Cable Gender Changer DeLOCK 87734

The Cable Gender Changer DeLOCK 87734 is a compact signal-level converter designed to bridge devices using RS-232 and LVTTL/LVCMOS 3.3 V interfaces. It provides a straightforward mechanical and electrical connection between two DB9 serial connectors, enabling direct conversion of RS-232 voltage levels to LVTTL/LVCMOS logic levels without requiring an external power source. The unit is finished in black with gold-plated contacts to ensure reliable conductivity and minimize contact resistance.

Advantages

This gender changer performs bi-directional level conversion between RS-232 and LVTTL/LVCMOS 3.3 V logic levels while fitting directly between two DB9 connectors, eliminating the need for cables or extra adapters. Gold-plated contacts improve signal integrity and corrosion resistance, and the compact form factor simplifies installation in tight spaces. The design does not require an additional power supply, which reduces wiring complexity and makes it convenient for field and bench setups.

Suitable for

• Connecting industrial controllers and PLCs to microcontrollers or development boards that use LVTTL/LVCMOS 3.3 V logic
• Interfacing RS-232 serial devices with level-shifted peripherals and sensors
• Temporary or permanent adaptations between two DB9-equipped devices without rewiring
• Prototyping, testing, and bench work where simple serial level conversion is needed

Key specifications

• Signal conversion: RS-232 to LVTTL / LVCMOS compatible 3.3 V levels
• Connector type: DB9 female-to-female form factor for direct connection between two DB9 connectors
• Contact plating: gold-plated contacts for improved conductivity and durability
• Power: operates without the need for an external power supply
• Color: black housing

How to use

Align the gender changer between the two DB9 connectors you wish to interconnect and screw it into place to ensure a secure mechanical and electrical connection. Once attached, the unit will convert RS-232 signal levels to LVTTL/LVCMOS 3.3 V logic levels compatible with the connected device. No additional configuration or external power is required; standard RS-232 signaling and the connected devices provide the necessary voltages for operation.

Recommendations

Use the adapter in dry, well-ventilated environments and ensure connectors are free from debris before mating. Verify signal direction and voltage compatibility of connected devices; this converter is intended for devices that accept LVTTL/LVCMOS 3.3 V logic levels on their serial inputs. For applications requiring isolation, surge protection, or extended cable lengths, consider additional protective components or specialized converters.