Description

The RS-232C to RS-485 Interface Converter enables remote digital communication between computers and intelligent instruments using standard series interfaces. It converts unbalanced RS-232 signals to balanced RS-485 signals, extending communication distances up to 1.2 km without requiring external power. This converter supports seamless integration with existing software and hardware without altering RS-232 programs. It is suitable for various applications, including industrial automation, access control, car parking systems, ATM networks, bus fare systems, and more.

Capabilities

Interface Features:

• RS-232C, RS-485 standard interfaces
• Compatible with EIA/TIA

Electrical Interface:

• RS-232 end: DB9 hole connector
• RS-485 end: DB9 pin connector with connection pole

Working Mode:

• Asynchronous half-duplex differential transmission

Transmission Media:

• Twisted-pair or STP

Transmission Rate:

• 300 to 115.2 kbps

External Discharge Dimension:

• 63mm x 33mm x 17mm

Operating Conditions:

• Temperature: -25°C to 70°C

• Humidity: 5% to 95% relative humidity

Transmission Distance:

• 1,200 meters (RS-485 end)

• 5 meters (RS-232 end)