ADLINK cPCI-3538 User Manual
Page 13
Introduction
• 5
J2 connector pin assignment in cPCI-3534 module for RS-232/422/485
interface.
22
GND
GA4
GA3
GA2
GA1
GA0
GND
21
GND
GND
20
GND
GND
19
GND
FG
N+
N-
SG
GND
18
GND
GND
17
GND
GND
16
GND
TXD+
TXD-
SG
GND
15
GND
FG
RXD+
RXD-
GND
14
GND
GND
13
GND
GND
12
GND DSRŽ SGŽ DCDŽ DTRŽ
GND
11
GND
FGŽ
TXŽ
RXŽ
RTSŽ CTSŽ GND
10
GND
GND
9
GND
GND
8
GND DSR• SG• DCD• DTR•
GND
7
GND
FG•
TX•
RX•
RTS• CTS• GND
6
GND
GND
5
GND
GND
4
GND DSRŒ SGŒ DCDŒ DTRŒ
GND
3
GND
FGŒ
TXŒ
RXŒ
RTSΠCTSΠGND
2
GND
GND
1
GND
GND
Pin
Z
A
B
C
D
E
F
P2
/
J2
C
O
N
N
E
C
T
O
R
ŒPort A •Port B ŽPort C
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