I.20 What is required for an ISDN hookup?

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Buy a ZyXEL modem that is ISDN equipped, or buy the ISDN upgrade module for
the new ZyXEL modem.  Get an ISDN line wired to premises.  Subscribe to BRI
ISDN.  Buy a a NT1 adapter (U interface).  Plug the modem into the NT1 adapter
and plug the NT1 into the ISDN connection.  The ZyXEL modem (technically no
longer a MODulator/DEModulator) is now connected via ISDN.

Top Document: ZyXEL modem FAQ List v4.2, Nov 20 1995, Part 4 of 5 [Info / IDSN]
Previous Document: I.19 What is ISDN?
Next Document: I.21 Why doesn't ZyXEL include the NT1?

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