6
LPT1: LPT Connector
PIN
DESCRIPTION
PIN
DESCRIPTION
1
STROBE#
14
AUTO FORM FEED #
2
DATA0
15
ERROR#
3
DATA1
16
INITIALIZE#
4
DATA2
17
PRINTER SELECT LN#
5
DATA3
18
GND
6
DATA4
19
GND
7
DATA5
20
GND
8
DATA6
21
GND
9
DATA7
22
GND
10
ACKNOWLE DGE#
23
GND
11
BUSY
24
GND
12
PAPER EMPTY
25
GND
13
PRINTER SELECT
26
N/C
COM2: 14-pin internal connector
Connector
Ports
Address
Interrupt
COM2
COM2
2F8
IRQ3
COM2 : Internal Serial Port Connector
PIN
DESCRIPTION
PIN
DESCRIPTION
1
DATA CARRIER DETECT (DCD#)
2 DATA SET READY (DSR#)
3
RECEIVE DATA (RXD)
4 REQUEST TO SEND (RTS#)
5
TRANSMIT DATA (TXD)
6 CLEAR TO SEND (CTS#)
7
DATA TERMINAL READY (DTR#) 8 RING INDICATOR (RI#)
9
GND (GND)
10 GND (GND)
11
12 TXD485#
13
14 RXD485#
