Cable Gender Changer ShiverPeaks BS78421

The ShiverPeaks BS78421 cable gender changer adapts a D-sub 25-pin connection to a D-sub 9-pin connection in a compact, single-piece adapter. It provides a straightforward mechanical solution for mating devices with different D-sub connector types without rewiring or replacing existing cables. The adapter uses nickel-plated contacts to improve contact durability and maintain electrical conductivity, and its grey housing suits office, industrial, and laboratory environments where neutral aesthetics are preferred.

Advantages

This gender changer offers a simple and space-saving way to connect equipment with D-sub 25-pin and D-sub 9-pin interfaces. Nickel-plated contacts increase resistance to corrosion and help preserve signal integrity over repeated connections. The single-piece design eliminates the need for bulky adapters or custom cabling, and the small form factor enables installation in tight spaces behind equipment racks and desks.

Suitable for

• Connecting legacy RS-232/serial devices to equipment with differing D-sub pin counts
• Cross-adapting peripherals and instrumentation in labs and workshops
• Temporary or permanent connections in industrial control panels and test benches
• Field service and repair tasks where quick interface adaptation is required

Key specifications

• Connector types: D-sub 25-pin to D-sub 9-pin
• Contact plating: nickel-plated contacts for corrosion resistance
• Housing color: grey
• Form factor: compact, single-piece gender changer
• Intended signal type: compatible with standard serial/parallel D-sub interfaces

How to use

To use the gender changer, align the D-sub 25-pin end with the corresponding connector and press gently until the connector seats. Attach the D-sub 9-pin mating connector on the opposite side in the same manner. Ensure screws or fastening hardware on D-sub connectors are secured if present to maintain stable connections. Verify signal compatibility between connected devices before powering equipment to avoid mismatched pinouts or unintended electrical contact.

Recommendations

Use the adapter in dry, clean environments and avoid exposing it to excessive mechanical stress. For mission-critical applications, confirm pinout compatibility or consult device documentation to ensure proper signal mapping when adapting between different D-sub connector counts.