Toshiba portege z20t-b User Manual page 28

Either a 2-pin or 3-pin adaptor/cord is included with the computer
depending on the model.
2.
3.
When you connect the AC adaptor to the DC IN 19V jack on the keyboard
dock, the second battery pack inside the keyboard dock also begins
charging. It might take longer to fully charge the second battery pack
depending on the remaining system power.
You can charge only the second battery pack without docking the tablet
computer.
User's Manual
Figure 2-12 Connecting the power cord to the AC adaptor (3-pin plug)
Connect the DC output plug of the AC adaptor to the DC IN 19V jack.
Figure 2-13 Connecting the DC output plug to the tablet computer
Figure 2-14 Connecting the DC output plug to the keyboard dock
1. DC IN 19V jack
Plug the power cord into a live wall outlet. The Battery/Second
Battery indicator glows.
2
1
2. DC output plug
2
1
2-12