PRODUCTS > USB to RS-485 > USB-4485-M

USB-4485-M

 
  • USB-4485-M
  • USB-4485-M
USB-4485-M - 4-Port Half-Duplex RS-485 USB-to-Serial Adapter with Power Output, Error Detection, Terminal Block, Compact Metal Case with DIN Rail Brackets

The USB-4485-M is an industrial-grade USB to 4-Port RS-485 Adapter designed to add four high speed Half-Duplex RS-485 communication ports to your Server or PC. Connecting to a USB port on your PC or USB hub, this USB to 4-Port RS-485 Adapter instantly adds four high speed RS-485 communication ports to your system with easy plug-and-play and hot-swapping features

Features

  • Adds four high speed half-duplex RS-485 serial ports via USB connection

  • USB 2.0 interface supports high speed 480 Mbps

  • Built-in 15KV ESD protection for each RS-485 port

  • 600W surge protection on all RS-485 bus

  • Compact palm-size SECC metal box with DIN rail brackets

  • Supports two operation modes: RS-485 half-duplex echo and non-echo mode

  • Installs as standard Windows® COM port

  • RS-485 2-wire signals: Data+, Data-, GND

  • COM port number can be changed to any available COM port number

  • Auto transmit buffer control for 2-wire RS-485 half-duplex operation

  • Provides failure warning when reverse connection or incorrect signals detected

  • Failed RS-485 port easily detected and located

  • Each RS-485 port with 2K byte receive buffer and 2K byte transmit buffer

  • Requires no IRQ, DMA, I/O port

  • Data rates: 300 bps to 921.6K bps. Non-standard baud rates supported.

  • Biasing resistor for RS-485: 1K ohm

  • Termination resistor: 120 ohm

  • RS-485 Connector: two 6-pin terminal block

  • RS-485 termination installed on-board, enabled or disabled by jumper

  • Four dual color monitor LEDs indicating operation modes, port status, activity and error

  • Supports two power output of +5VDC, 100mA, through Pin-1 (VCC) of terminal block, for external devices requiring power

  • External 4-pin DIP switch for easy setting of RS-485 echo/non-echo operation modes

  • Includes 12VDC power adapter with locking screw terminal power jack for reliable connection

  • USB cable of 90 cm (3 ft) locked to the metal case for added security

  • Two mounting holes on the bottom of metal case for optional DIN rail mounting adapter for alternative mounting onto DIN rail

  • work with USB 1.1, 2.0 and 3.0 host or USB hub

  • Supports Windows 8.1 (WHQL Certified), 7, Server 2008, 2003, Vista, XP, 2000, Linux, Mac OS X

    USB-4485-SI-M

Serial Interface
Input (upstream) 1 RS-232 channel: Data+, Data-;
or 1 RS-485 channel: TxD, RxD, GND
Output (downstream) 4 RS-485 channels: Data+, Data-
Number of Ports 4 RS-485 ports
Connectors 6-pin terminal block for upstream
10-pin terminal block for downstream
   
Serial Interface
Input (upstream) 1 RS-232 channel: Data+, Data-;
or 1 RS-485 channel: TxD, RxD, GND
Output (downstream) 4 RS-485 channels: Data+, Data-
Number of Ports 4 RS-485 ports
Connectors 6-pin terminal block for upstream
10-pin terminal block for downstream
   
Serial Line Protection
ESD Protection 15KV
Optical Isolation 3000V DC on CH1 to CH4
2-way isolation
   
Serial Port Speed
Baud rate 300 bps to 230400 bps
   
Serial Communication Parameters
Data Bits 5, 6, 7, 8
Stop Bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control RTS/CTS, XON/XOFF
   
Serial Signals
RS-485-2 wire Data- (A), Data+ (B), GND
Automatic RS-485 transmit and receive control
   
Driver Support
OS No driver installation required
Works in all types of operation systems
   
Power Supply
Input Self-powered
Power adapter of 12 VDC, 2A.terminal type with screws
Range of AC or DC input from +9 VDC to +48 VDC
   
Mechanical
Chassis SECC metal chassis with DIN rail bracket
   
Environmental
Operating Temperature 0 to 55 °C (32 to 131 °F)
Operating Humidity 5 to 95% RH
Storage Temperature -20 to 75 °C (-4 to 167 °F)
Safety Approvals CE, FCC