Products Description
M12 D-Code Female to RJ45 Industrial Ethernet Cable
M12 D-Coded Female to RJ45 | Cat5e | PROFINET Type C | PUR | Drag Chain

The M12 D-Coded to RJ45 Industrial Ethernet cable provides a reliable network connection between field devices with a 4-pin M12 D-coded interface and controllers, switches or control equipment using a standard RJ45 Ethernet port. The assembly combines a straight M12 D-coded female jack with a straight RJ45 plug for factory automation, PLC & control systems, sensors, field devices and compatible PROFINET networks.
Built with shielded Cat5e PUR cable, this M12 D-coded to RJ45 Ethernet cable is engineered for demanding industrial environments involving continuous movement, repeated bending, vibration and abrasion. Its flexible construction makes the M12 to RJ45 drag chain cable suitable for dynamic machine applications with up to 3 million bending cycles according to the supplied cable specification.
Designed for PROFINET Type C applications, this PUR industrial Ethernet cable offers resistance to oil, UV, ozone, hydrolysis, abrasion, seawater, microbes, acids and alkalis. Standard cable lengths are 1 m, 2 m, 5 m and 10 m, while custom M12 D-coded to RJ45 cable lengths are available for OEM machinery and industrial automation projects.
Product Specifications
Item |
Specification |
|---|---|
| Product Name | M12 D-Code Female to RJ45 Industrial Ethernet Cable |
| Connector A | M12 D-Coded 4-Pin Female Jack, Straight |
| Connector B | RJ45 8P8C Male Plug, Straight |
| Connector Configuration | M12 D-Coded Female to RJ45 Male |
| M12 Coding | D-Coded |
| M12 Contacts | 4 Pin |
| RJ45 Contacts | 8P8C; Pins 1, 2, 3 and 6 Used |
| Unused RJ45 Pins | 4, 5, 7 and 8 Not Connected |
| Cable Category | Cat5e |
| Electrical Properties | Based on EN 50288-2-1 |
| Cable Jacket | PUR |
| Shielding | Shielded |
| Network Application | Industrial Ethernet / PROFINET |
| PROFINET Classification | Type C |
| Installation | Dynamic / Drag Chain |
| Drag Chain Performance | Up to 3 Million Bending Cycles |
| Additional Stated Compliance | RoHS; CMX-Verified; UN ECE R118 |
| Standard Lengths | 1.0 m / 2.0 m / 5.0 m / 10.0 m |
| Custom Lengths | Available on Request |
| Typical Applications | Factory Automation, PLCs, Industrial Switches, Controllers, Sensors, Robotics & Drag Chains |
Key Product Advantages
PROFINET Type C
Designed for dynamic Industrial Ethernet networks in factory automation, robotics and moving machinery requiring reliable PROFINET communication.
High-Flex Drag Chain Cable
Flexible PUR construction makes this M12 drag chain Ethernet cable suitable for repeated bending, vibration, abrasion and continuous machine movement.
M12-to-RJ45 Connectivity
The M12 D-coded female jack to RJ45 plug configuration provides a practical Ethernet link between rugged field devices and PLCs, industrial switches, controllers and other RJ45-based network equipment.
Pin Assignment & Wiring
M12 D-Coded 4-Pin Female to RJ45
According to the supplied wiring drawing, the four M12 D-coded Ethernet conductors are terminated to the corresponding Ethernet pairs on the RJ45 plug. RJ45 pins 4, 5, 7 and 8 are not connected in the supplied wiring diagram.
| M12 Pin | Wire Color | RJ45 Pin | Connection |
| Pin 1 | Yellow | Pin 1 | 1 → 1 |
| Pin 2 | White | Pin 3 | 2 → 3 |
| Pin 3 | Orange | Pin 2 | 3 → 2 |
| Pin 4 | Blue | Pin 6 | 4 → 6 |
The supplied pin assignment maps M12 Pin 1 to RJ45 Pin 1, M12 Pin 2 to RJ45 Pin 3, M12 Pin 3 to RJ45 Pin 2 and M12 Pin 4 to RJ45 Pin 6. This M12 D-coded to RJ45 pinout supports the shown Industrial Ethernet connection; always confirm the target equipment interface before installation.
Mating & Compatibility
M12 D-Coded to RJ45 Ethernet Interfaces
This M12 D-coded to RJ45 cable is intended to connect equipment using a compatible 4-pin M12 D-coded Ethernet interface to devices with a standard RJ45 Ethernet port. Typical connections include field devices to PLCs, industrial switches, controllers and protected network equipment.
| Cable Side | Configuration |
| Connector P1 | M12 D-Coded 4-Pin Female Jack, Straight |
| Connector P2 | RJ45 Male Plug, Straight |
| Network | Industrial Ethernet / PROFINET |
| Cable Performance | Cat5e |
| Installation | Static & Dynamic / Drag Chain Equipment |
Before ordering an M12 D-coded to RJ45 Ethernet cable, confirm the M12 D-coding, RJ45 interface, pin assignment, required cable length and network specification. Premier Cable can customize M12 to RJ45 cable lengths according to customer drawings and machine requirements.
Applications
Additional Application Areas
Factory Automation • PLC & Control Systems • Sensors & Field Devices • Industrial Robotics • Drag Chain Systems • Industrial Machinery • Machine Tools • PROFINET Networks • Industrial Ethernet Equipment
FAQ
What is an M12 D-coded Ethernet cable?
An M12 D-coded Ethernet cable uses a keyed 4-pin M12 circular interface for Industrial Ethernet communication in automation equipment, industrial machinery and compatible PROFINET networks.
What is the connector configuration of this cable?
This cable uses a straight M12 D-coded 4-pin female jack on one end and a straight RJ45 male plug on the other, creating an M12 D-Code female to RJ45 Industrial Ethernet cable.
Is this M12 cable suitable for PROFINET?
Yes. The supplied cable specification identifies the cable as PROFINET Type C and Cat5e for compatible Industrial Ethernet automation applications.
Can this M12 Ethernet cable be used in drag chains?
Yes. Its flexible PUR construction is designed for dynamic installations. The supplied cable specification indicates drag-chain suitability with up to 3 million bending cycles under specified operating conditions.
How is the M12 D-coded to RJ45 cable wired?
According to the supplied wiring diagram: M12 Pin 1 (yellow) connects to RJ45 Pin 1, M12 Pin 2 (white) to RJ45 Pin 3, M12 Pin 3 (orange) to RJ45 Pin 2, and M12 Pin 4 (blue) to RJ45 Pin 6. RJ45 pins 4, 5, 7 and 8 are not connected.
What are the conductor colors?
The supplied drawing specifies yellow for Pin 1, white for Pin 2, orange for Pin 3 and blue for Pin 4.
Where is an M12 D-coded to RJ45 cable used?
Typical applications include PLC & control systems, sensors & field devices, factory automation, industrial machinery, drag chains and compatible PROFINET equipment.
What standard cable lengths are available?
Standard variants include 1 m, 2 m, 5 m and 10 m. Other cable lengths can be customized according to project requirements.
Can Premier Cable provide custom M12 cable assemblies?
Yes. Premier Cable can customize cable length, labeling, connector configuration and other cable assembly requirements according to customer drawings.
What should be confirmed before ordering?
Please confirm the M12 D-coded mating interface, connector gender, pin assignment, required cable length, target equipment and installation conditions before ordering.
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