RS-422/485 Multiport Serial PCI Card
13
6.1 Windows
2000,
XP
Go the the COM3’s properties and set the mode to
“
RS422/485”
Choose RS485 buffer enable to
“Active High”
Set the other port (e.g. COM4) by the same procedures
mentioned.
Set
〝
RS422/485
〞
and
Active High
〞
for
RS485 buffer enable
RS-422/485 Multiport Serial PCI Card
6
OUT
:
Jumper Not Installed
S2 Terminator Settings (JP8):
Jumper Name
Jumper Settings
Termination Resistor Setting
IN TXD
Terminator
Enabled
JP8 (TXD)
OUT
(Default)
TXD Terminator Disabled
IN
(Default)
RXD Terminator Enabled
JP8 (RXD)
OUT RXD
Terminator
Disabled
IN
RTS Terminator Enabled
JP8 (RTS)
OUT
(Default)
RTS Terminator Disabled
IN
(Default)
CTS Terminator Enabled
JP8 (CTS)
OUT CTS
Terminator
Disabled
Note: IN :
Jumper Installed
OUT
:
Jumper Not Installed
3.2 2S with Terminal Block Connectors
J2: S1
JP7: S1
Terminator
Enable/Disable
J3: S2
JP8: S2
Terminator
Enable/Disable
JP1: RS-422/485
Mode Selector
JP5: UART Clock Speed
Selector