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DIVA T/A ISDN Modem User’s Guide 104

Appendix A: ISDN Line Termination

This section applies to S/T interface users in Australia and North

America. It provides instructions that help you set up termination

scenarios. Termination requirements vary according to the number of

devices connected to the NT1, and the distance between the devices

and the NT1.

Single ISDN Device

If the NT1 is connected to a single ISDN device (e.g. DIVA T/A),

follow the appropriate procedure below.

75 meters or more

If the connection spans 75 meters (250 feet) or more, set the DIVA

T/A 100

Ω switch to the On position. Set the NT1 to provide 100 Ω of

resistance. Consult the manual provided with your NT1 for more

detailed instructions.

Note: Some NT1s do not support connections over 75 meters (250

feet). Check your documentation to determine the distance supported.

75 meters or less

If the connection spans less than 75 meters (250 feet), set the DIVA

T/A 100

Ω switch to the Off position, and set the NT1 to 50 Ω of

resistance. Consult the manual provided with the NT1 for more

detailed instructions.

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Eicon Networks DIVA T/A ISDN Modem Guía de usuario Pagina 104