Features and Parts Listings
D.O.C. NOTICE:
The Canadian Department of Communications label identifies certified equipment. The certification means that
the equipment meets certain telecommunications network protective, operational and safety requirements. The
Department does not guarantee the equipment will operate to the user’s satisfaction.
Before installing this equipment, user should ensure that it is permissible to connect to the facilities of the local
telecommunications company. The equipment must also be installed using an acceptable method of connection.
User should ensure that the telephone lines and metallic water pipe system (if present) are electrically grounded.
* Dimensions: Controller (17cmX17cmX4cm) Door-speaker (22cm H X 13cm W X 5.25cm D)
Features
The MDU-4 is a telephone based door intercom system that provides the system user(s) with the capability of
communicating to the Door Speaker Station from any installed telephone set, including most cordless phone(s).
Additional features include:
*
Provides high-quality audio communications capability between any telephone connected and the Door
Station Speaker.
* Unique telephone ringing pattern when Door Speaker Station button is pressed.
* Users able to activate communications and audio monitoring to the Door Station (one User at a time) for
up to 1 minute by pressing on from premise phone.
* Two Normally Open Relays are provided for device activation (ie: door strike etc).
* LED illumination at the Door Station Speaker.
* When the Door Station Speaker’s assigned Button is pressed, the User from that premise has up to 1
minute to answer the Door Station.
The User presses on their touch-tone phone to put their existing phone call on HOLD and switch to
the Door Station Speaker Pressing again will to
the existing cal .
* Call Forwarding capability which allows the User to call forward the Door Station Visitor call to any
programmable phone number (up to 30 digits).
*#1
Each relay is rated up to: (1 Amps at 24DC Volts).
* The MDU-4 system includes a “Door Station Call Waiting” feature which allows the User to switch from an
incoming phone call conversation to the Door Station Speaker. When the Door Station Button is pressed,
the User will hear a distinctive beep tone in the phone handset to alert the user that there is a visitor calling
at the door.
switch the User from the Door Station Speaker back
phone l
.
*4
*4
Note: The “Door Station Call Waiting” features is only functional when the Door Station
Speaker button is pressed. A User on an existing phone call cannot switch to the Door Station
Speaker until the Visitor has pressed the button.
*4
Parts list
The MDU-4 system is shipped from the factory with the following components:
* (1)- MDU-4 control unit
* (1)- MDU Door Station Speaker
* (1)- CSA/UL approved class 2 Power Supply, Input 120VAC, 60Hz, Output 16Vac 250 mA.
* (4)- Modular RJ-45 to RJ45 Male-To-Male patch cord (~36” long).
* (2)- Modular RJ-11 male patch cord with open-ends
* (1)- Mounting screw #6 [2” length] Phillips Style Head (for controller unit)
* (4)- Mounting screw #8 [1” length] Phillips Style Head (for Speaker Station unit)
* (4)- Mounting screw Anchors for the #8 [1” length] Phillips Style Head (for Speaker Station unit)
* (4)- RJ31X / CA38 Data Jack
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