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Summary of Contents for aci TIF-401
- Page 1 TIF-401 Telephone Interface Installation and Reference ACI-AppliCAD, Inc. Version 1.81 Applies to serial numbers 0952xxxx and below.
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Page 2: Table Of Contents
Table of Contents First Things First ---------------------------------- 2 • Features & Benefits • What’s In the Box • FCC Information Quick Start Guide -------------------------------- 5 • Beginning Operation • Automatic Answering • Two-Way Operation Installation Guide -------------------------------- 9 • Telephone Jacks •... -
Page 3: First Things First
– Introduction Imagine having dial-up callers participating in your conference, meeting, or program. The TIF-401 Telephone Interface extends two-way discussions over regular phone lines. Microprocessor control provides many smart features – these make it easy for both your callers and your on-site participants to enjoy the program. Your Telephone Interface can make a real accessibility difference for those who need to participate yet cannot be present. -
Page 4: Power Requirements
Timeout – Built-in timers disconnect each line after three hours continuous use, to limit needless charges for lines inadvertently left connected. Selectable Comment Request Key – If the TIF-401’s factory setting of “#” for comment requests conflicts with systems that use “#” for another purpose (such as disconnecting a call), you can select... - Page 5 ACTA. See installation instructions (Pages 10-11) for details. Ringer Equivalence – The TIF-401’s Ringer Equivalence Number (REN) is 0.07B. The REN is used to determine the number of devices that may be connected to a telephone line. Excessive RENs on a telephone line may result in the devices not ringing in response to an incoming call.
- Page 6 The best way to get familiar with your Telephone Interface is to use it. This Quick Start Guide takes you To set up your TIF-401 for this run-through, you’ll need a through the basic connections, and then shows how to operate standard desk telephone, a live phone jack, two telephone the most-used features.
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Page 7: Quick Start Guide
• Pick up its handset – you’ll hear a dial tone. You could place a call this way if you desire. The TIF-401 “wakes up” with LINE #1 “monitored” (routed to the Monitor Phone). Since your phone line is plugged into LINE #1 jack, you’re now on that line. -
Page 8: Automatic Answering
Its LED illuminates. In this AUTO ANSWER mode, the TIF-401 automatically connects to ringing lines. When in Auto Answer mode, the monitor feature defaults to OFF (you can still select a line to monitor, but it won’t automatically switch to the ringing line as before). To cancel Auto Answer, just press its button again. - Page 9 If you plan on your callers only listening to your program, this output to an available input on your PA system’s mixer. you can now place your TIF-401 into regular use. Refer to the For this test, any sort of audio amplifier and speaker will do.
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Page 10: Two-Way Operation
Either use the AUTO ANSWER feature or connect manually. Request from a Caller – The TIF-401 is factory set to recognize the “#” key for comment requests, though you can choose a different button. When a caller wishes to make a comment, they press this key. - Page 11 Although phone jacks have four wires, only the first pair – red (ring) and green (tip) – is used by single-line phones (as well as the TIF-401, which has four single-line jacks). If each of your telephone lines ends in a single pair cable (as shown below), simply...
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Page 12: Installation Guide
White with grey stripes Grey with white stripes Mounting – The TIF-401 fits into one 19" rack space. It needs no support beyond the panel mounting screws. Place it where the operator can reach it, as well as one rack space away from heat-generating gear such as power amplifiers. -
Page 13: Rear-Panel Diagram
Installation Guide – Rear Panel Diagram Microphone Input Jack Auxiliary Input Jacks Compress Output Jack Provides sound pickup for small Connect any line-level This jack provides a level- groups. Lo-Z, balanced XLR. sources for mixing with the compressed version of your telephone voice appearing program from the LINE IN or MIC Standard microphone wiring:... - Page 14 Line Out – When callers are recognized and speak, their voice appears at the LINE OUT jack. Connect to an available line-level input at your sound system’s mixer. If your mixer’s line inputs are all taken by existing sources, try passing one of them through the TIF-401’s AUX Input(s) -- see bottom of page 14.
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Page 15: Audio Connections
AUX or LINE inputs. These inputs mix stereo sources to mono without paralleling (as would happen with a “Y” adapter). Note that the pass-through from AUX IN to LINE OUT only functions when the TIF-401 is powered on. - Page 16 Installation Guide – Wiring Relay Signaling Contacts The REQUEST and RING Relay contacts allow your Telephone Interface to operate a remote signaling device whenever a caller makes a request, or a phone line rings (respectively). Here’s how to use these features. The REQUEST Relay terminals are shown connected below;...
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Page 17: Adjusting Mic & Line Transmit Gains
Correctly adjusted, incoming sound reaches the ideal input range shown on the graph below. Then the TIF-401 maintains its ideal output range as shown. The Compress LED responds to sounds within the ideal range, which helps you find the correct settings. -
Page 18: Interconnecting Two Tif-401S
Installation Guide – Interconnecting Two TIF-401s Two units can be installed to handle up to eight telephone lines. Each unit needs its own power, ground, and monitor phone (we suggest using a two-line phone). Don’t try to adapt one single-line phone to the two MONITOR PHONE jacks, as that could short two lines together. -
Page 19: Reference
Try connecting a standard telephone set (such as your Monitor Phone) to the suspect line as a test. If the line tests good but your TIF-401 doesn’t recognize it, try another phone cord. -
Page 20: Changing Your Comment Request Key
“#” key. To set a new Comment Request key, you’ll need a phone line connected to your TIF-401, and a nearby telephone (on another line) you can use to call in. Follow this procedure: •... -
Page 21: How It Works
Line Sensing – About ten seconds after a call concludes, your phone company momentarily drops • the DC power (“loop current”). This is called CPC (Calling Party Control). The TIF-401 senses this to determine that a call has ended. Then it disconnects and frees that line. Most telephone exchanges also drop loop current when they quit sending dial tone after a phone has been left “off hook”. -
Page 22: Specifications
Transmit compression is set to limit excessively loud sounds without unduly amplifying background noise. Adjusting the MIC and LINE gains properly helps the TIF-401 distinguish between room noise and useful sound. Receive compression also limits loud sounds, but in addition it brings weak sounds up toward normal level. - Page 23 Telephone Interface malfunction, we’re here to help. If your TIF-401 won’t power up (its POWER LED remains dark yet AC power is present at your outlet), the difficulty may lie with either the unit itself or its AC wall adapter. Though you need not troubleshoot this further, someone at your location having basic electrical skills could measure the adapter’s AC voltage with a...
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