Proface APL3000B - Node Box PC - Manual (Page 8)

8
System Set Switch
Serial Mode Select Switch
Switch
No.
Description ON OFF
Factory
Settings
Notes
1 Internal setting Reserved Reserved OFF
Do not change.
(Factory setting)
2
Implements the
logical inversion
operation for RAS
output
Normal
Close Normal
Open
OFF
RAS output is a CLOSE state
when the switch and the system is
ON. When the Switch is OFF, it is
the opposite. The RAS Output
keeps Normal OPEN when the
Soft OFF state occurs or the
power turns OFF.
3
Sets up an enabled/
disabled state for the
front USB port execution
control function
*1*2
*1 Panel computer only.
*2 The Setting up an enabled/Disabled state for USB port execution control function is available for
only Windows
®
2000 and Windows
®
XP. Make sure to disable the function of the setting when
other OS is used.
Enabled Disabled ON
The front USB port is available
when the switch is ON. It is
unavailable when the switch is
OFF.
4
Internal setting Reserved Reserved
OFF
Do not change.
(Factory setting)
5 to 8 ON
9 to 10 OFF
Switch
No.
Description ON OFF RS-232C RS-422 RS-485
1 Internal setting Reserved Reserved OFF
*1
OFF
*1
OFF
*1
2
Changes COM1’s
communication method
RS-422/RS-485 RS-232C OFF ON ON
3
Changes COM1’s
communication method
RS-422/RS-485 RS-232C OFF ON ON
4
Changes SD (TXD)
data’s output mode
SD (TXD) data
output is controlled
via the RS (RTS)
signal.
SD (TXD) data
output is NOT
controlled via the
RS (RTS) signal.
(normally output)
OFF
ON/
OFF ON/
OFF
*2
5
Switches the SD (TXD)
termination resistance
ON/OFF
Inserts termination
resistance of 220
Ω
between SDA and
SDB.
No termination OFF ON
ON/
OFF
*3
6
Switches the RD
(RXD) termination
resistance ON/OFF
Inserts termination
resistance of 220
Ω
between RDA and
RDB.
No termination OFF ON
ON/
OFF
*3