ADLINK cPCI-3538 User Manual
Page 14
 
6
• Introduction
RS -485
N+: Data Signal Positive 
N-: 
Data Signal
Negative
R-3534 Rear IO Daughter Board
The R-3534 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 
1.3 Overview of cPCI-3538
1.3.1 What is cPCI-3538?
The cPCI-3538 is an enhanced eight ports serial communication card 
used for cPCI platform. It includes a PGA, which supports the serial 
communication controller, and a 62-pin connector which connects 
external I/O port on the front panel or the rear IO. 
The expansion cable has eight standard DB25 connectors and one DB62 
connector to connect to cPCI-3538 interface card. User may also use 
one DB62 to DB62 cable to connect between one cPCI-3538 and 
C588XB for providing 8 channel isolated RS-232/422/485 interface. 
The R -3538 transition board can support rear IO connection by using one 
DB62 connector. 
1.3.2 Feature of cPCI-3538
§
32-bit CompactPCI form factor
§
PCI Rev.2.1 Plug and Play
§
IRQ and IO address automatically assigned by PCI plug-and-play
§
8 communication ports intelligent buffer
§
High Speed Communication (max. 115200 bps)
§
Suitable for modems, data display, data collection,