User manual

Chapter 2 Installation
- 8 - EC0-1815V2NAR
Jumper Setting
1. Clear/Keep CMOS Setting
CMOS is powered by the button battery on board. Clearing CMOS will restore
original settings (factory default). The steps are listed as follows: (1) Turn off the
computer and unplug the power cable; (2) Instantly short circuit JCC1; (3) Turn on
the computer; (4) Follow the prompt on screen to enter BIOS setup when booting the
computer, load optimized defaults; (5) Save and exit. Please set as follows:
Setup Function
1-2 Open Normal ((Default)
JCC1
(Pitch: 2.54mm)
1-2 Short
Clear the contents of CMOS and all BIOS
settings will restore to factory default values.
2. Serial Port Configuration
Please set the mode for COM1/COM2 by JP2 ~ JP7 (Pitch: 2.54mm):
Signal Name
Pin
RS-232
(
Default
)
RS-485
JP2 1-2 3-4
JP3 1-2 2-3
JP4 1-2 2-3
JP5 1-2 3-4
JP6 1-2 2-3
JP2/JP5
JP3/JP4/JP6/JP7
JP7 1-2 2-3
Please set the mode of Pin9 on COM3/COM4 by JP8 and JP9 (Pitch: 2.54mm):
Definitions for Pin9 Pin
RI 1-2 (Default)
5V 3-4
JP8/JP9
12V 5-6