Music-on-Hold (MOH)/ Background Music (BGM) Options
Peripheral Installation
Strata DK40 I&M Manual Spring 1999
6-5
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
Music-On-
Hold
Source1
On/Off
Control
(24 Volt
Max)
CW1308 0.5mm
Twisted Pair
VR1
MOH/BGM
Volume Control
Max.
Music
MOH RCA
Jack
Page/BGM
Control
Page or
Background
Music
MOH over BGM
DK40 Base KSU
Music-On-
Hold
Backplane
Digital and
Electronic
Telephone
Speakers
Digital and
Electronic Telephone
BGM Dial Code
#481-ON
#480-OFF OR Tel Set Music (BGM)
PIOU/PEPU/PIOUS
Optional
External Page/
BGM Outputs
HESB or
Amplifier
&
Speaker
(38)
(13)
(50)
(25)
Speaker
SP0
600
SW4
SP1
3 Watt
amp.
Volume
VR1
SW4:
Optional Page Output
Switch 600Ω OR
3-Watt 8Ω.
Backplane
(9)
(34)
External BGM Dial
Code from
Electronic & Digital
Telephones
Port 000 Only:
#491-ON
#490-OFF
(MOH over BGM)
B
M
P11
Select
MOH
Prog. 77-1, 05
Relay Contact Specification:
24 VDC Max.
1 amp, Max.
MOH/NT
Relay Contact
Jumper Plug
(Make or Break)
( ) PIN No.s of PIOU/PEPU
Amphenol Connector
Note
BGM or MOH Source Specifications:
• Input Impedance: 600
Ω
• Input Voltage:
Recommended Levels,
Min. = 0.14 VRMS (-15 dBm)
Max. = 0.77 VRMS (0 dBm)
Ω
DK40 KSU
See MDF A & B
Wiring Diagrams (Chapter 4)
Loop Start Lines
Stations
MOH or
Night Transfer
Control
Relay
W2, IF
Using PIOUS
(See Figure 6-8)
(See Note)
NHT/NHR,
if Using PIOUS
600Ω
RCA
Jack
Exchange Line
and
Station PCBs
TIE Lines
Station PCBs
DDI Lines
1499
Notes
3-watt amp and SW4 are available with
PIOU and PEPU only; PIOUS provides
600 ohm output only.
DK40 Base Unit Relay can be
programmed (77-1) as the MOH control
relay, or the PIOU/PIOUS/PEPU
MOH/NT relay can be used to control
MOH.
600Ω
Port 000 Only:
#491-ON, #490-OFF
Figure 6-2 Music-on-Hold and Background Music (same source) Functional Diagra
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