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Toshiba Strata VI Installation Instructions Manual page 22

Electronic key telephone system

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FIGURE 28
the two MOH terminals on the MTOU
barrier strip.
Input impedance is 600
ohms.
11.20
MusiC-On-Hold Volume Control
11.21
Adjust the MOH volume with
the
MOH
volume control on the front
of
the
MTOU.
Maximum
volume
is
limited by internal circuits in order to
comply
with
FCC
regulations.
See
Paragraph 11.80 for the correct volume
setting sequence.
11.30
External Paging Connectiom
11.31
The STRATA VI provides ac-
cess to an external paging system by
dialing a single digit (7).
The single
output
connection
is
made
via
the
8/600
terminals on
the front
of the
MTOU terminal, and can be used in one
of three ways:
a) To
operate
a
speak er
directly,
3-watt
amplifier
MTOU PCB.
customer-provided
via
an
internal
located
on
the
b) If more than 3 watts are required,
an external customer-provided amp-
lifier can be connected to operate
the external speaker.
SECTION 100-006-200
INSTALLATION INSTRUCTIONS
DECEMBER 1982
c) If talk-back capability is required,
a customer-provided talk-back amp-
lifier /speaker can be connected.
NOTE:
See Paragraph
correct
volume
quence.
11. 80
for
the
setting
se-
11.40
nee ti on
Direct External Speaker Con-
11.41
The exact number of speakers
that may be connected to the 8-ohm,
3-watt output will depend on the type
of speak er used, the conductor resis-
tance, and the desired volume.
11.42
The 8-ohm output
impedance
must be selected with the SW 2 switch
on the MTOU (Figure 29).
The switch
must be on the side labeled
11
8
11 •
FIGURE 29
11.43
Connect the external speaker
to
the
two
8/600
terminals
on
the
MTOU PCB.
11.44
Adjust
the
speaker
volume
with the
EX.SP
volume control on the
front
of the
MTOU.
See Paragraph
11.80 for
the correct volume setting
sequence.
11.50
External Amplifier Connection
11.51
If
more
power
is
required
- 19 -

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