Xycom XVME-400, Руководство пользователя

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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
1 1
12
13
14
15
16
17
18
19
.
20
21 .
22
23
24
25
26
27
28
29
30
31
32
Row A
Signal
Row B
Signal
Row
C Signal
TXDO+ v c c TXDO-
TXCO+ G N D
TXCO-
RTSO+ N C RTSO-
RXDO+
Ch. 0 N C RXDO-
RXCO+ N C
RXCO-
CTSO+ N C
CTSO-
DCDO+ N C DCDO-
GND
N C GND
T X D l + N C
TXDI-
T X C l + N C TXCl-
RTSl+ N C
RTSl-
RXDl+ Ch. 1 G N D RXDl-
RXCl+
v c c RXCl-
CTSl+ N C
I
CTSl-
DCDl+ N C DCDI-
GND N C GND
TXD2+ N C TXD2-
TXC2+ N C TXC2-
RTS2+ N C RTS2-
RXD2+
Ch. 2 N C RXD2-
RXC2+ N C
RXC2-
CTS2+ G N D CTS2-
DCD2+ N C DCD2-
G N D N C G N D
TXD3+ N C TXD3-
TXC3+ N C TXC3-
RTS3+ N C RTS3-
RXD3+ Ch. 3 N C RXD3-
RXC3+ N C RXC3-
CTS3+
N C CTS3-
DCD3+ G N D DCD3-
GND
v c c
G N D
NOTE
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.
2-16