User manual

Page 152
IEI
®
Technology, Corp.
PPC-5170GS Flat Panel PC
B.3 Parallel Port
This port is usually connected to printer. The POS-8520 includes one on-board parallel
port, accessed through 25-pin D-type female connector LPT1.
LPT1: (LPT1 DB-25 Female) Parallel Port Connector
PIN Description PIN Description
1 STROBE# 2 DATA 0
3 DATA 1 4 DATA 2
5 DATA 3 6 DATA 4
7 DATA 5 8 DATA 6
9 DATA 7 10 ACKNOWLEDGE
11 BUSY 12 PAPER EMPTY
13 PRINTER SELECT 14 AUTO FORM FEED #
15 ERROR# 16 INITIALIZE
17 PRINTER SELECT LN# 18 GND
19 GND 20 GND
21 GND 22 GND
23 GND 24 GND
25 GND
B.4 Serial Ports
The POS-8520 offers six high speed NS16C550 compatible UARTs with Read/Receive 16
byte FIFO serial port (COM1/COM2/COM3/COM4/COM5/COM6)
COM1: Serial Port 2x5 pin header Connector
PIN Description PIN Description
1 DCD 2 DSR
3 RXD 4 RTS
5 TXD 6 CTX
7 DTR 8 RI
9 GND 10 NC