
MultiModem ISI Hybrid Series, ISIHI-2S/2U 47
Chapter 3—Software/Driver Installation
Configuring the Terminal Adapter
Introduction
North American users must configure the terminal adapter to match network switch type,
the service profile identifier (SPID), and the directory number (DN). For international
users, the terminal adapter ships already configured for NET3, which should work on
most phone lines in Europe. However, you may want to customize settings, regardless of
your location. (See Optional Settings on the following page.)
You can configure the terminal adapters with ISDN TA Configuration utility,
ConfigMenu, or with AT commands. Instructions for all three are provided in this section.
ISDN TA Configuration Utilityrecommended for computers with Windows 95 and
Windows NT, version 4.0, operating systems.
ConfigMenurecommended for computers with DOS or Windows 3.x and a VT100/
ANSI compatible terminal or data communication program that includes VT100/ANSI
terminal emulation.
AT Commandsallow you to fine tune TA operation with AT commands and
S-registers. Enter these commands in your data communication programs terminal
mode. AT commands are described in detail in the Chapter 4.
North American Users
Before you connect the ISIHI-2S/2U to your network terminator, you must configure it to
match the following:
Network Switch Type ______________________
Select the network switch type your ISDN service uses at its local central office.You
can set the TA to NET3, AT&T 5ESS, NT DMS-100, or US National ISDN-1. In the US
the TA defaults to NI 1. In Europe, the TA defaults to NET3. If you dont know the
switch type, get the information from the local phone company.
AT command: !CO=
SPIDs and DNs __________________________
The TA must be configured with the Service Profile Identifier (SPID). The SPID,
assigned by the local phone company, is for the specific BRI line where TA is attached.
The SPID field is empty prior to configuration. AT command: AT!C6= and AT*!C6
The Directory Number (DN) is the phone number another user would call to contact
this TA once it is attached to the ISDN. AT commands: AT!N1= and AT*!N1=
Note: SPIDs only apply for North American switch types.
International Users
The terminal adapters ship already configured for NET3, which should work for most
telephone lines in Europe. If you want to customize settings, refer to the Optional
Configurations on the following page.
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