Avaya T3 Service Manual page 21

Power class
All T3 IP telephones have "Power class detection". This enables a respective switch or
another power supply component to detect how much power each IP telephone requires.
The classes are defined as follows:
•
Class 0: undefined (max. 15.4 W per port)
•
Class 1: up to 4 W per port
•
Class 2: up to 7 W per port
•
Class 3: up to 15.4 W per port
The telephones T3 IP Classic and T3 IP Comfort are allocated to power class 2 and the
IP Compact to power class 1.
T3 IP telephone cabling
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