Rice Lake 720i Programmable Indicator/Controller - Installation Manual - Manual (Page 15)

J5
SERIAL PORT 4
J4
SERIAL PORT 3
DISPLAY
J3
SERIAL PORT 1
PS/2
J2
SERIAL PORT 2
J1
LOAD CELL CONNECTOR
BATTERY
LOAD CELL SENSE
JUMPERS
J6
DIGITAL I/O
J12
EXPANSION CARD SLOT
J11
COMMUNICATIONS
OPTION CARD SLOT
J9
SW1
JUMPER ON TO ENABLE J2,
OFF TO ENABLE J11
HEARTBEAT
LED
J10
POWER SUPPLY
CONNECTOR
J7
J8
Installation 9
Figure 2-3. 720i CPU Board
COM 1 COM 0
CPU Interface Port Programming Port
Figure 2-4. 720i Display Board