Toshiba STRATA DK24 Manual page 183

INSTALLATION-PERIPHERALS
SECTION 200-096-208
FEBRUARY 1991
2.23 Power Failure Emergency Transfer Instal-
lation.
Install the DPFT in accordance with the
following steps:
1) Mount the DPFT on or near the MDF.
NOTE:
Refer to Wiring Diagrams, Section ZOO-096-
209, Figures 9- 14 and 9- 15 for MDF intercon-
necting tables.
2)
3)
4)
5)
6)
7)
Using 25-pair cables with amphenol-type con-
nectors (female for DPFT connector
Jl,
male
for DPFT connector
J2),
connect the DPFT to
two 66-type quick-connect blocks.
Connect the CO lines selected for emergency
use to the DPFT
Jl
-block "CO-TIP" and "CO-
RING" terminals.
Connect the PCOU or PCOU2 circuits related
to the emergency CO lines to the DPFT
Jl-
block "PCOU-TIP" and "PCOU-RING" termi-
nals.
Connect the standard telephone stations se-
lected for emergency use to the DPFT J2-block
"TEL-TIP" and "TEL-RING" terminals.
Connect the PSTU or PESU (circuits 1 & 2)
circuits related to the emergency standard
telephones to DPFT J2-block"PSTU-TIP"and
"PSTU-RING" terminals.
Connect the DPFT to the PSTU DG and -24V
terminals (refer to Wiring Diagrams, Section
200-096-209, for PSTU and PCOU wiring/
interconnecting details).
NOTE:
The -24 V and DG ground terminals are avail-
able on PSTU only, not on PESU.
8) To test the operation of the DPFT, turn the
system power switch
OFF,
and verify that CO
dial tone is available at each standard tele-
phone connected to the DPFT. Also, call back
to each telephone using an outside line.
3 MUSIC-ON-HOLD/BACKGROUND
MUSIC OPTIONS
3.00 STRATA DK systems provide a Music-on-
Hold option for CO/E & M TIE lines, and digital,
electronic and standard telephones connected to
the system. A variety of Background Music options
are also provided (refer to Figure 8-3). .
.'\,
,:
3.10 Music-on-Hold (MOH) Option
3.11
The Music-on-Hold (MOH) option allows con-
nection of an external music source, such as a tape
recorder or tuner, to the system for MOH. The
PCTU and PCTUSl PCBs provide the interface for
connection of the external musicsource. The PIOU,
PIOUS, or PEPU MOH relay provides on/off control
for the MOH source. MOH source and MOH relay
contact specifications are:
l
MOH Source Specifications
l
Input Impedance: 600 ohms
l
Input Voltage (recommended levels)
Minimum: 0.14 VRMS (-15 dBm)
Maximum: 0.77 VRMS (0 dBm)
l
Relay Contact Specifications
l
Voltage: 24VDC maximum
l
Current: 1 ampere maximum
IMPORTANT NOTICE!
MUSIC-ON-HOLD
In accordance with U.S. Copyright Law, a
license may be required from the Ameri-
can Society of Composers, Authors, and
Publishers (ASCAP), or other similar or-
ganization, if copyrighted music is trans-
mitted through the Music-on-Hold feature
of this telecommunications system.
Toshiba America Information Systems,
inc., hereby disclaims any liability arising
out of the failure to obtain such a license.
3.12 Music-on-Hold Installation.
Install the Mu-
sic-on-Hold option in accordance with the following
steps (refer to Figure 8-3):
1)
2)
3)
Connect the external music source to PCTU
or PCTUSl connector terminal P6.
Rotate the PCTU or PCTUSI volume control
(VRl)
to adjust Music-on-Hold volume: clock-
wise increases volume; counterclockwise de-
creases volume. Listen to the CO line on-hold
when setting MOH to the proper volume.
I
If MOH relay control is required, access
Pro-
gram 77-l.
Set
LED
05 to ON to configure the
8-2