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MJM Communications 
has been providing elevator telephones and telephone wiring, installation and elevator telephone repair services since 2004, Nationwide.

















ELEVATOR TELEPHONE LINE SEIZURE AND LINE CONSOLIDATORS
  Elevator telephone line sharing device LSD-2 Line Sharing Device allows the user to share an existing phone line with an emergency phone or other priority alarm device.                    

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for features and specifications.
                     Line Concentrator Elevator Telephone
A Smart Line Sharing Device with Inbound Switching Capability!

Why pay for a dedicated line for your elevator/emergency phone or alarm panel?

The LSD-2 Line Sharing Device allows the user to share an existing phone line with an emergency phone or other priority alarm device. This can save hundreds of dollars a year over leasing a dedicated phone line. The LSD-2 can be used on any C.O. line or analog PABX/KSU station.

An outbound call on the DEVICE 2 (PRIORITY) port takes priority over a call in progress on the DEVICE 1 port. Any call in progress on the DEVICE 1 port will be disconnected for 2 seconds, returning dial tone to the DEVICE 2 (PRIORITY) port. A busy signal is then sent to the DEVICE 1 port.

For incoming calls, the LSD-2 can route calls to the DEVICE 2 (PRIORITY) port using Caller ID, Distinctive Ring, or Quick Call Back. All other calls will be routed to the DEVICE 1. Alternatively, the LSD- 2 can be set up so that all inbound calls are routed to the DEVICE 2 (PRIORITY) port.

Note: Caller ID is not passed through the LSD-2 to the devices.

Important: When the emergency device is in use, the phone line is not available for normal use. Any additional emergency calls will have to be made on another phone line. For this reason the LSD-2 is not recommended for single line applications.

Applications
    Share an existing phone line with an emergency device such as:

    - Emergency phones

    - Area of refuge phones

    - Alarm panels

    - ATM's

    - Card readers

    - Any device that needs instant access to a phone line
Features
  • Routes both incoming and outgoing calls
  • Allows an Emergency device to share a phone line with other devices (fax machines, phones, modems)
  • Gives priority to the Emergency devices
  • Incoming calls routed to one of two ports by Caller ID, Distinctive Ring or Quick Call Back
  • Status LED displays mode of operation
  • Can store up to 12 Caller ID numbers
  • Provides a busy signal to the phone port when an Emergency device is in use
  • One year warranty
  • Made in the USA
Specifications
  • Power: 120VAC / 12VDC 500mA UL listed adapter provided
  • Dimensions: 133mm x 89mm x 44mm (5.25” x 3.5” x 1.75”)
  • Shipping Weight: .9 kg (2 lbs)
  • Environmental: 0° C to 32° C (32° F to 90° F) with 5% to 95% non-condensing humidity
  • Talk Battery: 35V DC
  • Connections: 6 screw terminals
Up to Eight Emergency Phones Can Share One Telephone Line  

The LC-8 Line Concentrator eliminates the monthly charges for dedicated phone lines to each elevator cab in an office, college, hotel, hospital, etc. A call initiated by any emergency phone is sent to the C.O. line. Subsequent calls activate call waiting tones to alert the emergency personnel that another phone has gone off-hook.

All inbound calls are answered by the LC-8. The emergency personnel then dials a Touch Tone command to connect to one of eight phones.

On both inbound and outbound calls, the emergency personnel can redirect the call to any of the other phones without hanging up. The LC-8 is compatible with all Viking emergency elevator phones, standard phones, modems and credit card readers.

Applications
    Sharing one line with up to (8):
    - Elevator phones
    - Emergency phones
    - Modems
    - Credit card readers
    - Standard telephones
Features
  • Automatic answering of inbound calls
  • Connects up to (8) emergency phones
  • Touch Tone transferring
  • Fire floor phone connection
  • Built in talk battery for fire floor phone
  • Call waiting notice
  • Paging feature
  • Fully functional battery backup
  • Non-volatile E memory for all programmable features
  • One year warranty
  • Made in the USA
Specifications
  • Power: 120V AC/13.8V AC 1.25A UL listed adapter provided
  • Dimensions: 210mm x 159mm x 44mm (8.25” x 6.25” x 1.75”)
  • Shipping Weight: 1.8 Kg (4 lbs)
  • Environmental: 0°C to 32°C (32°F to 90°F) with 5% to 95% noncondensing humidity
  • Connections: (1) RJ21
  • Battery Backup: 4 hours
 

We Can Help You Save Money in Annual Telephone Line Charges.

If you would like a comprehensive quote from MJM Communications, please tell us more about your current elevator telephones, including your annual dedicated line charges and your location. 
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