Chiron Technology IRIS 8xx Series Guide de l'utilisateur télécharger pdf (Page 16)

only ever starts with a “0”, “1” or “2’. The IRIS Dialler discards the “9” and dials

the call using the subsequent digits.

2. The IRIS Dialler will call over ISDN if this is connected or over PSTN if not.

The installer therefore detects the route required (PSTN or ISDN) just by

plugging in the appropriate cable.

3. Most alarm diallers allow two ARC numbers to be programmed which can be

used in primary/backup mode or for dual path signalling. Various

combinations of routing can therefore be set up, depending on the numbers

entered:

• Primary and secondary routes over IP.

• Primary route over IP and secondary route over dial-up PSTN or ISDN.

• Primary and secondary routes over dial-up PSTN or ISDN.

• Primary route over dial-up PSTN or ISDN and secondary route over IP.

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Chiron Technology IRIS 8xx Series Guide de l'utilisateur Page 16