MVME7616E Transition Module Installation and Use (6806800A43B
)
Connector Pin Assignments
Asynchronous Serial Port Connectors (J5/J6)
36
4.3
Asynchronous Serial Port Connectors (J5/J6)
The interface for the asynchronous serial ports, COM1 and COM2, is provided with two
standard DB9 connectors, J5 and J6. The connector shields for these ports are tied to chassis
ground. The pin assignments and signal mnemonics for these connectors are listed in
Table
4-2
.
18
GND
18
TXD1_232
19
GND
19
RXD1_232
20
GND
20
RTS1_232
21
CTS1
21
GND
22
TXD4
22
GND
23
RXD4
23
GND
24
RTXC4
24
GND
25
TRXC4
25
GND
26
No Connect
26
-12VF
27
MSYNC#
27
GND
28
MCLK
28
GND
29
TXD2_232
29
GND
30
RXD2_232
30
GND
31
RTS2_232
31
CTS2_232
32
MDO
32
MDI
Table 4-1 P2 Connector Pin Assignments (continued)
Row A Pins
Row C Pins
Pin
Signal
Pin
Signal
Table 4-2 COM1 and COM2 Pin Assignments
Pin
Signal
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI