Technical information

Installation
239
The SUPERSET 4025 telephone requires a power adapter for the
SUPERSET Interface Module connection. The unpowered power
adapter plugs into the interface module’s power jack.
Figure 36: PKM Connections to a SUPERSET 4025
The SUPERSET 4150 and the SUPERSET 4125 telephones come with
a power adapter. The unpowered power adapter plugs into the telephone
itself.
Figure 37: PKM Connections to a SUPERSET 4150
The PKM 12 and the PKM 48 are the only programmable key
modules qualified by Mitel Networks for connection to SUPERSET
4000-series telephones.
The PKM 12 is not designed to connect to a PKM 48.
The 5412 PKM and 5448 PKM are the only programmable key
modules qualified by Mitel Networks for connection to 5220 IP
Phones.
The 5412 PKM is not designed to connect to a 5448 PKM.