Toshiba Strata DK24 Installation And Maintenance Manual page 175

TWISTED PAIR
24 AWG.
MUSIC-
ON-HOLD
*
SOURCE
MOH
CONNECTOR
ON/OFF
CONTROL
(24 VOLT
MAX)
*
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
• DIGITAL MUSIC SOURCE
• CASSETTE DOWNLOADER
DIGITAL SOURCE
( ) PIN NO.s OF PIOU/PEPU
AMPHENOL CONNECTOR
NOTE:
3-watt amp and SW4 are available
with PIOU and PEPU only;
PIOUS provides 600 ohm output only.
FIGURE 8-3
MUSIC-ON-HOLD AND BACKGROUND MUSIC FUNCTIONAL DIAGRAM
PCTU
VR1
MOH/BGM
VOLUME CONTROL
P6
MAX.
MUSIC
PAGE/BGM
CONTROL
Ω
BACKPLANE
MOH/NT
RELAY CONTACT
JUMPER PLUG
(MAKE OR BREAK)
INSTALLATION-PERIPHERALS
SEE MDF TIP & RING
WIRING DIAGRAMS (CHAPTER 9)
BACKPLANE
PCOU
PSTU
MUSIC-
OR
ON-HOLD
PESU
(CKTs 1-2)
PAGE OR
PDKU
BACKGROUND
MUSIC
PEKU
OR
PESU
(CKT 5-8)
PIOU/PEPU/PIOUS
Ω
SP0
600
SW4
SP1
3 WATT
AMP.
VOLUME
VR1 (SEE NOTE)
SW4:
OPTIONAL PAGE OUTPUT
Ω
SWITCH 600 OR
Ω
3-WATT 8 .
(9)
MOH OR
B
NIGHT TRANSFER
(34)
CONTROL
RELAY
M
SELECT
P11
MOH
PROG. 77-1, 05
RELAY CONTACT SPECIFICATION:
W2, IF
24 VDC MAX.
USING PIOUS
1 AMPERE, MAX.
(SEE FIGURE 8-9)
8-5
SECTION 400-096-208
SEPTEMBER 1992
PEMU
TIE LINES
CO LINES
CO LINES
SINGLE-LINE
STATIONS
DIGITAL AND
ELECTRONIC
TELEPHONE
SPEAKERS
DIGITAL AND
ELECTRONIC TELEPHONE
BGM DIAL CODE
481-ON
480-OFF OR Tel˚Set˚Music (BGM)
BUTTON
NHT/NHR,
IF USING PIOUS
OPTIONAL
EXTERNAL PAGE/
BGM OUTPUTS
HESB OR
(38)
AMPLIFER
(13)
&
SPEAKER
(50)
SPEAKER
(25)
EXTERNAL BGM DIAL
CODE FROM
ELECTRONIC & DIGITAL
TELEPHONES
PORT 00 ONLY:
491-ON
490-OFF