Toshiba Strata DK 16 Installation And Maintenance Manual page 134

INSTALLATION-PERIPHERALS
SECTION 100-816-207
MARCH 1993
TWISTED PAIR
24 AWG.
MUSIC-
ON-HOLD
*
SOURCE
ON/OFF
CONTROL
(24 VOLT
MAX)
MOH CONTROL-CHOOSE BASE UNIT
OR PIOU/PIOUS RELAY:
*
MOH SOURCE SPECIFICATIONS:
•
INPUT IMPEDANCE: 600
•
INPUT VOLTAGE:
RECOMMENDED LEVELS,
MIN. = 0.14 VRMS (-15 dBm)
MAX. = 0.77 VRMS (0 dBm)
TYPICAL MOH SOURCES:
• TAPE PLAYER
• TUNER
NOTE:
DK8 KSU relay or DK16 Base Unit relay can be
programmed (77-1) as the MOH control relay: or in DK16
the PIOU MOH/NT relay can be used to control MOH.
FIGURE 7-1
DK8 AND DK16 MUSIC-ON-HOLD AND BACKGROUND MUSIC FUNCTIONAL DIAGRAM
(SEE MDF WIRING DIAGRAM FOR DETAILS)
DK8 KSU OR DK16 BASE KEY SERVICE UNIT
VR1
MOH/BGM
VOLUME CONTROL
MAX.
MUSIC
MOH
RCA
JACK
PAGE/BGM
CONTROL
( ) PIN NO.s OF PIOU
AMPHENOL CONNECTOR
MOH/NT
RELAY CONTACT
JUMPER PLUG (MAKE OR BREAK)
W2, IF USING PIOUS
(SEE FIGURE 7-7)
BACKPLANE
MUSIC-
ON-HOLD
PAGE OR
BACKGROUND
MUSIC
AMPHENOL
PIN NO. (4)
(17)
DK8 OR
DK16
RELAY
PROG:
77-1
(NOTE)
600 OHM
PAGE
RCA JACK
DK16 EXPANSION UNIT
PIOU/PIOUS (NOTE)
(9)
MOH OR
B
NIGHT TRANSFER
(34)
CONTROL
RELAY
M
P11
RELAY CONTACT SPECIFICATION:
24 VDC MAX.
1 AMPERE, MAX.
7-2
MOH TO:
CO LINES
AND
STATIONS
ON-HOLD
BGM TO:
DIGITAL
AND
ELECTRONIC
TELEPHONE
SPEAKERS
OPTIONAL
EXTERNAL PAGE/
BGM OUTPUTS
HESB OR
AMPLIFIER
AND
SPEAKER
SELECT
MOH
PROG. 77-1