5
CN3: Parallel Port Connector
PIN DESCRIPTION
PIN DESCRIPTION
1
STROBE#
2
AUTO FORM FEED #
3 DATA
0 4 ERROR#
5 DATA
1 6 INITIALIZE
7
DATA 2
8 PRINTER SELECT LN#
9 DATA
3 10 GROUND
11 DATA
4 12 GROUND
13 DATA
5 14 GROUND
15 DATA
6 16 GROUND
17 DATA
7 18 GROUND
19 ACKNOWLEDGE 20
GROUND
21 BUSY 22 GROUND
23 PAPER
EMPTY 24
GROUND
25 PRINTER
SELECT 26
N/C
CN23: Internal USB 1.1 Connector (2 ports)
PIN DESCRIPTION PIN DESCRIPTION
1 VCC 2
GROUND
3 DATA3- 4
DATA4+
5 DATA3+ 6
DATA4-
7 GROUND 8
VCC
CN17: Internal Serial Port Connectors
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 GROUND
(GND)
10
GROUND (GND)
CN12: Keyboard / Mouse Connector
PIN DESCRIPTION
1 KEYBOARD
DATA
2 MOUSE
DATA
3 GROUND
4 +5V
5 KEYBOARD
CLOCK
6 MOUSE
CLOCK
CN18: 10-pin Digital I/O Connector
PIN DESCRIPTION PIN DESCRIPTION
1 GROUND 2
+5V
3 OUTPUT
0 4 OUTPUT
1
5 OUTPUT
2 6 OUTPUT
3
7 INPUT
0 8 INPUT
1
9
INPUT 2
10
INPUT 3
CN21:Inverter
PowerConnector
PIN DESCRIPTION
1 Ground
2 Ground
3 +12V
4 Ground
5 LCD
Enable
Summary of Contents for IOWA-MARK
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