E-Key
C.O.Line
Position
V-2904
Universal
Four Door
Answering
System
Doorplate
Speaker
with
Pushbutton
Up to 4
Locations
FIGURE 1 - SIMPLIFIED BLOCK DIAGRAM OF A TYPICAL INSTALLATION
Power
Supply
Features
•
Compatible with PABX, E-Key and 1A2
telephone
•
Switch selectable - loop or ground start access
•
Provides handsfree talkback to four separate
locations
•
RJ11 modular connector for Tip and Ring
connections
•
Power ON LED
•
Provides contacts for up to four circuits
•
Programmable options:
Programming access code
Ring Pattern
Station Identification
Activate lock relay
Duration of lock relay activation
Time door can remain open after unlock
(exit delay time)
Entry delay time
Number of ring cycles
Disable station alarm
Alarm disable code
Station alert tone
•
Input for manual door unlock (push button)
•
Built-in 30Hz ring voltage generator with on/off
switch
•
Ringback tone to speaker
•
Calls can be placed On Hold
•
Call waiting
•
One-way all call with volume control
•
Background music input with volume control
•
Speaker to phone volume control
•
Phone to speaker volume control
•
Simultaneous calls placed in queue
•
Dial tone
•
Confirmation tone
•
Compatible with tone dial phones
•
Works with Valcom V-1072A doorplate speaker
or other Valcom one-way or talkback speakers.
•
Compatible with VPB-260 battery backup
Dimensions/Weight
Dimensions: 8.60" H x 11.00" W x 2.30" D
(21.84cm H x 27.94cm W x 5.84cm D)
Weight: 3.1 lbs. (1.41 kg)
Nominal Specifications
Input Impedance:
600 Ohms
Input Level:
-10dBm Nominal
Output Impedance:
45 Ohms
Ring Supply:
90VAC, 30Hz
Suitable for REN of 5.0
Power Requirements
Power Supply:
-24VDC filtered
600mA
minimum
Environment
Temperature:
0 to 40°C
Humidity:
0 to 85% (non-precipitating)
2
