J8/J9: Serial Ports; J10: Parallel Port Connector - TMC LI7WM User Manual

5.8 J8/J9: Serial Ports

The onboard serial ports of the LI7WM are two DB-9 external
connectors.
The table below shows the pin-out assignments of these connectors.
Signal Name
DCD, Data carrier detect
RXD, Receive data
TXD, Transmit data
DTR, Data terminal ready
GND, ground

5.9 J10: Parallel Port Connector

J10 is a DB-25 external connector as seen in the above figure. The
following table describes the pin- out assignments of this connector.
Signal Name
Line printer strobe
PD0, parallel data 0
PD1, parallel data 1
PD2, parallel data 2
PD3, parallel data 3
PD4, parallel data 4
PD5, parallel data 5
PD6, parallel data 6
PD7, parallel data 7
ACK, acknowledge
Busy
Paper empty
Select
25
Chapter 6 BIOS and System Setup
COM1 Serial Port
COM2 Serial Port
Pin # Pin #
1 6
2 7
3 8
4 9
5 10
Pin # Pin #
1 14
2 15
3 16
4 17
5 18
6 19
7 20
8 21
9 22
10 23
11 24
12 25
13 N/A
Signal Name
DSR, Data set ready
RTS, Request to send
CTS, Clear to send
RI, Ring indicator
Not Used
Signal Name
AutoFeed
Error
Initialize
Select
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
N/A
LI7WM User's Manual