StarTech.com PCI2S232485I User Manual

Page of 12
Instruction Manual
5
Termination Resistor 
This jumper enables/disables the 120 Ohm termination resistor between DATA+ and 
DATA- of the RS485 transceiver:
JP2 (for S1 port)/JP5  (for S2 port)
Description
Termination Resistor Disabled 
(Default)
Termination Resistor Enabled
NOTE: All other headers and jumpers on the card that are not documented, should not 
be altered/used.