ASCOM Ascotel 2025 System Manual page 136

A D channel is used for signalling the pager. This means that several parallel pag-
ing operations are possible, with one S interface usually being sufficient.
User information channels (B) are used only for transmitting voice messages, pro-
vided the feature is supported in the first place. In this case more S interfaces are
required accordingly. Transmitting voice texts presupposes that the following
modules are fitted:
• for each paging system: 1 T941VM module
• for each S interface: the T941SM add-on module (in addition to the T941IS
interface module)
Configuration
For each PSI module for S interfaces you need to enter the connected user-net-
work interface. This allocation is made automatically by the system when the PSI
module is connected and can be barred manually via the configuration.
Note:
With PSI modules for S interfaces the terminal selection digit (TSD) is per-
manently set on 8 and cannot be modified. No other terminal should be
operated on the same S interface in parallel with a PSI module for S
interfaces.
The maximum number of search paths depends on the number of S
interface PSI modules since the search process is signalled via the D
channel. This means that one S-interface PSI module is sufficient under
normal circumstances.
Each pager is allocated a pager subscriber number – pager number for short – in
the system's numbering plan; the pager number is entered during the subscriber
configuration. The following allocations are possible:
• The same pager number for several subscribers
• The same pager number for several pagers (PSA feature)
• Several pager numbers on one pager (the maximum number is predefined by
the PSA)
Internal subscribers without their own terminal can also be equipped with a
pager.
HBT_20321104_01/B0_en Supplementary Equipment / Additional Applications
ascom Ascotel 2025/2045/2065
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