https://cablematic.com/en/products/rs232-to-rs485-converter-TI032/
RS232 to RS485 converter
- Small size RS-485 to RS-232 converter.
- Includes RXD and TXD status LEDs.
- Based on DB25-Female (RS232) and RJ11-Female x 2 (RS485) type connectors.
- It is fed from the interface itself or through a 9VDC 100mA power supply (not included).
- Transmission speed of 100Kbps at 1000m.
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- Small size RS-485 to RS-232 converter.
- Includes RXD and TXD status LEDs.
- Based on DB25-Female (RS232) and RJ11-Female x 2 (RS485) type connectors.
- It is fed from the interface itself or through a 9VDC 100mA power supply (not included).
- Transmission speed of 100Kbps at 1000m.
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More info
Small size RS-485 to RS-232 converter ideal for connecting interfaces. It is equipped with RXD and TXD status LEDs, DB25-Female (RS232) and RJ11-Female x 2 (RS485) type connectors, and can be powered by the interface itself or by a 9VDC 100mA power supply (not included). In addition, it offers a transmission speed of 100Kbps at 1000m, high impedance when the power is disconnected, and Asynchronous, Half-Duplex and Full-Duplex modes. The adapter can support up to 32 devices on the RS485 bus, and has a 85x53x24mm plastic casing and a weight of 60g.
Specifications
- Small size RS-485 to RS-232 converter.
- Includes RXD and TXD status LEDs.
- Based on DB25-Female (RS232) and RJ11-Female x 2 (RS485) type connectors.
- It is fed from the interface itself or through a 9VDC 100mA power supply (not included).
- Transmission speed of 100Kbps at 1000m.
- Adapter with high impedance even when the power is disconnected.
- Asynchronous, Half-Duplex and Full-Duplex modes.
- Allows 32 adapters on the RS485 bus.
- Plastic shell.
- Size of 85x53x24mm and weight of 60g.
- Ideal for remote control applications, communications between equipment, etc.
- Compatible with communication protocols such as RS422, RS485, etc.
- Connection to the PC's RS232 serial port.
- Gross Weight: 80 g
- Product size (width x depth x height): 9.0 x 5.0 x 2.0 cm
- Number of packages: 1
- Packages size: 13.0 x 10.0 x 4.0 cm
Technical terms
- Impedance
- Communication Series
- Parallel
- RJ11
- RS232
- RS485
Impedance (Z) is the total opposition that a circuit offers to alternating current (AC) flow when a specific voltage is applied.
Unlike simple resistance, impedance is a complex quantity comprising resistance (the real part) and reactance (the imaginary part, representing inductive or capacitive effects). In the frequency domain, impedance is represented as a phasor, accounting for both magnitude and phase shift between voltage and current. In DC circuits, impedance reduces to pure resistance with zero phase angle.
| Parameter | Technical Spec |
|---|---|
| Symbol | Z |
| Unit | Ohm (Ω) |
Impedance management is critical in high-speed hardware design and signal integrity. In modern PCB manufacturing, controlled impedance ensures that high-frequency signals reach their destination without reflections, which is vital for PCIe or DDR5 performance.
Complex Domain Analysis
Mathematical modeling of impedance using the j-operator allows engineers to optimize filter performance and resonance characteristics in electronic systems.
Key Advantages
- Maximum power transfer through impedance matching.
- Minimized signal reflections in high-frequency transmission lines.
- Improved electromagnetic compatibility (EMC).
Note: Impedance is the cornerstone of modern AC circuit theory and high-frequency design.
