Technolec

Automatic Data Direction Control (ADDC) RS-485 data control
Automatic baudrate detection
RS-422 hardware flow control: CTS, RTS signals
LED indicators for power and signal status
RS-485 multidrop operation, up to 32 nodes
2 kV isolation protection (A53)
Built-in 120-ohm termination resistors

Serial Interface

• Connector: 10-pin RJ45
• Flow Control: RTS/CTS
• Isolation: 2 kV
• No. of Ports: 2
• RS-485 Data Direction Control: ADDC (automatic data direction control)
• Serial Standards: RS-232 RS-422 RS-485

Serial Signals

• RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
• RS-422: Tx+, Tx-, Rx+, Rx-, RTS+, RTS-, CTS+, CTS-, GND
• RS-485-4w: Tx+, Tx-, Rx+, Rx-, GND
• RS-485-2w: Data+, Data-, GND

Power Parameters

• Input Current: 195 mA @ 9 VDC
• Input Voltage: 9 to 30 VDC
• No. of Power Inputs: 1
• Overload Current Protection: Supported
• Power Consumption: 195 mA @ 9 VDC
• Source of Input Power: Power input jack

Physical Characteristics

• Housing: Plastic
• IP Rating: IP30
• Dimensions: 90 x 60 x 21 mm (3.54 x 2.36 x 0.83 in)
• Weight: 85 g (0.19 lb)
• Installation: Desktop

Environmental Limits

• Operating Temperature: 0 to 55°C (32 to 131°F)
• Storage Temperature (package included): -20 to 75°C (-4 to 167°F)
• Ambient Relative Humidity: 5 to 95% (non-condensing)

Standards and Certifications

• EMC: EN 55032/35
• EMI: CISPR 32, FCC Part 15B Class A
• EMS: IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m IEC 61000-4-4 EFT: Power: 1 kV; Signal: 0.5 kV IEC 61000-4-5 Surge: Power: 1 kV IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m IEC 61000-4-8 PFMF
• Environmental Testing: IEC 60068-2-1 IEC 60068-2-14 IEC 60068-2-2 IEC 60068-2-3
• Safety: EN 60950-1, IEC 60950-1
• Vibration: IEC 60068-2-6

MTBF

• Time: 1,870,854 hrs
• Standards: Telcordia (Bellcore), GB

Warranty

• Warranty Period: 5 years
• Details: See www.moxa.com/warranty

Available Models

Model No.	Description	Quantity
A52-DB9F w/o Adapter	RS-232/422/485 converter with DB9F cable
A53-DB9F w/ Adapter	RS-232/422/485 converter with 2 kV isolation, adapter, DB9F cable
A52-DB9F w/ Adapter	RS-232/422/485 converter with adapter, DB9F cable
A53-DB9F w/o Adapter	RS-232/422/485 converter with 2 kV isolation, DB9F cable
A52-DB25F w/o Adapter	RS-232/422/485 converter with DB25F cable
A52-DB25F w/ Adapter	RS-232/422/485 converter with adapter, DB25F cable
A53-DB25F w/ Adapter	RS-232/422/485 converter with 2 kV isolation, adapter, DB25F cable
A53-DB25F w/o Adapter	RS-232/422/485 converter with 2 kV isolation, DB25F cable