Toshiba Strata DK8 General Description Manual page 24

S T R A T A D K 8 & D K 1 6
G E N E R A L D E S C R I P T I O N
emergency service if the system power fails. While
system power is present, the telephone is inopera-
tive. However, if the system power fails, the stan-
dard telephone will automatically connect to a des-
ignated central office line (CO1), enabling access
to the public telephone network. When system
power is restored, the standard telephone will
become inoperative again. Power failure transfer is
independent of reserve (battery) power.
Printer Sharing: This feature allows many users to
share one or more printers. Serial-type printers can
be connected to Stand-alone Data Interface Units
(PDIU-DS) to allow users with digital telephones
equipped with Data Interface Units to connect (via
Data Switching) to the printers. The printers can be
almost any type (laser, ink jet, dot matrix, etc.) but
they must have a serial interface as opposed to the
parallel type.
Privacy/Non-privacy: Central office (CO) lines can
be private or non-private on a line-by-line basis.
Private lines prohibit users from pressing a CO line
button and accessing a line that is already in-use;
users can do so on non-private lines. Private line
users can change the mode with a privacy release
button, enabling as many as three stations to be
present on a line.
Relay Service Options: The DK8 and DK16 Key
Service units each contain relay contacts that can
be programmed to provide control functions for
external equipment. The DK8 KSU and DK16 Base
KSU each have a single relay contact. This relay
contact can be programmed for one of three func-
tions. The DK16 PIOUS and PIOU printed circuit
boards (PCBs) each have two pairs of relay con-
tacts. Each relay contact can be programmed for
one of two functions. The PIOUS and PIOU relay
options are independent and can be used simulta-
neously with the DK16 Base Unit relay service to
provide multiple control functions.
§
External Page Function: A page over external
speakers will mute Background Music that is
being broadcast over the same speakers.
§
Door Lock Control Function (PIOUS and
PIOU relays only): The relay will open a cus-
tomer-supplied door lock for three or six sec-
onds when a designated button is pressed on
selected telephones.
20
§
Night Relay Function: An answering machine
or a night bell (or chime) will be activated when
a call rings in.
§
Hold Relay Function: A music-on-hold source
will turn on when a call is placed on-hold.
Remote Administration and Maintenance:
System administration, programming, and mainte-
nance can be performed from a personal computer
or ASCII terminal at a remote location. In addition
to the off-site equipment, the DK8 customer needs
an external modem and optional QSMU PCB. The
DK16 customer needs to have the expansion unit
equipped with an optional PIOU or PIOUS printed
circuit board and an IMDU piggy-back modem (or
external modem) to access this feature. The use of
this feature does not interrupt system operation.
Reserve Power (DK8): One or two optional Reserve
Power Battery and Chargers (HPFBs) can be con-
nected to the system power supply as a power fail-
ure backup. If there is a power failure, STRATA
DK8 automatically switches over to battery power
without any interruption in operation.
The built-in charger keeps the batteries charged
during normal operation. Reserve power duration
depends on the condition of the batteries and the
system load. (See Table G for reserve power time.)
Reserve Power (DK16): Two customer-supplied 12-
volt batteries (gel-cell and maintenance free) can
be connected to the system power supply as a
power failure backup. If there is a power failure,
STRATA DK16 automatically switches over to bat-
tery power without any interruption to operation. A
standard built-in charger circuit keeps the batteries
charged during normal system operation. Reserve
power duration depends on the condition of the
batteries and the system load (see Table G for
reserve power time).
Speed Dial: Speed Dial enables users to dial fre-
quently called telephone numbers quickly by just
dialing a two-digit access code or by pushing a fea-
ture button. STRATA DK8, DK16, and Centrex/PBX
feature access codes can also be stored in Speed
Dial. There are two types of Speed Dial:
•
System Speed Dial: A designated station can
create up to 40 Speed Dial numbers that are
available to every station.
A U G U S T 1 9 9 3