Mitel SX-2000 - Manual (Page 97)

Peripherals
50003510 Revision A 83
Mitel Networks 5448 Programmable Key Module
The Mitel Networks 5448 Programmable Key Module provides 48 additional feature keys for a
5020 IP Phone. They can be programmed as Feature keys, Speed Call keys, Direct Station
Select keys, or Line Appearance keys. Each key has a Line Status Indicator that works the
same way as those on the associated telephone. The keys can be programmed through the
telephone.
The 5448 PKM unit connects to a 5020 IP Phone through a Mitel Networks PKM Interface
Module (IM). The PKM IM is installed separately at the base of telephone and is only compatible
with 5020 IP Phones.
Mitel Networks 5448 Programmable Key Module