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TECHNICAL
TECHNICAL
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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 prior-
ity 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 (PRIOR-
ITY) 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. Note: With some Central Office equipment, it may take up to 20 seconds to disconnect an
incoming call to the non-priority device. The emergency device must be capable of delaying this long before dialing.
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• Adjustable disconnect time
• 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
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A Smart Line Sharing Device with
Inbound Switching Capability
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• 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
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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
LSD-2
LSD-2
Line Sharing
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Device
April 9, 2007
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Table of Contents
Related Manuals for Viking LSD-2
Summary of Contents for Viking LSD-2
- Page 1 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. Note: With some Central Office equipment, it may take up to 20 seconds to disconnect an incoming call to the non-priority device.
- Page 2 Viking warrants its products to be free from defects in the workmanship or materials, under normal use and service, for a period of one year from the date of purchase from any authorized Viking dis- tributor or 18 months from the date manufactured, which ever is greater. If at any time during the warranty period, the product is deemed defective or malfunctions, return the product to Viking Electronics, Inc., 1531 Industrial Street, Hudson, WI., 54016.
- Page 3 The length of time that the LSD-2 disconnects the DEVICE 1 port before gaining fresh dial tone for a DEVICE 2 (PRI- ORITY) call, is factory set to 2 seconds. If this is not enough time for the line to return fresh dial tone, the LSD-2 can be programmed to delay anywhere from 1 to 20 seconds.
- Page 4 ID numbers. Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking Electronics, and its affiliates and/or subsidiaries assume no responsibility for errors and omissions contained in this information. Revisions of this document or new editions of it may be issued to incorporate such changes.
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