ADLINK cPCI-3538 User Manual
Page 12
 
6
• Introduction
RS-232
FG
: Frame
Ground
TX
: Transmit
Data
RX : Receive
Data
RTS :
Request to Send
CTS
:
Clear to Send
DSR :
Data Set Ready
SG
: Signal
Ground
DCD :
Data Carrier Detect
DTR :
Data Terminal Ready
RS-422
TXD+ : Transmit
Data
Positive
TXD- : Transmit
Data
Negative
RXD+ : Receive
Data
Positive
RXD- : Receive
Data
Negative
RS-485
D+ :
Data Signal Positive
D- :
Data Signal Negative
cPCI-R3534 Rear I/O Daughter Board (Rear I/O function only for 
cPCI3534R) 
The cPCI-R3534 rear I/O daughter board provides a rear I/O connection 
transition, the connector and cable used in the rear is the same as the 
front. 
DIP Switch and Jumper Setting
SW1 ON OFF
SW1-1 Card1 Card2 
SW1-4 RS-422 RS-485 
The JP1 is for the RS422 terminator and the JP2 is for the RS-485 
terminator. The terminator is ON while the jumper is ON.