
Introduction  
   9
ENGLISH
Before You Start
Before you start, make sure you have the items you need to install your Server
adapter and the corresponding software.
Item Description
Computer Your computer must have:
• a free slot that corresponds to the bus type of your adapter 
(
PCI
 or 
ISA
 (
EISA
))
• an installed operating system: 
Windows NT 3.51 (Service Pack 5), 
Windows NT 4.0 (Service Pack 3),
BackOffice Small Business Server 4.0a (DIVA 
Server BRI-2M only), Netware,
Windows for Workgroups 3.11 (except DIVA 
Server PRI), DOS 5.0 or higher, 
OS/2 2.
x
 or higher
• at least 8 MBytes of free hard-disk space for the software
Server adapter 
package This includes:
• Server adapter
• cable(s) needed to connect your ISDN line 
• ISDN Software Suite
CD-ROM
CD-ROM or 
diskettes for your 
operating system
You might be prompted to provide the CD-ROM or diskettes 
for your operating system during the software installation.
ISDN Basic Rate 
Interface (BRI) or 
Primary Rate 
Interface (PRI) 
line(s) 
ISDN lines are installed by your local telephone company.
Make sure that you get the appropriate line(s) for your 
adapter.
North America and Japan only:
 You might need a network 
terminating device (NT1).
Information about 
your ISDN line Your ISDN service provider has to supply the following 
information:
• ISDN switch type: This usually depends on your 
geographic location. Common switch types include 
Euro-ISDN DSS1 (used in Europe), 1TR6 (used mainly 
in PBX’s in Germany), NI-1 (used in North America), 
and 5ESS (used in North America).
• ISDN phone numbers for each ISDN line
•
North America only:
 Service Profile Identifiers (SPIDs) 
for each ISDN line