Toshiba strata CT Installation & Maintenance Manual page 193

CW1308 0.5
Twisted Pair
Music-On-
Hold
Source1
On/Off
Control
(24 Volt
Max)
Note
BGM or MOH Source Specifications:
• Input Impedance: 600W
• Input Voltage:
Recommended Levels,
H
Min. = 0.14 VRMS (-15 dBm)
Max. = 0.77 VRMS (0 dBm)
C
3-watt amp and SW4 are available with
Note
PIOU and PEPU only; PIOUS provides
600 ohm output only.
Figure 6-2
Strata CT I&M Manual October 2000
B_C_U RCTU
VR1
MOH/BGM
Volume Control
Max.
Music
MOH RCA
Jack
Page/BGM
Control
Backplane
( ) PIN No.s of PIOU/PEPU
Amphenol Connector
MOH/NT
Relay Contact
Jumper Plug
(Make or Break)
Music-on-Hold and Background Music (same source) Functional Diagram
Backplane
Exchange Line
Music-On-
Station PCBs
Hold
Page or
Background
Music Station PCBs
PIOU/PEPU/PIOUS
SP0
600
SW4
SP1
Volume
VR1
SW4:
Optional Page Output
Switch 600Ω OR
3-Watt 8Ω.
(9)
MOH or
B
Night Transfer
(34)
Control
Relay
M
P11
Prog. 77-1, 05
W2, IF Relay Contact Specification:
Using PIOUS
24 VDC Max.
(See Figure 6-8)
1 amp, Max.
Peripheral Installation
See MDF A & B
Wiring Diagrams (Chapter 4)
DDI Lines
TIE Lines
&
Exchange Lines (Loop)
Stations
Digital and
Electronic
Telephone
Speakers
Digital and
Electronic Telephone
BGM Dial Code
#481-ON
#480-OFF OR Tel Set Music (BGM)
NHT/NHR,
if Using PIOUS
Optional
External Page/
BGM Outputs
HESB or
Ω
(38)
Amplifier
(13)
&
Speaker
3 Watt
(50)
amp.
Speaker
(25)
External BGM Dial
Code from
Electronic & Digital
Telephones
Port 000 Only:
#491-ON
#490-OFF
(MOH over BGM)
Select
MOH
4253
6-5