Panasonic KX-TDA100 Features Manual page 323

3.
The PC will not perform any shutdown operation, or enter the power-saving system
standby mode while the Maintenance Console is connected to the PBX.
To perform either of the operations above, first close the connection to the PBX.
CAUTION
Do not remove the SD Memory Card during access to it. Doing so will damage the system
data, and in the worst case, damage the SD Memory Card.
3.2 PC Programming
Feature Guide 323