ATC-105 RS-232 to RS-485/RS-422 Photoelectric Isolation Interface Converter

Product Summary:
ATC-105 is a compact and efficient RS-232 to RS-485/RS-422 photoelectric isolation interface converter designed for industrial environments with excellent ESD, lightning protection, and wide communication compatibility.

Key Features:

• Supports EIA/TIA RS-232C, RS-422, and RS-485

• Built-in photoelectric isolator with 3500VRMS isolation voltage

• 600W (RS-232) & 1000W (RS-422/RS-485) lightning surge protection

• Transmission speed: 0-115.2 kbps

• Transmission distance: up to 5 km

• Operation mode: Half/full duplex

• Compact plastic shell: 76mm x 54mm x 23mm

• Signal indication LEDs for TD, RD, and PWR

• Wide temperature operation: -20℃ to 70℃

Applications:

• Industrial automation & distribution systems

• Road traffic & CCTV monitoring

• Security & intelligent gate access systems

• Point-to-point & point-to-multipoint communication networks

Product Benefits:

• Easy RS-232 to RS-485/422 signal conversion

• High voltage isolation enhances device safety

• Built-in automatic direction control – no software changes required

• Multi-point communication with up to 128 devices

• Robust design ensures reliable operation in harsh environments

FAQs:

Q1: What type of devices can be connected with ATC-105?
A1: It can connect PCs, industrial computers, and portable systems to RS-485/RS-422 devices in industrial networks.

Q2: Does the ATC-105 require external power for RS-232 operation?
A2: No, RS-232 operation uses serial port power theft; external power is only needed for RS-485/422 modes.

Q3: Is software configuration needed for RS-485 control?
A3: No software modification is needed—ATC-105 provides fully transparent RS-485 communication.