Owner's manual

Switch Command Interface (SWCI)
ServerNet Nomadic Disk User’s Guide—425485-001
6-39
Switch Protocol Error Messages
Cause. The message length field in a response message received from the SCC did not
match the number of response message characters read from the SCC by SWCI.
Effect. SWCI does not work properly.
Recovery. Do the following:
1. Check the configuration of the switch module device and reconfigure if necessary.
2. Check the version of SWCI installed.
3. Power the switch module device off then back on again.
Cause. The SCC does not support the switch communications protocol revision used by
SWCI. This can be caused by an incompatibility between SWCI and SCC firmware.
Effect. SWCI does not work properly.
Recovery. Do the following:
1. Check the configuration of the switch module device and reconfigure if necessary.
2. Check the version of SWCI installed.
3. Power the switch module device off then back on again.
Cause. The communication port ID field (expected to contain “A” or “B” indicating
which SCC serial port is in use) in a response message received from the SCC contained
an invalid value.
Effect. SWCI does not work properly.
Recovery. Do the following:
1. Check the configuration of the switch module device and reconfigure if necessary.
2. Check the version of SWCI installed.
3. Power the switch module device off then back on again.
***PROTOCOL ERROR*** SCC response message: incorrect length.
***PROTOCOL ERROR*** SCC response message: unsupported
protocol revision.
***PROTOCOL ERROR*** SCC response message: invalid comm port
ID.
***PROTOCOL ERROR*** SCC response message: invalid slot
number.