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BS11Configuration » History » Revision 1

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laforge, 02/19/2016 10:47 PM


Configuration of BTSM Object * BS11 requires PCM30CRC4 64kBit/s no Subslots * OM Layer on Timeslot 1 * TEI for OM Layer default Siemens is 25 (but configurable in BS11 [wiki:LMT]) * the following parameters are not configurable * RSL Layer on Timeslot 1, too * TEI for RSL is fixed in Siemens equipment * TEI = 0 für TRX0 * TEI = 1 für TRX1 * Attention: if you select OM Layer TEI 0 oder 1, RSL can no longer be brought up * Timeslots for TCHs * TRX0: TS2 und TS3 * TRX1: TS4 und TS5 E1 interface
LI Objekt: Line MULTIDROP
Impedance 120 Ohm balanced to connect to HFC-E1 board
Additionally you will need to change some jumpers on the connector board
of BS11 (FIXME: which ones?) Database
Important database settings: * the database has to be downloaded from PC via E1 to BS11 * BCCH channel combination Type 5 oder 8 (including SDCCH for SMS) * TCH combination 0 oder 9 {{{
Cell config: Not hopping
No Concentric Cell = 0
Radiomeasgran =254
No Power Reduction = 0
Excessive distance =0 disabled
}}}
Files (4)
ps_plug.jpg View ps_plug.jpg 128 KB BS11 power supply plug laforge, 10/16/2008 11:27 AM
bs11_connections.jpg View bs11_connections.jpg 149 KB BS11 fully connected with PCM, power, antenna laforge, 10/16/2008 11:29 AM
bs11_power_lmt_cabling.jpg View bs11_power_lmt_cabling.jpg 376 KB Power and LMT cable attached to BS-11 laforge, 02/21/2009 03:36 PM
bs11_connector_covered.jpg View bs11_connector_covered.jpg 362 KB E1 + serial connection board, still covered laforge, 02/21/2009 03:37 PM

Updated by laforge about 8 years ago · 1 revisions

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