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T E T R A D ATA S H E E T
eXTRAS FTS100
eXTRAS FTS100
TE TRA NE T WORK CORE
eXTRAS FTS100 provides the centralised IP-based TETRA
switch infrastructure for interconnecting multiple base
stations and external connectivity to third-party systems
including IT applications, SIP Gateways, PBX and PSTN.
Going further in critical communications
T E T R A D ATA S H E E T
eXTRAS FTS100
eXTRAS FTS100 also offers:
› IP-based switching infrastructure
› Low cost of entry
› Modular and scalable for all market needs
› Deployable with high-availability
› COTS (Commercial Off-the-Shelf) hardware
eXTRAS FTS100
TE TRA NE T WORK CORE
The FTS100 central controller manages several central tasks of the TETRA infrastructure:
› Call control (call setup/call termination)
› Mobility management
› Distribution of network-wide status information
› Interface to the gateway servers which can be co-located with
the FTS100
The IP-based eXTRAS system architecture consists of decentralised base
stations connected over an IP-based TETRA network.
Unlike other architectures, the central controller of the switching system
does not assume any duties of the base stations. The control of the Air
Interface – including arranging conversations within the cell, registration
of terminals and assigning radio channels – happens exclusively in the
base station; it does not require any resources from the central switch.
This distributed architecture enables the base station to fully function in
fall-back mode.
For high availability demands, a hot stand-by solution is available. Should
the active switch fail, or connection be interrupted, the stand-by switch
will take over. No active or waiting calls will be dropped.
The eXTRAS central unit consists of high quality industrial-grade COTS
(Commercial Off-the-Shelf ) hardware with Windows server operation
systems, ensuring it is adaptable to the system requirements. High
availability is assured through scalable redundancy and the ability to
employ redundant central units at different physical locations.
Interfaces
› For transition to PABX and PSTN networks: ISDN, QSIG, 8 x S0 or
2 x S2M per gateway, S2M PRI G.704 with 30 B-channels,
1 D channel S0 with 2 B-channel (64 kbps), 1 D channel (16 kbps)
› For transition to VoIP systems: SIP, RTP, IP
› For transition to analogue radio: E&M 8 analogue channels per
gateway, E&M, PTT/SQU
› For SDS and status messages: IP for data and address information,
multiple applications in parallel operation
› For SDS e-mail gateway: IP, POP3, SMTP
› For packet data IP for data and address information, multiple
applications in parallel operation
› For LAN dispatcher (over ethernet connected PC-based dispatcher
working station): IP, RTP up to 16 dispatchers in parallel operation
per gateway
› API for dispatcher, DGNA-API (Dynamic Group Assignment) to
realise object calls, etc.
› SNMP interface for NMS integration
Configuration can be customised to the required specification.
Sepura’s policy is to continually improve its products and services. The features and facilities described in this document were correct at publication, but are subject to change without notice.
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