PRODUCTS > USB to RS-232/422/485 > DIN rail > USB2-4COMi-M CBL

USB2-4COMi-M CBL

 Products Manual
  • USB2-4COMi-M CBL
  • USB2-4COMi-M CBL
  • USB2-4COMi-M CBL
  • USB2-4COMi-M CBL
USB2-4COMi-M CBL - 4-Port RS-232/422/485 USB-to-Serial Adapter, Compact Metal Case with Extension Cable, DIN rail

Features

  • Adds four industrial RS-232, RS-422 or RS-485 serial ports by connecting to a USB port

  • Compact size box can be mounted to DIN rail conveniently

  • Extension spider cable with DB37 connector to 4 DB9 serial ports

  • Installed as standard Windows COM port

  • SECC metal chassis with DIN rail bracket

  • Hardware/software flow control

  • RS-232 data signals: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS

  • RS-422 data signals: TxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+, CTS-

  • RS-485 4-wire data signals: TxD-, TxD+, RxD+, RxD-

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

  • Automatic transmit and receive control for 2-wire RS-485 half-duplex mode

  • Termination resistors and biasing resistors built on board

  • Operation Modes :

    RS-232     Standard RS-232 Mode
    RS-422     4-wire with handshaking
    RS-485     4-wire full duplex
    RS-485     2-wire half duplex with echo
    RS-485     2-wire half duplex without echo

  • High speed serial port with the baud rate up to 921.6K bps

  • 128 byte transmit FIFO & 384 byte receive FIFO

  • Non-standard baudrates supported

  • LEDs of Power, TxD and RxD for easy port monitoring and diagnostics

  • Serial port protected with surge protection of 10KV

  • Powered by USB port, no external power adapter required

  • Easy plug and play installation and RS-232 device connection

  • COM port number assigned can be changed to any COM port number required

  • Works with USB 1.1 & 2.0 host port

  • Supports Windows 7, Vista, 2003, XP, 2000 and Linux
    USB2-4COMi-M CBL

USB Bus
Compliance USB 1.1/2.0 compatible
Speed 480 Mbps, hi-speed USB
FIFO 128 byte transmit FIFO
384 receive FIFO
   
Serial Interface
Port Type RS-232/RS-422/RS-485 selectable
Number of Ports 4
Connectors DB9 male
Extension cable DB37-to-4 DB9 cable, 30cm , or
DB37-to-4 DB25 cable,30cm
   
Serial Line Protection
ESD Protection 10KV
   
Serial Port Speed
Baudrate 300 bps to 921.6k 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-232 TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422 TxD-(A), TxD+(B), RxD+(B), RxD-(A), GND,
RTS-(A), RTS+(B), CTS+(B), CTS-(A)
RS-485-4 wire TxD-(A), TxD+(B), RxD+(B), RxD-(A), GND
RS-485-2 wire Data-(A), Data+(B), GND
   
Driver Support
OS Windows 7, Vista, 2003, XP (WHQL certified) and 2000
Linux Kernel 2.4 and up built-in support
   
Power Supply
Input Bus-powered
No external power adapter required
   
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 EN55022 Class B, EN55024, EN61000-3-2, EN61000-3
IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5,
IEC 61000-4-6, IEC 61000-4-8, IEC 61000-4-11.
CISPR PUB. 22 and FCC Part 15 Class B.
RS-232 & RS-422 & RS-485 DB-37 Female Connector Pin-outs

