Isdn Network Outline; Overview - Panasonic KX-TD816 Installation Manual

3.1 ISDN Network Outline

3.1 ISDN Network Outline

3.1.1 Overview

To use the ISDN Line Service, the following unit can be installed to the system.
2-ISDN S0 Line Unit (KX-TD280)
This unit adds two Basic Rate Interface (BRI) ISDN S0 lines. One KX-TD280 can be
connected to the KX-TD816 and KX-TD1232.
6-ISDN S0 Line Unit (KX-TD286)
This unit adds six Basic Rate Interface (BRI) ISDN S0 lines. One KX-TD286 can be connected
to the KX-TD816 and KX-TD1232.
When the KX-TD286 is installed in the KX-TD816, only four ISDN S0 lines are available for
outside lines and the other ports are for extension lines (ISDN extensions).
Primary Rate Interface ISDN Expansion Unit (KX-TD290)
This unit adds one Primary Rate Interface (PRI) ISDN line. One PRI ISDN line adds 30 outside
lines (outside lines 25 through 54) to the system. This unit can only be installed to the KX-
TD1232 Master system.
When this unit is installed to the system, the maximum number of available outside lines is
limited to 38. In the case of System Connection, the basic and extended outside line in the Slave
system cannot be used.
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ISDN Installation