
PST-1000 series Technical Manual 4 - 5
TM
SERIAL PORT COM4
PIN ASSIGNMENT OF 9 PIN D SUB MALE CONNECTOR:
PIN # DEFINITION ALTERNATIVE DEFAULT SETTING
1 DCD +12 VDC DCD
2
RX
3
TX
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI +5 VDC RI
• This port is available in PST1010 or as option to PST1000
• IRQ applied: IRQ5
• DC supply of this port is UPS supported.
Jumper selection: please refer to Chapter 4 of this manual about PST023.
CASH DRAWER CONTROLLER
l The cash drawer solenoid input is a 200 msec. grounding signal.
l The power to cash drawer solenoid is DC 12 V nominal.
l The command to open cash drawers is decoded through COM 1.
l The drawer open indication can be detected by software through
status check on RI signal of COM 1.
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