PRODUCTS > PCI Express I/O Cards > PCIe-400i-SI

PCIe-400i-SI

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PCIe-400i-SI - 4-Port PCI Express to RS-422/485 Card with Optical Isolation

Features

  • Adds four high speed RS-422/485 ports by connecting to a PCI Express bus

  • Data rates up to 921.6kbps

  • 256 bytes transmit and receive FIFO buffer

  • Automatic RTS/CTS and DTR/DSR hardware flow control with programmable hysteresis

  • Automatic Xon/Xoff software flow control

  • 15kV ESD protection and 600W surge protection for all signals

  • 3000V DC optical isolation for all signals

  • Wide ambient temperature operation from 0°C to 60°C (32°F to 140°F)

  • PCI Express 2.0 Gen 1 compliant

  • PCI Express 1 Lane compliant

  • 16C550 compability

  • CE, FCC approval

  • Drivers provided for Windows and Linux OS

PCIe-400i-SI
 
General
Bus PCI Express; Single-Lane (×1)
Chipset EXAR XR17V354
Interface RS-422/485
Plug & Play Supported
IRQ & IO Address Assigned by system BIOS
   
Serial Port
Number of Ports Four
Connectors & Cables One DB37 female connector
RS-422 Signals TxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+, CTS-
RS-485 Signals TxD-, TxD+, RxD+, RxD- (4 wire), Data-, Data+ (2 wire)
Max. Bitrates 921.6kbps
Serial Configuration Data bits: 5, 6, 7, 8
Parity: None, Odd, Even, Mark, Space
Stop bits: 1, 1.5, 2
UART FIFO Buffer Size Each port with 256 bytes FIFO for transmit & receive
Protection 15kV ESD protection and 600W surge protection for all serial signals
3000V DC optical isolation for all serial signals
   
Environment
Operating Temperature 0°C to 60°C
Storage Temperature -40°C to 85°C
Humidity 0 to 80% RH, Noncondensing
Safety Approvals CE, FCC
   

DB9 Male Connector Pin-outs
 
RS-422 Pin-out for DB9 Connector
  Pin Signal Description  
  1 TxD- Transmit Data, negative polarity  
  2 TxD+ Transmit Data, positive polarity  
  3 RxD+ Receive Data, positive polarity  
  4 RxD- Receive Data, negative polarity  
  5 GND Signal Ground
 
  6 RTS- Request to Send, negative polarity  
  7 RTS+ Request to Send, positive polarity
 
  8 CTS+ Clear To Send, positive polarity  
  9 CTS-
Clear To Send, negative polarity  
 
RS-485 Full Duplex (4 wire) Mode Pin-out for DB9 Connector
  Pin Signal Description  
  1 TxD- Transmit Data, negative polarity  
  2 TxD+ Transmit Data, positive polarity  
  3 RxD+ Receive Data, positive polarity  
  4 RxD- Receive Data, negative polarity  
  5 GND Signal Ground
 
 
RS-485 Half Duplex (2 wire) Mode Pin-out for DB9 Connector
  Pin Signal Description  
  1 Data- Transmit/Receive Data, negative polarity  
  2 TxD+ Transmit/Receive Data, positive polarity  
  5 GND Signal Ground  
 
 
Pin RS-422 Mode RS-485 "4W" Mode RS-485 "2W" Mode
1 .NC.    
2 TxD-(3) TxD-(3) Data-(3)
3 Ground Ground Ground
4 CTS+(3)    
5 TxD+(3) TxD+(3) Data+(3)
6 CTS-(4)    
7 RxD-(4) RxD-(4)  
8 RTS-(4)    
9 RTS+(4)    
10 RxD+(4) RxD+(4)  
11 TxD-(2) TxD-(2) Data-(2)
12 Ground Ground Ground
13 CTS+(2)    
14 TxD+(2) TxD+(2) Data+(2)
15 CTS-(1)    
16 RxD-(1) RxD-(1)  
17 RTS-(1)    
18 RTS+(1)    
19 RxD+(1) RxD+(1)  
20 CTS-(3)    
21 RxD-(3) RxD-(3)  
22 RTS-(3)    
23 RTS+(3)    
24 RxD+(3) RxD+(3)  
25 TxD-(4) TxD-(4) Data-(4)
26 Ground Ground Ground
27 CTS+(4)    
28 TxD+(4) TxD+(4) Data+(4)
29 CTS-(2)    
30 RxD-(2) RxD-(2)  
31 RTS-(2)    
32 RTS+(2)    
33 RxD+(2) RxD+(2)  
34 TxD-(1) TxD-(1) Data-(1)
35 Ground Ground Ground
36 CTS-(1)    
37 TxD+(1) TxD+(1) Data+(1)