T-Point Isdn Interface (Tbri); Table 5-11 Maximum Number Of T-Point Isdn Interfaces Per System - Panasonic DBS 576 Technical Manual

Section 300-Installation

T-Point ISDN Interface (TBRI)

Guidelines
• T-point ISDN is accommodated by the TBRI/4 card which is installed in the
• T-point ISDN is connected via NT1 (Network Termination Unit (NT1)).
• T-point ISDN is connected to the TBRI/4 card using 8-conductor modular
• The TBRI/4 card can be attached or detached when the power is turned ON by
• When using T-point ISDN, you must install the synchronization package (VB-
• The CPC96, TSW288 or TSW576 card cannot be attached or detached when the
• Table 5-11 shows the maximum number of cards that can be installed in each
Table 5-11. Maximum Number of T-Point ISDN Interfaces Per System
System Type
96 ports (CAB96 1)
5
192 ports (CAB96 + CAB96B)
288 ports (CAB96 + CAB96B
384 ports (CAB96 2 + CAB96B
x
480 ports (CAB96 2 + CAB96Bx3)
x
576 ports (CAB96x2 + CAB96Bx4)
• Setting the rotary switch SW1 of the TBRI/4 enables you to display the status of
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flexible slot. Four T-point ISDN lines can be connected to each TBRI/4 card.
connectors. See Figure 5-9 for the pin configuration of the 8-conductor modular
connectors.
setting the maintenance switch (SW4). See page 5-1 for details.
44460) on a CPC96, TSW288 or TSW576 card.
power is turned ON . Always turn the power OFF when attaching or detaching.
system size.
2)
x
2)
x
the each interface condition using LAYER1 LED (lights in red when
synchronisation is completed) or LAYER2 LED (lights in red when DL (Data
Link) is completed).
Four lines on one single card are connected to an ISDN of the same station.
Therefore, the remaining synchronizations are automatically completed when
synchronization has been completed in any one of the lines.
Table 5-12 shows the settings of the line selection switch.
DBS 576 (USA), issued 6/2/98
Chapter 5 - Trunks and Extensions
TBRI/4 card
Maximum Cards
12
24
36
48
60
72
Maximum Lines
(No. of channels)
48/(96ch)
96/(192ch)
144/(288ch)
192/(384ch)
240/(480ch)
288/(576ch)
5-19