Plug-In Power Supply Unit; Older Ad2 System Terminals - Aastra Ascotel IntelliGate A150 System Manual

Interfaces and Terminals as of I7.8
3. 2. 9. 2

Plug-in power supply unit

If the power supply via the AD2 bus is insufficient, connect a plug-in power supply
to the terminal. When using one or more expansion keypads connect the plug-in
power supply to the last expansion keypad.
3. 2. 10

Older AD2 system terminals

The system terminals Office 20, Office 30 and Office 40 are supported as before.
With only a few exceptions all the features of the Ascotel® IntelliGate® system are
supported.
Terminals 55