Description
Product Description: USB to High Speed 4 port RS-232/422/485 Adapter. With DIN Rail kit
Item Number: FTDI-US340
Features and Benefit
Expands 4 RS-232 or RS422 or RS485 com ports for your system
High Speed Baud Rate up to 921.6Kbps
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
480 Mbps USB Data Rate
Transmit and Receive LED supports
Built-in 15KV ESD protection for all RS-232 port
Supports Industrial Specification
TX buffer 2K bytes and RX buffer 2K bytes per Channel
Supports Microsoft Windows, Linux, and MAC drivers
RS422/485 Signal 600W Surge Protection
Max 10 Device Connectivity for RS422 Multi-Drop Mode
Max 32 devices connectivity for RS485 mode
Easy to use setting Dip Switch for selecting RS232/422/485 mode
Automatic toggling by hardware RS485 2W and RS485 4W(RS422 Multi-Drop mode)
Specification
Hardware
Communication controller: FTDI – USB to Serial Controller
Device Connector: DB9M x 4
Host Connector: USB B Type
Serial Interface
Number of ports: 4 port
Serial Standard: RS-232/422/485
IRQ and I/O Address: Assigned by BIOS
Serial Line Protection
ESD Protection: 15KV ESD Protection for all signals
Surge Protection: 600W Surge for RS422/485 Signal
Performance
Baud rate: up to 921.6 Kbps
FIFOs: TX Buffer 2Kbytes, RX Buffer 2K bytes
Serial Communication Parameters
Data Bits: 7, 8
Stop Bits: 1, 2
Parity: None, Even, Odd, Space, Mark
RS232 Flow Control: RTS/CTS, XON/XOFF
Serial Signals
RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND,
RS-422: Tx+, Tx-, Rx+, Rx-, GND
4 Wire RS-485(RS-422 Multi-Drop): Tx+, Tx-, Rx+, Rx-, GND
RS-485(2 Wire RS-485) : Data+, Data-, GND
Driver Support
Windows: XP, 2003, Vista, 2008, Win 7, Win 8
Linux: 2.4 and 2.6
MAC: 8/9/X
Physical Characteristics
Housing: PC
Environmental Limits
Operating Temperature: -30 ~ 75℃
Storage Temperature: -40 ~ 85℃
Ambient Relative Humidity: 5 ~ 95% Non-Condensing
Standards and Certifications
CE and FCC supports
Product Production
Production: Made in Taiwan
Product Location: Taipei, Taiwan
Package Content
USB to 4 port RS-232 Adapter x 1
DIN Rail Kit x 1
USB B Type to USB A type Cable x 1
Quick Instill Guide x 1
Driver CD x 1
