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Administrator’s Guide for ViewStation EX, ViewStation FX, and VS4000
2-10 www.polycom.com/videodocumentation
Optional Equipment Set-up
This section describes how to connect optional components to theViewStation EX,
ViewStation FX, or VS4000 system.
Network Interface Modules
This section gives procedures for installing the following network interface
modules:
❑ Quad BRI — Allows you to connect to an ISDN network using up to four BRI
lines.
❑ PRI — Allows you to connect to an ISDN network using a PRI line. This option
is available for the ViewStation FX and VS4000.
❑ V.35/RS-449/RS-530 — Allows you to connect to third-party network
equipment, including encryption equipment and RS-366 dialers.
The diagram below shows a general view of how network interface modules are
installed.
ViewStation EX,
ViewStation FX,
or VS4000
Network
interface
module
External
power supply
(if using PRI)
Power source
Additional device such as
NT-1 if using Quad BRI,
CSU if using PRI,
encryption equipment if
using V.35/RS-449/RS-530
ISDN
network
UPS