5
JP2:
Use AT & ATX Power Select jumper
PIN NO.
DESCRIPTION
Short 1 - 2
Use AT Power
Open 1 - 2
Use ATX Power
JP3: COM3 Signal jumper Setting
PIN NO.
DESCRIPTION
Short 1 - 2
RS-422
Short 2 - 3
RS-485
JP4: Serial port’s CN21 Pin9 (CN18 Pin8) RI Signal Select
CONNECTOR
CN21
CN18
DESCRIPTION
Short 1 - 3
Short 2 - 4
12 Voltage output
Short 3 - 5
Short 5 - 7
Short 4 - 6
Short 6 - 8
5 Voltage output
Short 7 - 9
Short 8 - 10
Normal RI Function
JP5: Flat Panel TTL (CN10)
power using select
PIN NO.
DESCRIPTION
Short 1 - 2
+ 3.3V
Short 2 - 3
+ 5V
JP6: Flat Panel TTL (CN10) Clock using select
PIN NO.
DESCRIPTION
Short 1 – 2
Default
FPCLK
Short 2 - 3
FPCLK#
