Table 11: Port LED patterns
5.3 Console
The L-Switch XP is equipped with a serial interface to
display the results of the self test
allow advanced configuration via a console menu
upgrade the L-Switch XP firmware
To use the serial interface the console connector (see Figure 1 and Figure 2) of the L-Switch
XP can be connected to the RS-232 port of a PC. For this connection a PC a standard null-
modem-cable with full handshaking must be used. Now, the PC can communicate with the
L-Switch XP using a standard terminal program with the communication settings set to
38,400 bps / 8 data bits / no parity / 1 stop bit.
5.3.1 Self Test
Whenever the L-Switch XP comes out of reset it performs a self test. If the self test passed
successfully, all port LEDs successively turn green for 0.5 seconds. If a failure occurs
during self test, the status LED is flashing red and the L-Switch XP is reset.
The console output of a successful boot sequence on an L-Switch XP with 5 ports on the
console reads as follows:
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