The Refurbished Mitel 5448 Programmable Key Module is an expansion to the Mitel 5224, 5235 and 5324 phones. This unit will add 48 additional feature keys that can be programmed as speed call keys, direct station select keys, or line appearances keys.
- 48 programmable multi-function keys
- Line status indicator for every key
- Requires 5422 PKM Interface Module or PKM Interface Module V2
- Compatible with Mitel 5220/5224/5235/5324/5330/5340/8528/8568
- Up to 2 Mitel 5448 PKMs can be connected to one phone.
- For 5220/8528/8568: Requires 24VDC (not included)
- For 5224/5235/5324/5330/5340: Can use PoE or 48VDC (not included)