RS232 vs RS485-Difference between RS232 and RS485
This page describes on RS232 vs RS485 describes difference between RS232 and RS485 interface types and provide links to RS422, SPI, CAN, DigRF interface types.
| Specifications | RS232 | RS485 |
| Max.Distance Supported | About 50 feet | About 4000 feet |
| Max Data rate supported | About 20 Kbps | 100 kbps to 10 Mbps |
| Application | 1 Driver with 1 Receiver (One to one) | 1 Driver and multiple receiver(about 32),multi-drop configuration |
| Voltage for logic 1 and logic 0 | Logic 0 is between +5 to +15 VDC, Logic 1 is between -5 to -15 VDC | Loaded +/-1.5VDC, Unloaded +/-6VDC |
| Interface mode of operation | Single ended | Differential or balanced |
| driver load impedance in Ohms | 3K-7K Ohms | 54 Ohms |
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