Xycom XVME-400 Manual page 27

XVME-400/40l/490/491 Manual
October, 1989
2.5.2.2
P2 Connector Pinouts on the XVME-491 (RS-485/422A)
Table 2-11 shows the XVME-491 pinouts for connector P2. These signals meet the
RS-485/422A and VMEbus specifications.
T-able 2-11. XVME-491 Rear Edge P2 Connector Pin Definitions
Pin #
1 .
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
.
19
20
21 .
22
23
24
25
26
27
28
29
30
31
32
All XVME-401 signal names are in the form "XXNZ", where "N" is
the channel number, "Z" is + or - based on which half of the signal
it is, and "XX" is the name of the signal.
Signal
Row A
TXDO+
TXCO+
RTSO+
RXDO+
Ch. 0
RXCO+
CTSO+
DCDO+
GND
T X D l +
T X C l +
RTSl+
RXDl+ Ch. 1
RXCl+
CTSl+
DCDl+
GND
TXD2+
TXC2+
RTS2+
RXD2+ Ch. 2
RXC2+
CTS2+
DCD2+
G N D
TXD3+
TXC3+
RTS3+
RXD3+ Ch. 3
RXC3+
CTS3+
DCD3+
GND
NOTE
2-16
Signal
Row B
v c c
G N D
N C
N C
N C
N C
N C
N C
N C
N C
N C
G N D
v c c
N C
N C
N C
N C
N C
N C
N C
N C
G N D
N C
N C
N C
N C
N C
N C
N C
N C
G N D
v c c
C Signal
Row
TXDO-
TXCO-
RTSO-
RXDO-
RXCO-
CTSO-
DCDO-
GND
TXDI-
TXCl-
RTSl-
RXDl-
RXCl-
CTSl-
I
DCDI-
GND
TXD2-
TXC2-
RTS2-
RXD2-
RXC2-
CTS2-
DCD2-
G N D
TXD3-
TXC3-
RTS3-
RXD3-
RXC3-
CTS3-
DCD3-
G N D