Jumper Setting For Rs422 Rxd Termination (Com2); Jumper Setting For Rs422 Txd And Rs485 Termination (Com2) - Kontron CP6500-V User Manual

CP6500-V
RS422 and RS485 COM2 Termination
When COM1 is configured for RS422 or RS485 operation and is the last device on the RS422
or RS485 bus, then the RS422 or RS485 interface must provide termination resistance. The
purpose of jumpers JP3 and JP4 is to enable this line termination resistor (120 ohm).
Table 4-11: Jumper Setting for RS422 RXD Termination (COM2)
TERMINATION
ON
OFF
The default setting is indicated by using italic bold.
Table 4-12: Jumper Setting for RS422 TXD and RS485 Termination (COM2)
TERMINATION
ON
OFF
The default setting is indicated by using italic bold.
ID 28945, Rev. 01
JP3
Closed (0 ohm resistor)
Open
JP4
Closed (0 ohm resistor)
Open
© 2005 Kontron Modular Computers GmbH
Configuration
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