Apex OutLook 140DX/180DX Switch User Guide
62
T r o u b l e s h o o t i n g
Firmware Update
SYMPTOM
PROBABLE CAUSE
RECOMMENDED SOLUTI ON
Firmware
does not
download
Cable problems
Check for loose cable connections.
Replace serial cable.
Check that the serial cable is connected to
the COM port on the server and to the serial
port on the switch.
Verify that they proper COM port is selected
on the update utility.
Download
timed out
Cannot access port
Confirm that the correct port was selected.
If another program is using the same port,
quit the program.
If a serial cable is not installed, install one. If
it is defective, replace it.