JARLTECH JP8031 series, Operation Manual

Page: 12 / 40

12
Preparation for Programming
Step 4: Connect keyboard to computer
Step 5: Disconnect peripherals from keyboard
Attach the 9-pin female (DB9F) RS232 connector with
built-in DC jack to an available male equivalent (DB9M)
RS232 communication port on your computer. Provide
power to the DC jack on the DB9F connector using
either a cable connection to the +12V DC power plate or
an external adapter.
Connect the 9-pin female (DB9M) side of the RS232
cable to the HOST port on the rear face of the keyboard.
While using the HOST port for programming the
keyboard, be sure that no peripheral devices are con-
nected to any of the remaining ports.
Diagram 2.1
COM Port