RS-232 DB-37 Female
     RS-232 Signal Pin-outs of DB-37 Female
  Pin Signal Pin Signal  
  1 .nc. 20 .nc.  
  2 DCD(3) 21 DTR(3)  
  3 GND 22 DSR(3)  
  4 CTS(3) 23 RTS(3)  
  5 RxD(3) 24 TxD(3)  
  6 .nc. 25 DCD(4)  
  7 DTR(4) 26 GND  
  8 DSR(4) 27 CTS(4)  
  9 RTS(4) 28 RxD(4)  
  10 TxD(4) 29 .nc.  
  11 DCD(2) 30 DTR(2)  
  12 GND 31 DSR(2)  
  13 CTS(2) 32 RTS(2)  
  14 RxD(2) 33 TxD(2)  
  15 .nc. 34 DCD(1)  
  16 DTR(1) 35 GND  
  17 DSR(1) 36 CTS(1)  
  18 RTS(1) 37 RxD(1)  
  19 TxD(1)      
RS-422 DB-37 Female
     RS-422 Signal Pin-outs of DB-37 Female
  Pin Signal Pin Signal  
  1   20 CTS- (3)  
  2 TxD- (3) 21 RxD- (3)  
  3 GND 22 RTS- (3)  
  4 CTS+(3) 23 RTS+(3)  
  5 TxD+(3) 24 RxD+(3)  
  6 CTS- (4) 25 TxD- (4)  
  7 RxD- (4) 26 GND  
  8 RTS- (4) 27 CTS+(4)  
  9 RTS+(4) 28 TxD+(4)  
  10 RxD+(4) 29 CTS- (2)  
  11 TxD- (2) 30 RxD- (2)  
  12 GND 31 RTS- (2)  
  13 CTS+(2) 32 RTS+(2)  
  14 TxD+(2) 33 RxD+ (2)  
  15 CTS- (1) 34 TxD- (1)  
  16 RxD- (1) 35 GND  
  17 RTS- (1) 36 CTS+(1)  
  18 RTS+(1) 37 TxD+(1)  
  19 RxD+(1)      
RS-485 DB-37 Female
     RS-485 4-Wire (Full duplex) Signal Pin-outs of DB-37 Female
  Pin Signal Pin Signal  
  1   20    
  2 TxD- (3) 21 RxD- (3)  
  3 GND 22    
  4   23    
  5 TxD+(3) 24 RxD+(3)  
  6   25 TxD- (4)  
  7 RxD- (4) 26 GND  
  8   27    
  9   28 TxD+(4)  
  10 RxD+(4) 29    
  11 TxD- (2) 30 RxD- (2)  
  12 GND 31    
  13   32    
  14 TxD+(2) 33 RxD+ (2)  
  15   34 TxD- (1)  
  16 RxD- (1) 35 GND  
  17   36    
  18   37 TxD+(1)  
  19 RxD+(1)      
 
     RS-485 2-Wire (Half duplex) Signal Pin-outs of DB-37 Female
  Pin Signal Pin Signal  
  1   20    
  2 Data- (3) 21    
  3 GND 22    
  4   23    
  5 Data+(3) 24    
  6   25 Data- (4)  
  7   26 GND  
  8   27    
  9   28 Data+(4)  
  10   29    
  11 Data- (2) 30    
  12 GND 31    
  13   32    
  14 Data+(2) 33    
  15   34 Data- (1)  
  16   35 GND  
  17   36    
  18   37 Data+(1)  
  19        
 
RS-232 & RS-422 & RS-485 DB9 Male

DB9 Male Connector Pin-outs

RS-232 Signal Pin-outs of DB-9 Male
  Pin Signal  
  1 DCD  
  2 RxD  
  3 TxD  
  4 DTR  
  5 GND  
  6 DSR  
  7 RTS  
  8 CTS  
  9 .nc.  
 

RS-422 Signal Pin-outs of DB-9 Male
 
  Pin Signal  
  1 TxD- (A)  
  2 TxD+(B)  
  3 RxD+(B)  
  4 RxD- (A)  
  5 GND  
  6 RTS- (A)  
  7 RTS+(B)  
  8 CTS+(B)  
  9 CTS- (A)  

RS-485 4-Wire (Full duplex) Signal Pin-outs of DB-9 Male

RS-485 2-Wire (Half duplex) Signal Pin-outs of DB-9 Male
  Pin Signal  
  1 TxD- (A)  
  2 TxD+(B)  
  3 RxD+(B)  
  4 RxD-(A)  
  5 GND  
  Pin Signal  
  1 Data- (A)  
  2 Data+(B)  
  5 GND  
 
RS-422 Signal Wiring
    Point-to-Point 4 Wire Full Duplex
USB2-4COMi-M CBL                                    RS-422 Device
    RS-422 with Handshaking
USB2-4COMi-M CBL                                   RS-422 Device
RS-485 Signal Wiring
    Point-to-Point 4-Wire Full Duplex
USB2-4COMi-M CBL                               RS-485 Device
    Multidrop RS-485 2-Wire Half-duplex
USB2-4COMi-M CBL                               RS-485 Device