Emergency Call - Samsung NX-828 Technical Manual

FEATURES
NX-828
HYBRID KEY SYSTEM
Door Lock Release (Programmable)
After answering a call from the door phone, user can dial a code to activate a contact closure.
This can be used to operate a customer-provided electric door release mechanism. The contact
closure timer is programmable from 100-9900 milliseconds.
See: MMC 50 System Timers (Default for DOOR LOCK RELEASE: 100 - 9900 msec)
Door phone Operation
The system provides for connection of two door phones. Pressing the button on the door phone
sounds a distinctive ring at the assigned stations.If not answered, the system will release the door
phone and stop ringing after a pre-programmed duration. Stations may call the door phone directly
and monitor the surrounding areas. Door phones can be programmed with a day ring destination
and a night ring destination.
See: MMC 33 Assign Door Ring
MMC 50 System Timers (Default for DOOR RING OFF TIMER: 1 - 255 SEC)
Door phone Day/Night Ring
A different door phone ringing position can be programmed for day and for night.
See: MMC 33 Assign Door Ring

Emergency Call

The system provides a maximum of five urgent codes. These codes can be accessed by any
class of service and are useful to allow access to emergency numbers.
See: MMC 64 Override Table
External Music Interface
Although the system provides internal music on hold chimes, a modular jack is also provided to
connect a customer-provided music source for music on hold and background music to keysets.
External Page Interface
A paging voice pair with 600 ohm impedance is provided for connection to a customer-provided
paging system. The contacts can be wired for either normally open or normally closed operation.
They can be used to mute music during page announcements.
Flash Key Operation
While on an outside line, pressing the FLASH key will flash the central office or PBX. This is
used for custom calling features on C.O. lines or in conjunction with Centrex/PBX operation.
System programming allows flash times for C.O. and PBX lines.
3 - 7