- 4 Pair Cable Wiring
- Power Outlet
Manufacturer discontinued but maintenance vendor will continue support. Units are no longer available for purchase or install.
Failed units will be replaced with like-unit until vendor stock is depleted after which the M5316 will be substituted. If there is an existing adjunct [EA18B], it must be changed to the newer M522 adjunct [EAN2A].
- Buttons can be programmed as lines or features
- Hold, mute, release keys
- Speaker Phone
- 2-Line alphanumeric display
- 10 Lines