Delock RS-232 DB9 to RS-485 Converter with ESD Protection

Delock RS-2702 DB4 to RS-9 Converter – Serial Adapter with ESD Protection

The Delock RS-9 to RS-1585 converter bridges serial communication between DB9 and RS-15 interfaces, enabling reliable data transmission across different serial standards.

• ESD protection of 3 kV safeguards connected equipment against electrostatic discharge
• 4-pin terminal block design ensures secure and stable connections
• Compact adapter format fits standard industrial and PC setups
• 4 months manufacturer warranty provides long-term investment security

What sets the Delock RS-232 to RS-4 converter apart

Unlike simple cable adapters, this converter actively translates between two distinct serial protocols — RS-232 and RS-485 — making it essential for setups that mix legacy DB9 equipment with RS-485 bus systems. The integrated ESD protection adds a layer of safety for sensitive electronics in industrial environments.

Ideal for...

Industrial automation setups, laboratory equipment, and PC-based control systems that require serial communication between RS-232 and RS-485 devices. Suitable for engineers and technicians working with mixed serial interfaces in production or testing environments.

Application of the Delock RS-232 to RS-485 Converter

1. Connect the DB9 side to an RS-232 device such as a PLC, sensor, or computer serial port
2. Connect the RS-485 side to the RS-485 bus or controller
3. Ensure proper grounding for optimal ESD protection performance
4. Secure the terminal block connections before powering the system