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Connections
___ 1.
Mount two 66B type punchdown blocks on
the backboard near the Control Unit
(V-2920) and Ring Down Device (V-2990)
and label the blocks per Figure 2.
___ 2.
Connect the control unit Tip and Ring (J1 -
W/BL, BL/W) to screw terminals 3 and 4 of
the ring down device.
___ 3.
Connect the control unit Ring contact
closure pair (J1 - W/GN, GN/W) to screw
terminals 5 and 6 of the ring down device.
___ 4.
Connect screw terminals 1 and 2 of the ring
down device to the appropriate C. O. port of
the telephone system.
___ 5.
Connect screw terminals 7 and 8 of the ring
unit to the VP-324 power supply "-" and "+"
terminals respectively.
Refer to Figure 3 for Wiring Designations.
Door Plate Connections
The following connections are for zone 10 of the
system. Other zones will connect in the same manner
to their appropriate terminals.
__ 1.
Connect Tip of the door plate speaker to
W/BL of block J2.
__ 2.
Connect Ring of the door plate speaker to
BL/W of block J2.
__ 3.
Connect one side of the door plate switch to
R/BL of block J1.
__ 4.
Connect the other side of the door plate
switch to BL/R of block J1.
NOTE: Two pair twisted station cable is
recommended for connections between the control
unit and the door plate speakers. (Refer to Figure 4).
Music Connections
The output of a low level music source connects to
W/OR,OR/W on block J1 of the control unit.
NOTE: Do not connect the output of a high
power amplifier to this input.
AC Power
Connect AC power cord after all required
connections have been accomplished.
Page and Music Level Set-Up
The control unit has volume controls for the
following functions:
•
Speaker to Phone
•
Phone to Speaker
•
All Call
•
Music One - Zones 10-19
•
Music Two - Zones 20-29
Refer to Figure 5 for user control locations.
Control Set-Up:
1. Set up Talkback Controls
(a)
The phone to speaker should be at a normal
listening level.
(b)
Speaker to Phone Level:
This is the most critical level; set the volume
at the lowest practical level. (It is better to
set it too low than too high).
(c)
Individual volume controls of any one-way
amplified speakers can then be adjusted for
normal listening level.
2. All Call Level
The all call level should be set to produce
the same audio level as the phone to speaker
control.
3. Background Music Levels
There are two volume controls provided for
background music adjustments: Zones
10-19 and 20-29.
It is important that these two background music
controls be used to adjust music levels in the system.
Adjust these controls after all other volume controls
have been set.
Auxiliary Contacts
Refer to Table 1 for description of the various contact
closures.
Setting of Program Dip Switches
Refer to Table 2 for dip switch functions.
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