PCI Multi-port Serial Card
3
2.
S1~S4 Termination Resistor Enable/Disable Jumpers (JP3~6):
Terminator Settings (JP3 for S1, JP4 for S2, JP5 for S3, JP6 for S4):
Jumper Name
Jumper Settings
Termination Resistor Setting
S1 TERM
(S2 TERM)
(S3 TERM)
(S4 TERM)
IN
TXD (DATA- and DATA+)
Termination Resistor Enabled
OUT
(Default)
TXD (DATA- and DATA+)
Termination Resistor Disabled
Note: IN :
Jumper Installed
OUT : Jumper Not Installed
3.
JP2: UART Input Clock Speed Selector
RS-485 TXD Termination Resistor
Enable/Disable
UART Input Clock Speed = 14.7456MHZ,
the maximum baud rate is 926.1Kbps.
(Default)
HI
LO
UART Input Clock Speed = 1.8432MHZ,
the maximum baud rate is 115.2Kbps.
HI
LO
