EFB Elektronik EB411 D-Sub 9 F/F Coupler

The EFB Elektronik D-Sub 9 F/F Connector EB411 is a compact gender changer with two D-Sub 9-pin female connectors in a metallic yellow housing. It adapts one D-Sub 9 female plug to another D-Sub 9 female plug, enabling connection of cables or conversion between serial and parallel D-Sub interfaces while saving space.

Advantages

This mini adapter provides a simple and space-saving solution to connect two D-Sub 9 female-ended cables or to convert between compatible serial and parallel D-Sub 9 interfaces. The metallic yellow housing offers mechanical stability and helps protect contact alignment for reliable data transmission. Its compact design is suitable for tight installation spaces.

Suitable for

• Connecting two D-Sub 9 female-ended cables
• Adapting D-Sub 9 serial and parallel interfaces
• Use in compact or crowded equipment racks and panels
• Temporary cable joins for testing and troubleshooting

Key specifications

• Brand: EFB Elektronik
• Model / MPN: EB411
• Connector 1: D-Sub 9-pin (female)
• Connector 2: D-Sub 9-pin (female)
• Colour: Metallic yellow
• Category: Cable interface and gender adapters
• EAN: 4049759052294

How to use

Align the D-Sub 9 female connectors on the adapter with the male D-Sub 9 plugs on your cables or devices and mate them until the connector seats fully. If the connected cables include screws or thumbscrews, secure them to ensure a stable mechanical and electrical connection. Use the adapter only with compatible D-Sub 9 connectors and avoid forcing incompatible plugs into the adapter.

Recommendations

Use the EB411 in low-stress, dry environments and avoid exposing the adapter to excessive mechanical strain. For permanent installations or where shielding and grounding are required, consider using a full D-Sub extension cable or a bolted connector assembly designed for the specific application.