AMC-2320 : Industrial USB to 2-Port RS-422/485 Converter
AMC-2320 : Industrial USB to 2-Port RS-422/485 Converter
  • Compliant USB 1.1/2.0 for up to 480Mbps transmission
  • 2-port RS-422/485 speed up to 921.6 Kbps
  • Supports terminator and biasing functions
  • 15KV ESD protection for all RS-422/485 signals
  • 3KV optical isolation between USB and RS-422/485 interface
  • Low power consumption with USB bus powered
  • USB Drivers provide for Windows and Linux operating system
  • Din-Rail mount or wall mount robust housing
  • Wide operating temperature (-40 to 70°C)
  • The RS-485/422 protocol has been widely used in most of industrial equipments for serial port communication. The USB interface also has been built in the personal computer or embedded system device. RS-485/422 and USB offer better transmission speed, wide range and networking capabilities. Hence, the AMC-2320, USB to 2-port RS-422/485 converter takes the important interface and popular to be deployed in the industrial communication network and higher reliable applications.
USB Drivers for Windows and Linux
  • The AMC-2320 provides USB drivers for Windows XP/Vista/7/8 and Linux operating system. It is easy to create two serial ports for monitoring and utilization.
Isolation and ESD protection
  • The AMC-2320 offers 3KV isolation protection between USB and RS-422/485 interfaces
  • However two ports RS-422/485 do not isolate each other. It also has 15KV ESD protection on all RS-422/485 signals and USB signals.
Serial mode, Terminator and Biasing functions
  • The AMC-2320 serial converter supports RS-422, half-duplex 2-wire RS-485 and full-duplex 4-wire RS-485 modes selection, it is easy to use in the serial multi-drop networking application. There are terminators and biasing resister for tuning networking characteristics.
Wide operating temperature
  • For most of industrial applications are harsh environment, all AMC-2320 series provide the operating temperature from -40 to 70°C, give you a reliable solution of a USB to RS-422/485 converter for wide temperature application.
Wall-mount or Din-Rail solution
  • The AMC-2320 provides wall-mount and DIN-Rail installation solutions; allow you easily screw it by wall mount screws or mount it on the DIN-Rail by DIN rail mount kit.
  • USB Interface
    Number of Ports: 1
    Compliance: USB1.1/ 2.0 compliant
    Connector: USB type B
    Speed: 480 Mbps (Hi-speed USB) and 12 Mbps (Full-speed USB)
    Indicator: Red for USB bus powered
  • Driver Support
    Windows(2000/XP/Vista/7/8 x86/x64)
    Linux 2.4, Linux (2.6 x86/x64)
  • RS-422/485 Interface
    Number of Ports: 2
    Connector: DB9 male
    Interface selection: setting by internal jumpers
    Terminator and Biasing functions: setting by internal jumpers
    RS-422 signals: TxD+, TxD-, RxD+, RxD-, GND
    RS-485 4-wire signals: TxD+, TxD-, RxD+, RxD-, GND
    RS-485 2-wire: Data+, Data-, GND
    Indicator: Green for TxD, Red for RxD
    Definition of pin-out (DB-9)
  • Port 1 Configuration
    JP1, JP2: Port 1 serial mode
    JP3: Port 1 terminator
    JP7, JP8: Port 2 biasing resistors
  • Port 2 Configuration
    JP4, JP5:Port 2 serial mode
    JP6: Port 2 terminator
    JP9, JP10: Port 2 biasing resistors
  • Connection Distance
    USB: 5 meters
    RS-422: 1200 meters (4000 feet)
    RS-485 2w/4w: 1200 meters (4000 feet), Max. 32 nodes
  • ESD Protection: ESD Contact 8KV, Air 15KV embedded
  • Optical Isolation: 3KV between USB and RS-422/485
  • Performance
    Baud rate: 300 to 921.6Kbps
  • Serial Parameters
    Data bits: 7, 8
    Stop bits: 1, 2
    Parity: None, Even, Odd, Space, Mark
    Flow control: RTS/CTS, XON/XOFF
  • Physical Characteristics
    Housing: SECC sheet metal (1mm), IP30 protection
    Dimension: 74 x 24.7 x 99 mm ( W x H x D)
    Weight: 241 g
  • Environment Operating
    Operating Temperature: -40 ~ 70°C (-40°F ~ 158°F)
    Operating Humidity: 20 ~ 85% @40°C, non-condensing
    Storage Temperature: -40 ~ 85°C (-40°F ~ 185°F)
    Storage Humidity: 10 ~ 90% @40°C, non-condensing
  • Safety and Certifications
    EMC: CE, FCC
    EMI: FCC Part 15 Class A, CE EN55022 Class A
    EMS: EN55024, EN61000-4-2/ 4-3/ 4-4/ 4-5/ 4-6/ 4-8/4-11
    Green Product: RoHS, CRoHS, WEEE
  • Power Requirements: 200mA@5V bus powered
  • Warranty: 1 years
Dimension Drawing
Ordering Information
Product Description
Operating Temperature
Isolation Protection
Industrial USB to 2-Port to RS-422/485 Converter with isolation
-40 ~ 70°C
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