Xycom XVME-400 Manual page 52

XVME-400/40l/490/491 Manual
October, 1989
BACKPLANE CONNECTOR P2
The and XVME-491 have the rear-edge connector P2, which is a 96-pin bus
XVME-490
connector consisting of three rows of 32 pins each. (Row A is physically closest to the
board.) Table A-3 identifies the RS-232C P2 signals for the XVME-490, while Table A-4
shows the RS-485/422A
Pin #
1
2
3
4
5
6
7
8
9
1 0
11
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
20
2 1
22
23
24
25
26
27
28
29
30
3 1
32
signal names are in the form "XXXN"
All P2
number and "XXX" is the signal name. Signals with the same "XXX" function
identically with respect to the particular channel.
signals for the XVME-491.
Table A-3. P2 Signal Identification for XVME-490
Row A Signal
TXDO
RXDO
RTSO
RXCO Ch. 0
CTSO
DTRO
DCDO
TXCO
TXDl
RXDl
RTSl
RXCl Ch.1
CTSI
DTR 1
DCDl
TXCl
TXD2
RXD2
RTS2
RXC2 Ch. 2
C T S 2
DTR2
DCD2 .
TXC2
TXD3
RXD3
RTS3
RXC3 Ch. 3
CTS3
DTR3
DCD3
TXC3
Row B Signal
v c c
GND
N C
N C
N C
NC
N C
N C
N C
N C
N C
GND
v c c
N C
N C
N C
N C
N C
N C
N C
N C
GND
N C
N C
N C
N C
N C
N C
NC
N C
GND
v c c
NOTE
where "N" is the serial channel
A-7
Row C Signal
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND