Ascotel IntelliGate 2025/2045/2065
Part 4 Mounting the PBX 717
Fig. 4.8: ab/AD2 Connection Module
S/T Connection Module
The S/T connection module contains 8 RJ45 sockets for 8 S and/or 8 T interfaces.
The wiring to the expansion cards consists of two prefabricated 16-wire connect-
ing cables or 4 quad two-conductor pillar terminal blocks. Each connection mod-
ule features two 16-pin sockets for S and T interfaces to accommodate the differ-
ent wiring of the S and T interfaces. This means that the combinations 8 x S, 4 x
T/4 x S or 8 x T are all possible with the 16-wire connecting cables. As the S/T inter-
faces on the mainboard and expansion cards are individually switchable, individ-
ual interfaces can also be wired to the connection module via pillar terminal
blocks. The assignment of the 16-wire connecting cable, and also of the 16-pin S
and T sockets on the connection module, is described in the Chapters "S user-net-
work interfaces", page 776 and "Basic access T", page 752.
1
2
15
16
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B
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X.6 X.5 X.4 X.3 X.2 X.1
B
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8
7
6
5
4
3
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1
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