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DTSystems TDS1 S/R Handbook

Telephone dialup system
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Issue 1.2
January 2006
Handbook Contents
Safety
Installation
Facilities
Operation
Troubleshooting
Warranty
Technical Details
This symbol is used to alert the user to important operating or
maintenance instructions.
The Lightning bolt triangle is used to alert the user to the risk of electric
shock.
SAFETY
1. It is important to read these instructions and follow them.
2. Keep this instruction manual for reference.
3. Do not operate this unit in a damp environment. It is not waterproof.
4. Refer installation and servicing to qualified personnel.
5. This unit is double insulated and safe to use without an earth connection. The
case does not connect to a protective earth unless provided by the screen of
the line input XLR connector (pin 1).
INSTALLATION - Please read ALL this Manual before starting
First of all, plan your installation and decide where to fit your TDS1 S/R. It needs
to be close to a telephone socket, have mains power and an audio signal feed. In
MANual mode, you will be using a telephone to call the listener, so it may be
convenient to install the unit in an ante or side room where no-one will be
disturbed by your conversations. The TDS1 S/R generates virtually no heat and
so can be installed in any dry, convenient location.
Unpack the unit and check the contents against the list above. As supplied, the
TDS1 S/R is set to 100V line working and the three hour timer enabled.
You will need the following to
S/R
get your TDS1
Working telephone line
Audio signal
Mains power
Another telephone eg a mobile to
test operation.
Two small screwdrivers, a posidrive
to remove the lid and a flat blade to
adjust the volume.
TDS1 S/R HANDBOOK
to work:
Telephone Socket
Telephone
Telephone Dialup System
For latest Handbook
see www.dt4u.com
Box Contents
1 x TDS1 S/R
1 x Power Supply
1 x Telephone Lead
1 x Handbook
PA Amplifier
Audio
TDS1 S/R
15V
ac/dc
Power
supply
Power

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Summary of Contents for DTSystems TDS1 S/R

  • Page 1 INSTALLATION - Please read ALL this Manual before starting First of all, plan your installation and decide where to fit your TDS1 S/R. It needs to be close to a telephone socket, have mains power and an audio signal feed. In...

  • Page 2: Input Attenuator

    INPUT ATTENUATOR Telephone XLR Audio Power XLR Audio Facilities Line In Input Output Socket Link Out Link In J1 J2 LED 5 Compressor Control J1 J2 NOTE: Not to scale. Drawn for clarity VR1 Adjust 100mA Output Send Volume PowerSupply Attenuator Fuse 20mm 100V...
  • Page 3 Start by wiring in the audio feed cable and terminate with a male 3 pin XLR plug. Wire the XLR plug according to the type of input signal as shown. Note that pin 1 of the XLR connects to the case of the TDS1 unit and should be grounded at the source end.
  • Page 4 Release the switch when the answer is finished. Note that switching by this method allows the TDS1 S/R to be used as the listening end of a telephone hookup system where one location can connect and listen in directly to the sound system of another remote location.
  • Page 5 The TDS1 S/R should again answer the call and connect to the PA sound. Release the call. MANual Mode Plug a telephone into the front of the TDS1 S/R and call the test telephone. Answer the call. Briefly move the switch on the TDS1 S/R to the H/R (Hold / Release) position.
  • Page 6 S/R operator may forget to disconnect the call and this could be expensive in call charges. By enabling the 3 hour timer link (J17), the TDS1 S/R will automatically release the call after 3 hours. Link Out - 3 hour timer disabled...
  • Page 7 TDS1 S/R, they certainly won’t help matters! Check all connections thoroughly and insulate between pins. Ensure that the switch on the TDS1 S/R is set to MANual if you wish to use remote switching. (Otherwise the remote AUTOmatic mode will not work).
  • Page 8 3 hours as a safety precaution though this option can be defeated by moving an internal link. Note that the TDS1 S/R when set to the MANual position and not holding a call, is effectively disconnected and will not answer calls or transmit any audio.
  • Page 9 The TDS1 S/R Dialup Unit is microprocessor controlled and makes use of surface mount technology to achieve small size together with high reliability. All components are conservatively rated to give a long service life.

  • Page 10: Warranty

    Remote LED doesn’t work - Reverse the connections. WARRANTY The TDS1 S/R is guaranteed for a period of 1 year from the date of purchase provided that it has been used in accordance with all these instructions. This warranty specifically does NOT cover damage by lightning or user abuse and is on condition that the unit is returned by prior agreement, to the supplier.
  • Page 11 TECHNICAL DETAILS Power: 15V AC/DC 100mA Fuses: 1 x 20mm 100mA Power 2 x 100mA Boxed Line Audio: 0.5V - 100V input Remote Start Capable of switching 50mA to 0V 5V output via 470Ù Resistor Remote LED REN: Approvals: CE approved Declaration Of Conformity - Available on request ACCESSORIES Available to special order and at additional cost for this product - see...
  • Page 12 TDS1 S/R Manual Iss1.cdr...