectors, male bulkhead connectors, underwater data connectors, and customized subsea Ethernet cable assemblies for OEM manufacturers, ROV integrators, marine engineering companies, and offshore equipment suppliers.

Key Features and Benefits

1. Nine-Pin Male Bulkhead Configuration

The DLPBH9M features nine male electrical pin 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 data transmission systems.Key characteristics include:

• Nine male electrical pin contacts
• Nine-contact electrical configuration
• Male bulkhead connector design
• Data Low Profile connector construction
• Compact panel-mounted installation
• High-density electrical interface
• Four twisted Ethernet pairs
• Dedicated cable screen connection
• Compatible with corresponding female 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-pin male configuration provides a compact Ethernet connection interface for underwater equipment requiring high-speed data communication.

2. Low Profile Compact Design

The DLPBH9M features a low-profile connector structure designed for applications where available installation space is limited.Compared with conventional larger connector arrangements, its compact rectangular 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 DLPBH9M belongs to the SubConn Data Low Profile 9-contact connector family.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:

• 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. 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 DLPBH9M is primarily designed for underwater Ethernet data transmission and compatible electrical system integration.Typical applications include:

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

Actual operating voltage and electrical loading should follow the approved connector and cable configuration.

5. Nine-Contact Ethernet Wiring Configuration

The DLPBH9M provides nine male contacts arranged for four twisted Ethernet pairs and one dedicated cable screen connection.This configuration supports 1000BASE-T Gigabit Ethernet communication through a single compact underwater connector.The nine-contact arrangement consists of:

• Four twisted pairs for Ethernet data
• One dedicated screen connection

The four twisted pairs provide the signal paths required for Gigabit Ethernet communication, while the additional screen connection supports the cable shielding arrangement.This integrated configuration helps simplify underwater Ethernet connections and reduces the need for separate data connector interfaces.Typical applications include:

• Subsea Ethernet networks
• ROV camera communication
• Underwater video transmission
• Marine data acquisition
• AUV communication interfaces
• Subsea monitoring equipment
• Underwater computer networks
• Oceanographic data systems

The standard nine-contact Data Low Profile configuration does not provide separate dedicated power contacts. Any power-over-Ethernet or customized power integration must be evaluated separately against the approved wiring design.

6. 300 Bar PEEK Bulkhead Depth Rating

The DLPBH9M is available with a PEEK bulkhead body configuration for underwater applications requiring a 300-bar depth rating.Reference pressure specifications include:

• PEEK Bulkhead Depth Rating: 300 bar
• Pressure Equivalent: 4,350 psi
• Approximate Water Depth: 3,000 m
• Qualified Open-Face Pressure Test: 600 bar
• Open-Face Pressure Equivalent: 8,700 psi

The PEEK configuration provides a compact bulkhead connection solution for deepwater instruments, subsea sensor housings, ROV systems, and underwater electronic equipment.The 300-bar PEEK 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 Beryllium Copper Male Contacts

The DLPBH9M features nine male electrical pin contacts made from gold-plated beryllium copper according to the official SubConn Data Low Profile material specifications.Gold-plated beryllium copper contacts provide electrical conductivity, mechanical durability, and corrosion resistance for demanding underwater data communication applications.Key characteristics include:

• Nine male pin contacts
• Beryllium copper 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 male pin configuration is designed to mate with corresponding female socket contacts in compatible nine-contact Low Profile in-line connectors.

8. Chloroprene Rubber Connector Body

The DLPBH9M 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 DLPBH9M 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 specified PEEK bulkhead body configuration should be selected.

10. Nitrile Rubber O-Ring Sealing System

The DLPBH9M belongs to the Data Low Profile connector family, which uses nitrile rubber O-ring sealing components.The reference engineering drawing identifies the following O-ring dimensions:

• O-Ring Material: Nitrile Rubber
• Reference O-Ring Size: Ø12.42 × 1.78 mm
• O-Ring Reference Code: 2-014
• Sealing Configuration: Bulkhead Mount
• Application: Underwater equipment sealing

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
• Compact 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.

11. Low Profile Locking Strap

The DLPBH9M 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 official Data Low Profile drawing identifies an LPA locking strap with a reference length of 139.7 mm and Ø9.5 mm end holes.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 DLPBH9M 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, and equipment enclosure.

14. Standard Ethernet Cable and Screen Configuration

The DLPBH9M is designed for compatible nine-contact underwater Ethernet cable assemblies.The standard Data Low Profile cable specification includes:

• Cable Type: 4-Pair Ethernet Cable
• Conductor Size: 24 AWG
• Conductor Cross-Section: 0.20 mm²
• Cable Jacket: PUR
• Cable Screen: Tinned Copper Braid
• Ethernet Configuration: Four Twisted Pairs
• Additional Contact: Dedicated Screen Connection

The standard inline cable reference length is 100 cm.The cable screen helps provide a defined shielding arrangement for underwater Ethernet communication.Compatible cable assemblies can be configured according to cable length, jacket material, outside diameter, screen termination, and equipment integration requirements.

