INSTALLATION-PERIPHERALS
SECTiON lOO-816-207
MARCH1993
DK8 KSU OR DK16 BASE KEY SERVICE UNIT
TWISTED PAIR ; - ;R; - - - - - - - ““-“““y
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24 AWG. - MOH/BGM I
VOLUME CONTROL BACKPLANE - 1
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MUSIC- MOH TO:
MAX. I
MUSIC ON-HOLD CO LINES
T I ) AND
ON-HOLD

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STATIONS
I ON-HOLD

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ON/OFF PAGE OR I
CONTROL

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(24 VOLT

t

BACKGROUND I BGM TO:
MUSIC
I PAGEIBGM

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DIGITAL
MAX) I CONTROL AMPHENOL 1 I ) AND

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ELECTRONIC
MOH CONTROL-CHOOSE BASE UNIT
OR PIOU/PIOUS RELAY:
*MOH SOURCE SPECIFICATIONS: OPTIONAL
EXTERNAL PAGE/
‘INPUT IMPEDANCE: 6OOQ BGM OUTPUTS
‘INPUT VOLTAGE:
RECOMMENDED LEVELS,
MIN. = 0.14 VRMS (-15 dBm)
MAX. = 0.77 VRMS (0 dBm)
TYPICAL MOH SOURCES:
l
TAPE PLAYER
l
TUNER I ,,,,,,,J
DK16 EXPANSION UNIT
PIOU/PIOUS (NOTE)
( ) PIN N0.s OF PIOU
AMPHENOL CONNECTOR NIGHT TRANSFER
MOH/NT
RELAY CONTACT
JUMPER PLUG (MAKE OR BREAK)
NOTE:
W2, IF USING PIOUS
(SEE FIGURE 7-7)
RELAY CONTACT SPECIFICATION:
24 VDC MAX.
1 AMPERE, MAX.
DKB KSU relay or DK16 Base Unit relay can be
programmed (77-l) 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) 7-2