Rice Lake 920i Installation Manual V1.05 - Manual (Page 12)

8 920i Installation Manual
Figure 2-3. Interface Board Connections
Figure 2-4. 920i CPU Board, Showing Option Card Locations
LCD Contrast
DIN-8 Connector for
PS/2 Remote Keyboard
DB-9 Connector
for Port 2 / J8
1
DB-9 Pin Signal
2 TxD
3 RxD
5 GND
7 CTS
8 RTS
Table 2-3. DB-9 Connector Pin Assignments
J11
PORT 1
J9
PORT 3
J10
PORT 4
J2
PIEZO
BUZZER
OPTION
J13
+6VDC
GND
GND
–6VDC
EXPANSION BUS
GND
RS-232 RxD RS-232 TxD
GND / –20mA OUT
RS-232 RxD RS-232 TxD +20mA OUT RS-232 RxD RS-232 TxD +20mA OUT
RS-485 A RS-485 B
+5VDC
GND DIO1 DIO2 DIO3 DIO4
INTERFACE
BOARD
CONNECTION
POWER
SUPPLY
SW1
SW2
JP3
1
1 1
J5 J6
J7
DIGITAL I/O
J8
PORT 2
OPTION CARD
CONNECTOR
OPTION CARD
CONNECTOR
OPTION CARD LOCATIONS
J1
1
BATTERY
J15
REMOTE
SETUP
SWITCH
BOOT
MODE
SLOT 1 SLOT 2
GND / –20mA OUT