Menvier Security TSD401 Uživatelský manuál stáhnout pdf (Strana 16)

Menvier Security

Kenn Road Clevedon Avon BS21 6LH

Tel 01275 870078 Fax 01275 343453

E.Mail http//:www.menviersecurity.co.uk

TECHNICAL BULLETIN

No. 001/3/95

DC54 and DC58 Digital Communicators

Old Pulse Dial exchanges

Between 90 and 95%of telephone exchanges in the UK are the modern digital type, this type

of exchange accepts Pulse or Tone dialling formats and offers the users access to 'BT

Network Services' (Three-way calling, Call Diversion etc.). The remainder of the exchanges are

the older Pulse dial type and are normally found in rural areas of the UK. British Telecom are

actively changing the older type of exchanges for the more modern digital type. To find out

what type of exchange is in operation in your area, contact BT for advice.

In order for the DC54 or DC58 to work correctly on the older type exchanges the telephone

numbers MUST be programmed to Pulse dial, this will disable Three-way calling, as it is not

available on this type of exchange. The numbers are programmed as follows:

1. Ensure the display shows the selected telephone number, e.g., 'TELEPHONE NO.1'

2. Press the



key and the display will show a `P' in the first character position.

3. Now enter the telephone number of the central station, e.g., 01811234567 when entered

the display will show `P01811234567'.

4. Press the



key to accept the telephone number and repeat for telephone numbers 2 and

3, if appropriate.

If the DC54 or DC58 NVM is to be programmed by Menvier Security, please put a `P' in the

first box for each telephone Number on the NVM Programming Form (Back page of Installation

and Programming Manual).

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Menvier Security TSD401 Uživatelský manuál Strana 16