Section 700 - Operation
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through the Off-Premises Extension (OPX) Adaptor.
Off-premise phones can be connected through a direct line to the DBS or
through the central office, depending on how far they are from the main
cabinet. For specifications, see Installation (Section 300).
Feature operation for OPX extensions is the same as for local SLTs connected
to the DBS.
FF3 (Extension): Terminal Type
One OPX Adaptor (VB-43702) is required for each OPX extension.
When OPX extensions are connected through the central office, an
external ringer supply may be required. Tf required, the ringing supply is
connected to the OPX Adaptor.
Up to 8 OPX extensions can be connected to a system.
The DBS side of the OPX Adaptor is connected to a digital estension port.
Internal paging is accomplished through the speakers of your system's key
phones. The Paging feature allows you to contact someone temporarily away
DBS Manual - issued 8/l/95.
Chapter 2. System Features