Connect Systems CS1001 Manual de instalación descargar pdf (Pagina 27)

ISDN2 Line + CS0700 Converter

Fig 14

Home Highway, Business Highway

Home Highway or Business Highway is the marketing name for a ‘basic rate’

ISDN2 line supplied by BT with an NTE9 NTP.

The NTE9 NTP provides two S-Bus sockets, it includes an ISDN-Analogue

converter and two analogue telephone sockets. This type of NTP can have an

analogue phone, fax, modem etc.connected at either or both of the analogue

telephone sockets. Dualcom may be connected to these analogue connectors.

See Fig 15.

Power for the NTE9 comes from the exchange equipment via the ISDN line and

also from the mains supply at the users premises.

ISDN2e (Integrated System Digital Network, 2 channel)

A ‘basic rate’ ISDN telephone line can carry the equivalent of two simultaneous

calls. In UK, a ‘basic rate’ ISDN line is called ISDN2 or ISDN2e. Some suppli-

ers call an ISDN2e line ‘Home Highway’ or ‘Business Highway’. See below.

Where an ISDN2 line is fitted but an analogue line is required, e.g. for Dualcom,

then the CSL CS0700 ISDN-Analogue converter may be used. The CS0700 has

some important features especially for security communications including over-

ride’ line grab’. Refer to the CS0700 manual and see Fig 14.

Dualcom can not be directly connected to a digital telephone line.

An ISDN2 line can be provided as ‘point-to-point’ or ‘point-to-multipoint’. Where

there is only one item connected to the S-bus then a ‘point-to-point’ service is

OK. Where two or more items are connected to the S-bus then a ‘point-to-

multipoint’ must be provided.

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Connect Systems CS1001 Manual de instalación Pagina 27