Port connectors and, Table b-1 – Dell PowerEdge 7150 User Manual
Page 5
Parallel Port Connector
illustrates the pin numbers for the parallel
defines the pin assignments and interface signals for the parallel port connector.
Figure B-3. Pin Numbers for the Parallel Port Connector
Table B-1. Pin Numbers for the Serial Port
Connectors
Pin
Signal I/O Definition
1
DCD I
Data carrier detect
2
SIN
I
Serial input
3
SOUT O
Serial output
4
DTR
O
Data terminal ready
5
GND N/A Signal ground
6
DSR
I
Data set ready
7
RTS
O
Request to send
8
CTS
I
Clear to send
9
RI
I
Ring indicator
Shell N/A
N/A Chassis ground
Table B-2. Parallel Port Pin Assignments
Pin
Signal I/O Definition
1
STB# I/O Strobe
2
PD0
I/O Printer data bit 0
3
PD1
I/O Printer data bit 1
4
PD2
I/O Printer data bit 2
5
PD3
I/O Printer data bit 3
6
PD4
I/O Printer data bit 4
7
PD5
I/O Printer data bit 5