Reference Manual
Chapter 1: Overview
This manual describes the Telephone Line Simulator-4A which tests
telephones and other telecommunications devices.
The TLS-4A Telephone Line Simulator offers a convenient means for setting
up temporary "telephone lines" to demonstrate or test equipment where
actual central office lines are not easily available. The TLS-4A provides four
simulated lines, two "talk paths" or connections, and an audio interface port,
making it a versatile device for a variety of applications including:
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Static Protection
Use standard precautions in discharging electrostatic buildup before
operating this equipment or any other electrical equipment.
Features
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40-400-00033, Rev. A
Demonstrating or testing telecommunications devices such as
telephone sets, fax machines, and modems. Two simultaneous,
independent conversations can be set up over the four lines.
Playing prerecorded presentations over a line when the telephone
handset is lifted (for example, at trade show or museum displays)
As a teaching aid with the audio port configured to allow monitoring
and/or recording of a telephone conversation (for example, when
teaching children to use "9-1-1")
Testing telephone or key system installations
Limited testing of loop start PBX installations
Programmable operations:
—Two phone numbers for each line
—Forced disconnect
—Hot line ("ringdown") number
—Ring cadence 1-3 rings
—Hunt groups
—Immediate or dial access to audio port
—Tone or recorded message when an invalid number is dialed
—Monitor mode (allows recording phone calls for training use)
—PBX-like operations: call transfer, add on, hook flash
—Timing adjustments
—Second dial tone simulates outside line access
—Tone following disconnect
Provides four lines and two connections
Portability and quick, convenient setup
Chapter 1: Overview
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