2 947305
PABX,
ELECTRONIC
OR 1A2 KEY
SYSTEM OR
DEDICATED
SINGLE LINE
TELEPH O NE
V-2990
R IN G
DOW N
DEVICE
V -2 9 2 0
CONTROL
U N IT
4 5 O H M
TALKBAC K
SPEAKER
CALL BUTTON
(U P T O 2 0 Z O N E S )
FIG UR E 1
SIM PLIFIED B LO C K DIA G R A M O F A TYPIC A L IN STA LLA TIO N
Dimensions/Weight
• Control Unit - 8.55" H x 11.0" W x 2.35" D
(21.72cm H x 27.94cm W x 5.97cm D)
• 6.7 lbs. (3.04 kg)
• Ring Down Device – 8.2”H x 4.55”W x 2.3”D
(20.83cm H x 11.56cm W x 5.84cm D)
• 1.25 lbs. (.57 kg)
• Power Supply – 3.0”H x 2.5”W x 2.0”D
(7.62cm H x 6.35cm W x 5.08cm D)
• 0.8 lbs. (.36 kg)
Nominal Specifications
V-2920 - Control Unit
• Input Impedance: 600 Ohms
• Input Level: -10 dBm
• Output Impedance: 45 Ohms
• Aux/Music Input: 8-600 Ohm low level
V-2990 - Ring Down Device
• Input Impedance: 600 Ohms
• Output Voltage: 90 Vac ring generator
VP-324 - Power Supply
• - Output: 24 Vdc +/- 3 V "B" Battery
(Unfiltered Signal Battery)
Numbering Plan
• The dialing codes are 10 to 29 and 0 for all call.
Auxiliary Contacts
The V-2920 is equipped with 6 sets of auxiliary
contact closures. They are:
Lamp Contact Operates on loop closure.
Ring Contact Follows ringing cycle 2
seconds "ON", 4 seconds
"OFF".
Zone 26 Contact Operates when station 26 is dialed
and the "*" key is pressed.
Zone 27 Contact Operates when station 27 is dialed
and the "*" key is pressed.
Zone 28 Contact Operates when station 28 is dialed
and the "*" key is pressed.
Zone 29 Contact Operates when station 29 is dialed
and the "*" key is pressed.
Volume Controls
The V-2920 is equipped with 5 volume controls.
• Phone to Speaker - Adjusts the transmit volume.
• Speaker to Phone - Adjusts the receive volume.
• Music 1 adjusts background music for zones
10-19.
• Music 2 adjusts background music for zones
20-29.
• All Call adjusts the one-way all call level.
Power Requirements
V-2920 - Control Unit
Voltage: 115 Vac
Power: 30 Watts
V-2990 - Ring Down Device
Power: -21.5 to -26.0 Vdc, 200 mA
VP-324 - Power Supply
Input: 105-120 Vac, 60 Hz, 18 watts
Environment
• Temperature: 0 to 40 Degrees C
• Humidity: 0 to 85% non-precipitating
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