Asynchronous/Synchronous serial Port connectors (J7/J8)
Connector Pin Assignments
MVME7616E Transition Module Installation and Use (6806800A43B)
37
4.4
Asynchronous/Synchronous serial Port
connectors (J7/J8)
The interface for the asynchronous/synchronous serial ports 3 and 4 is provided by two HD-26
connectors, J7 and J8. The connector shields for these ports are tied to chassis ground.
The pin assignments and signal mnemonics for serial ports 3 and 4 are listed in the following
tables.
Table 4-3 Serial Port 3 Pin Assignments
Pin
Signal
Pin
Signal
1
No Connect
14
SP3_P14
2
TXD3
15
TXCI3
3
RXD3
16
SP3_P16
4
RTS3
17
RXCI3
5
CTS3
18
LLB3
6
DSR3
19
SP3_P19
7
GND
20
DTR3
8
DCD3
21
RLB3
9
SP3_P9
22
RI3
10
SP3_P10
23
SP3_P23
11
SP3_P11
24
TXCO3
12
SP3_P12
25
TM3
13
SP3_P13
26
No Connect
Table 4-4 Serial Port 4 Pin Assignments
Pin
Signal
Pin Signal
1
No Connect
14
SP4_P14
2
TXD4
15
TXCI4
3
RXD4
16
SP4_P16
4
RTS4
17
RXCI4
5
CTS4
18
LLB4
6
DSR4
19
SP4_P19
7
GND
20
DTR4
8
DCD4
21
RLB4
9
SP4_P9
22
RI4
10
SP4_P10
23
SP4_P23
11
SP4_P11
24
TXCO4
12
SP4_P12
25
TM4