15. Nine-Pin Ethernet Wiring and Color Identification

The official SubConn Data Low Profile 9-contact 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 dedicated cable screen connection.These colour assignments are reference wiring information for the standard Data Low Profile Ethernet cable.Actual male and female contact numbering should be checked using the official mating face-view drawings before cable termination.

16. Compatible Female Mating Connector

The DLPBH9M is a nine-pin male bulkhead connector designed to mate with a compatible nine-contact female Low Profile in-line connector.The corresponding female in-line configuration is:

• DLPIL9F: 9-Pin Low Profile Female In-Line Connector

The compatible female connector should have:

• Nine female socket contacts
• Matching Low Profile mating interface
• Compatible nine-contact configuration
• Correct mechanical alignment
• Suitable Low Profile 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.

17. Suitable for ROV Systems

Remotely Operated Vehicles require reliable underwater connections for cameras, sensors, lighting, control electronics, and communication systems.The DLPBH9M provides a compact male bulkhead interface for compatible ROV Ethernet 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.

18. 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 DLPBH9M provides a low-profile male 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
• Underwater vehicle communication networks

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

19. Underwater Camera and Video Systems

Underwater cameras require dependable Ethernet connections for high-resolution video transmission, remote monitoring, and subsea image processing.The DLPBH9M 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.

20. 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 DLPBH9M 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.

21. 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 DLPBH9M provides a compact bulkhead connection for compatible underwater Ethernet systems.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 and available PEEK depth-rated configuration support integration into compatible subsea electronic enclosures.

22. 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 DLPBH9M supports compatible 1000BASE-T Gigabit 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.

23. 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 male bulkhead connectors
• Data Low Profile 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 female in-line connectors
• Ethernet cable assemblies
• PUR cable options
• Cable screen termination
• Customized cable lengths
• Technical drawings
• Electrical testing
• Ethernet communication testing
• Hydrostatic pressure testing
• OEM equipment integration

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

DLPBH9M Technical Specifications

• Brand: HYSF SUBSEA
• Model: DLPBH9M
• Connector Series: Data Low Profile
• Product Type: Low Profile Male Bulkhead Underwater Connector
• Number of Contacts: 9
• Contact Gender: Male Pin
• Data Protocol: 1000BASE-T Gigabit Ethernet
• Data Transmission Rate: Up to 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 / 8,700 psi
• 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
• Male Contact Material: Beryllium Copper
• Male Contact Plating: Gold-Plated
• O-Ring Material: Nitrile Rubber
• Reference O-Ring Size: Ø12.42 × 1.78 mm
• O-Ring Reference Code: 2-014
• Locking Strap Material: Chloroprene Rubber
• Reference Locking Strap: LPA
• Locking Strap Length: 139.7 mm
• Locking Strap Hole Diameter: Ø9.5 mm
• Inline Cable Reference: 4-Pair 24 AWG / 0.20 mm² PUR
• Cable Screen: Tinned Copper Braid
• Bulkhead 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 Male Bulkhead
• Mounting Style: Bulkhead / Panel Integration
• Mating Connector: Compatible Nine-Contact Female In-Line Connector
• Reference Mating Model: DLPIL9F
• Typical Applications: ROVs, AUVs, Underwater Cameras, Subsea Ethernet Networks, Marine Sensors, Oceanographic Instruments, and Offshore Monitoring Systems

Typical Applications of DLPBH9M

1. ROV Systems

Nine-pin male 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 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 male bulkhead connectors for Ethernet connections in subsea junction boxes and electronic enclosures.

DLPBH9M vs DLPBH9F

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

DLPBH9M

• Nine male pin contacts
• Male bulkhead connector
• Fixed installation in compatible equipment housings
• Designed to mate with a compatible female in-line cable connector
• Gold-plated beryllium copper male contacts
• Suitable for subsea Ethernet installations

DLPBH9F

• Nine female socket contacts
• Female bulkhead connector
• Fixed installation in compatible equipment housings
• Designed to mate with a compatible male in-line cable connector
• Gold-plated brass UNS C36000 female contacts
• Suitable for subsea Ethernet installations

Both configurations share the same Data Low Profile electrical specifications, Ethernet performance, pressure qualifications, and temperature ranges.

DLPBH9M vs DLPIL9F

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

DLPBH9M

• Nine male pin contacts
• Bulkhead mounting
• Fixed installation in equipment housings
• Suitable for subsea pressure-housing integration
• Male contact configuration

DLPIL9F

• Nine female socket contacts
• In-line cable connector
• Cable-mounted configuration
• Suitable for underwater Ethernet cable assemblies
• Female contact configuration

The DLPBH9M and DLPIL9F can be selected as a compatible male bulkhead and female cable connector combination.

DLPBH9M vs 13-Pin Power Data Low Profile Connector

The DLPBH9M is a nine-contact Data Low Profile Ethernet connector. It uses four twisted Ethernet pairs and one screen connection.For applications requiring separate power conductors and Gigabit Ethernet in the same connector, the 13-contact Power Data Low Profile configuration is a more appropriate reference design.The 13-contact Power Data configuration provides:

• Four twisted Ethernet pairs
• Four dedicated power conductors
• One screen connection
• 1 Gbit/s Ethernet data transmission
• 4 A per power contact
• 16 A maximum total power current
• 600 V DC/AC RMS power-wire rating
• 250 V DC/AC RMS data-wire rating
• 300-bar PEEK bulkhead depth rating

The appropriate model should be selected according to the required power voltage, current, Ethernet protocol, pin assignment, and installation dimensions.

Installation and Maintenance Guidelines

1. Verify Bulkhead Mounting Dimensions

Check the approved DLPBH9M engineering drawing, including the connector body dimensions, O-ring sealing interface, mounting arrangement, 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 DLPBH9M 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 Male Pin Contacts

Inspect all nine male pin contacts for contamination, corrosion, bending, mechanical damage, or foreign particles.

8. Align the Female Mating Connector

Align the DLPBH9M with its compatible nine-contact female DLPIL9F in-line cable 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 applying excessive mechanical loads to the male contacts.

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, male 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
• O-ring inspection
• Nine-contact position verification
• Gold-plating inspection
• Male pin contact 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 DLPBH9M underwater connector?

The DLPBH9M is a nine-pin male Data Low Profile bulkhead connector designed for underwater Gigabit Ethernet communication and subsea data transmission applications.

Q2: How many contacts does the DLPBH9M have?

The DLPBH9M features nine male electrical pin contacts.

Q3: What Ethernet protocol does the DLPBH9M 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 DLPBH9M use?

The male pin contacts are made from gold-plated beryllium copper.

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: What O-ring does the DLPBH9M use?

The reference engineering drawing identifies a nitrile rubber O-ring measuring Ø12.42 × 1.78 mm, reference code 2-014.

Q14: Which locking accessory is compatible?

The DLPBH9M uses the compatible Low Profile locking strap made from Chloroprene Rubber.

Q15: Is the DLPBH9M 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.

Q16: Is the DLPBH9M suitable for AUV applications?

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

Q17: Is the DLPBH9M a wet-mateable connector?

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

Q18: Which connector mates with the DLPBH9M?

The DLPBH9M is designed to mate with a compatible nine-contact female Low Profile in-line connector, such as DLPIL9F.

Q19: 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.

Q20: Does the bulkhead connector include an RJ45 connector?

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

Q21: Does the standard DLPBH9M provide separate power contacts?

No. The standard nine-contact Data Low Profile configuration uses eight contacts for four Ethernet twisted pairs and one contact for the cable screen. It does not provide separate dedicated power contacts.

Q22: Which connector should be selected for combined power and Ethernet?

For combined power and Gigabit Ethernet requirements, the 13-contact Power Data Low Profile connector is the more appropriate reference configuration. It provides four dedicated power conductors, four Ethernet twisted pairs, and one screen connection.

Q23: 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 DLPBH9M?

The HYSF SUBSEA DLPBH9M 9-Pin Low Profile Male Bulkhead Subsea Ethernet Connector provides a compact underwater connectivity solution for applications requiring reliable high-speed Ethernet communication.Its principal features include:

• Nine male electrical pin contacts
• Data Low Profile connector construction
• Compact male 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 option
• 600-bar open-face pressure qualification
• Gold-plated beryllium copper male contacts
• Chloroprene Rubber connector body
• Multiple bulkhead housing material options
• Nitrile rubber O-ring sealing
• More than 500 wet-mating cycles
• Compatible Low Profile locking strap
• Compatible DLPIL9F female in-line connector
• Suitable for compact subsea equipment
• Suitable for ROV and AUV systems
• 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 DLPBH9M provides a practical nine-pin male bulkhead solution for compact underwater Gigabit Ethernet connectivity.Contact HYSF SUBSEA for product specifications, technical drawings, bulkhead mounting dimensions, compatible female mating connectors, locking straps, underwater Ethernet cable assemblies, PEEK bulkhead options, hydrostatic pressure testing, and quotations for the DLPBH9M 9-Pin Low Profile Male Bulkhead Subsea Ethernet Connector.