AUTODIAL No. 105A
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This instruction describes the Signalling System MF Autodial No. 105A (XL Callmaker) which enables customers connected to multi-frequency exchanges to call other frequently used customers numbers without the necessity of remembering or dialling the telephone numbers. To call other customers' numbers either the push buttons of the autodial or the telephone to which the autodial is associated can be used. The 10 pulses per second version of this autodial is described in TI C3 S0104.
The autodial is a 'repertory dialler' with electronic circuitry incorporating programmable stores and a monitoring loudspeaker. It measures approximately 29cm x 19cm x 9.5cm and weighs approximately 2.5 kgm and is available in two tone grey only. The autodial is powered by a Power Unit No. 53 which is mains operated. Two Batteries Secondary No. 22 are required to maintain the stores (for up to 72 hrs) under mains failure conditions.
The autodial has an electronic number store in which a maximum of 46 telephone numbers each with up to 19 digits may be held.
An amplifier with three volume positions and a loudspeaker are provided to monitor the progress of calls. The handset of the associated telephone need only be lifted for conversation when the call has matured.
When using the autodial, the last manually keyed telephone number is automatically stored so that it may be readily repeated, by pressing the 'REPEAT' button.
A stored number is erased when a new number is put in the same address.
A pause facility (for use when the autodial is attached to a PABX extension) enables the autodial to wait for, and detect secondary dial tone (public exchange) after the access digit is sent. If the autodial fails to recognise the public exchange dial tone a 'continue' button (marked C) may be pressed to override the lack of detection.
A 'monitor' button (marked M) is provided to allow, via the loudspeaker, continued listening only (e.g. to a recorded announcement).
An 'on/off' button (marked D) is provided to allow the autodial to be switched off to prevent accidental operation.
NOTE: The mains supply to the power unit must be left on at all times, otherwise the stored information may be lost.
A lamp is provided to indicate a call is being set up or is being monitored.
A 'CANCEL' button is provided to clear a call when the handset is on its rest (e.g. if the number called is engaged).
The telephone can be used for making and receiving calls independently of the autodial.
LIMITATIONS OF USE
The Autodial 105A can only be associated with a telephone which is connected to a multi frequency exchange line (either public or PABX) which accepts Signalling System Multi Frequency No 4 pulses.
The autodial can only be connected to one selected exchange line and is not suitable for use where a button has to be pressed on the telephone for dial tone, e.g. shared service, HES, PABX 6 extension or some extension plans.
Under mains failure conditions the keys of the autodial are inoperative, therefore it must be associated with a telephone having dialling facilities.
The length of cable between the power unit and the block terminal of the autodial should not exceed 25m.
The following items are required:-
1 - Autodial No 105A (customers instruction book included)
1 - Power Unit No 53B
1 - Block Terminal No 35A
2 - Batteries Secondary No 22
1 - Plugs for Socket-Outlet No 103 (Fused at 2 amps)
Cord, Flexible 3183Y 0.5 mm2 (to connect power unit to plug)
Cable, Dist 3595B/4W (to connect power unit output to BT)
The customer must provide a 3 Pin socket outlet adjacent to the place allocated for the power unit. The mains supply should be checked in accordance with TI A2 E1006.
The Power Unit No. 53B should be installed in accordance with TI C3 Q0020.
Fit the Block Terminal (BT No. 35A) so that the autodial can be positioned adjacent to the telephone.
Connect the incoming line, power unit, autodial and telephone to the block terminal as shown on Diagram N 2313. The power unit connections must be the correct way round.
Fit both Batteries Secondary No 22 in the compartment beneath the autodial and connect to the 2 pin plugs provided. Take care not to damage any wires when replacing the cover to the battery compartment.
NOTE: No attempt should be made to open the autodial.
Distinct testing operations are required to ensure the telephone and attached autodial are functioning correctly.
Normal Telephone Working Switch on the mains to the power unit and switch on the autodial by pressing the I button, which will stay down. Make sufficient test calls from the telephone to ensure it works correctly on its own.
Storing a Number Store a few numbers in the memory by the following method:-
Press the record button (marked R) which will stay down.
Choose a number store by pressing either the upper or lower store button (marked with black triangles).
Press the required address button.
Key the required digits using the autodial push buttons. If you make an error at this stage press the finish button (marked F) and start again.
Press the finish button.
To store further numbers carry out the above for each number.
When all telephone numbers required have been stored, release R.
If the telephone is an extension on a PABX and an access digit (e.g. 9) is normally dialled to obtain public exchange dial tone, the access digit must be keyed followed by one press of the pause button (marked P) before keying the telephone number. When storing the number of another extension on the same PABX the access digit and pause will not be necessary.
Using the Programmable Stores Make a few calls, choosing stores at random, as follows:-
Ensure the appropriate upper or lower number store button is depressed.
Press the desired address button.
The lamp will glow and dial tone will be heard in the loudspeaker followed after a pause by ringing tone, then the called party's voice. The telephone must be used to speak.
If the dial tone continues for more than 10 seconds, press C to continue sending the full stored number. Erasing a Number Check that a number is erased by entering a new number in the same store or by pressing R, address button, P, F, R. All testing numbers should be erased before handling over to the customer. It is not intended that the customer be shown this second method of erasing numbers.
Using test calls, check the following:-
The call automatically terminates after approximately 60 seconds if the handset is not lifted.
With the handset on its rest the call is terminated when the CANCEL button is pressed.
Lifting the handset, holding down the 'M' button, replacing the handset and then releasing 'M' allows continuous listening through the loud- speaker. The lamp should glow.
The three positions of the volume control work.
All test calls made that caused metering should be reported to the RSC in accordance with TI C3 A0070 to ensure the customer is credited for metered test calls.
Make sure the customer has a copy of "How to use the XL Callmaker" and demonstrate the use of the autodial. The plastic cover to each address button is removable so that customers can print on the paper labels. The customer should be advised to make sure the label is the correct way up to match the colour of the upper and lower store buttons. New labels will be available from the Area Traffic Division or THQ/Tmkl.6.3.1.
Introduced in 1979.
Last revised: April 27, 2023