5.3 HELP command
SYNTAX
help
?
EXPLANATION
Use this command to display all the available commands with a brief explanation.
5.4 Debugging commands
When you suspect data transmission errors in the CAN bus, you can use debugging
commands to determine the nature of the error.
The debugging commands include:
check_line (d)
canstat
in
out
5.4.1 CHECK_LINE (D)- Checking line
Before you use this command, you need to remove the CPU module if
there is one inserted in the rack. Otherwise, the result may not be reliable
under all circumstances.
In case the loop test between the channels is done a cable has to be
connected between connector X1 to X2.
This command alters the functionality of the CAN Bus. Consider the
operative situation carefully before using this command on board a train.
SYNTAX
check_line [a |b]
a = Transmit to channel A, read from channel B (default).
b = Transmit to channel B, read from channel A.
CVB1621A and CVB2456A Technical Manual, ver. 3.00
Command line interface
29
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