Congatec conga-HPC/uATX-Server User Manual page 35

Table 31 "COM Port 0 BIOS Configuration" lists the various options available in the BIOS setup menu.
Table 31 COM Port 0 BIOS Configuration
SW5 Option
Set all Mode
switches to
ON
Slew Rate
TERM (RS-422 Termination)
Alternatively, congatec offers custom variants (assembly option) that support hardware configuration of COM port 0 communication mode,
slew rate and termination using the DIP switch SW5.
Table 32 "COM Port 0 Communication Mode" lists the options for configuring COM port 0 on a custom variant using SW5.
Table 32 COM Port 0 Communication Mode
SW5.1 SW5.2 Description
ON ON Loopback
ON OFF RS-232 (default)
OFF ON RS-485 half duplex
OFF OFF RS-422/RS-485 full duplex
Table 33 COM Port 0 Slew Rate and Termination
Switch Configuration Description
SW5.3 OFF 1 Mbps Slew rate (default)
ON 250 kbps Slew rate
SW5.4 OFF Enable RS-422/RS-485 termination
ON Disable RS-422/RS-485 termination (default)
Connector Type
X25: 2.54 mm, 2x5-pin female connector
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Description
RS-234 (default)
Loopback
RS-422 full duplex
1 Mbps (default)
250 kbps
Disabled (default)
Enabled
HATXm001
SW5
SW5
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