Some Auerswald telephones require a power supply e.g. if key extension modules are connected. In this case, the COMfortel XT-PS provides the power supply for the entire telephone. The original plug...
When the second and third button extensions are connected, the additional COMfortel D-XT-PS plug-in power supply unit is always required. The original plug-in power supply fits to the telephone ext...
Get power when and where you need it with a ThinkPad AC adapter. Keep one in the office, one at home, and another in your carrying case for convenient access to power. Just plug it into an availabl...