Loop start, ground start, and station port (90V ring up) compatibility
600-ohm output
Pre-announce and confirmation tones (defeatable)
Adjustable tone volume
Works with one-way and two-way (talk back) zones
Background music input with volume control
Suppresses background music during paging
Station access disconnect is dynamically controlled using a combination disconnect timer, and VOX disconnect timer or Calling Party
Control (CPC) signal detection Disconnect VOX timer is adjustable from 2 to 6 seconds of silence
Calling Party Control (CPC) signal from switch immediately disconnects station port
24V or 48V operation (trunk port mode)
Wall-mount design
Easily accessible controls and switches
No power supply necessary when connected to a PABX station port or Centrex line
1 normally open contact pair available for operating external equipment
Punch-block connections (type 66)
FCC Part 68 approved