The Dimetra EBTS provides the TETRA RF link between the Switching and Management infrastructure (SwMI) and the mobile radio terminals of the Dimetra system.
With reduced power consumption and improved serviceability the EBTS design accommodate easy installation, commissioning and maintenance
Dimetra EBTS site equipment also includes an external or internal GPS synchronisation system, power supply sub systems and X.21 or E1 bearer circuit terminations. The EBTS is incorporated in 1.85 m cabinets with lockable doors.
Various configurations are available to meet capacity requirements ranging from 4 to 96 logical channels. The cabinet has front module access and top cable entry. Cable connections are accessed via a junction panel on the top of the cabinet. An EBTS cabinet can accommodate up to 4 BRs (16 logical channels) with RFDS.
To increase channel capacity (up to 32 logical channels in the omni-site and up to 96 in a 3 sectors site) additional cabinets with the appropriate number of BRs and associated RFDS equipment can be added. Primary power for the standard EBTS is 48 VDC (positive earth). With the use of external equipment, the EBTS can also operate from a variety of AC or DC power sources. The EBTS offers now an extended temperature range, from -20° to +55°C.
With reduced power consumption and improved serviceability the EBTS design accommodate easy installation, commissioning and maintenance.
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