TetraFlex® System controller (SB421)

The DAMM SB421 Service box - offers support for up to two BS421's and contains the system controller, network and power supply services.

The TetraFlex^® system controller is designed for out-door use and to be mounted directly on the antenna mast in a distance of up to 150 meters from the base stations. The unit is to be fastened and installed on a back plate, which is supplied with the controller - including clamps from 30 - 102 mm Ø. As an option mounting kits to fit units up to 200 mm Ø can be supplied. The unit is supplied with individual lock system but can optional be delivered with system lock and system key.

Controller facilities

In the unit is a built-in Pentium CPU and hard disk including the operating system Microsoft XP Embedded. In addition to this the system is supplied with built-in Ethernet switch permitting LAN connection to 2 base stations and WAN connection for remote dispatchers and network management equipment, application servers and also PABX and SDS gatekeepers.

The controller is supplied with TetraFlex^® software in the form of site control facilities, support both for local and remote dispatcher and network management facilities and also a number of the well known TetraFlex^® facilities. (See separate TetraFlex^® brochure).

When supplying the controller, client software and hardware dongle for 1 remote PC for dispatcher and network management is also included. On demand software and dongles for up to three dispatchers and network management stations working simultaneously can be supplied.

The TetraFlex^® system controller is in the daily operations self-contained due to the fact that the TetraFlex^® subscriber- and system database is installed on the unit implying that the joint configuration ensures an optimum TETRA operation in case of disconnections in the IP connection to any remote equipment.

Power supply and charging

The unit is equipped with a built-in power supply for connection of 100-240 V AC, with -48 V DC output for own circuits and for 2 DAMM BS421 base stations. The unit is included a control and charging circuit for the optional internal battery module as well as for 3rd party external battery units. The internal battery module supplies battery back-up for up to two hours of operation depending on the number of base stations.

The unit is lightening protected by internal circuits. For service and maintenance purposes the unit can easily be dismounted from the mast by means of connection boards, which disconnects all cable connections at the same time. (See picture on next page).

Optional redundant configuration

The TetraFlex^® system controller can be supplied with software for connection of a second controller implying that a single site, 4-carrier configuration can be optained. This configuration offers full redundancy with no single point of failure. In case of this option please contact DAMM system sales.

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