BusinessPhone Communication Platform 4.0
Maintenance Instruction ASB 150 02 > Trouble Shooting

## Terminal application related faults

Error condition | correction | refer to:
Check sum error | If the CPU-D4 detects a checksum error e.g. the connection caused data to be corrupted or missing, re-transmit the output file. In case of problems verify that the modem speed is the same data rate settings of the terminal application. | Menu item "S" – view information about active FLASH and upgrade FLASH Upgrading using a modem with the terminal program
Terminal application does not start | If a timeout is engaged it takes some 15 minutes before a terminal can reconnect. Reasons: the session before was aborted or a wrong file was sent to the CPU-D4 or the modem connection caused data corruption or the CPU-D4 is performing an upgrade/backup etc. | Communication Start
Upgrade Flash errors: | ERROR DURING LAST UPLOAD | The CPU-D4 monitors and verifies the data transfer. Corrupted data is detected and the upload has to be repeated. | Menu item "S" – view information about active FLASH and upgrade FLASH
NOT OK | If the data is corrupted re-transmit the output file. Possible causes e.g. broken link, PBX is restarted during upload etc.
UNKNOWN | Cause of error not known and the upload has to be repeated.

Note

If upgrade is ordered, a system restart causes traffic interruption. Select a time that causes the least customer disturbance.

Revision: E © Ericsson Enterprise 2003