BS11Configuration » History » Version 1
laforge, 02/19/2016 10:47 PM
| 1 | 1 | laforge | == Configuration of BTSM Object == |
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| 2 | |||
| 3 | * BS11 requires PCM30CRC4 64kBit/s no Subslots |
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| 4 | * OM Layer on Timeslot 1 |
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| 5 | * TEI for OM Layer default Siemens is 25 (but configurable in BS11 [wiki:LMT]) |
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| 6 | |||
| 7 | * the following parameters are not configurable |
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| 8 | * RSL Layer on Timeslot 1, too |
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| 9 | * TEI for RSL is fixed in Siemens equipment |
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| 10 | * TEI = 0 für TRX0 |
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| 11 | * TEI = 1 für TRX1 |
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| 12 | * Attention: if you select OM Layer TEI 0 oder 1, RSL can no longer be brought up |
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| 13 | |||
| 14 | * Timeslots for TCHs |
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| 15 | * TRX0: TS2 und TS3 |
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| 16 | * TRX1: TS4 und TS5 |
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| 17 | |||
| 18 | == E1 interface == |
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| 19 | LI Objekt: Line MULTIDROP |
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| 20 | Impedance 120 Ohm balanced to connect to HFC-E1 board |
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| 21 | Additionally you will need to change some jumpers on the connector board |
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| 22 | of BS11 (FIXME: which ones?) |
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| 23 | |||
| 24 | == Database == |
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| 25 | Important database settings: |
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| 26 | |||
| 27 | * the database has to be downloaded from PC via E1 to BS11 |
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| 28 | |||
| 29 | |||
| 30 | * BCCH channel combination Type 5 oder 8 (including SDCCH for SMS) |
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| 31 | * TCH combination 0 oder 9 |
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| 32 | {{{ |
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| 33 | Cell config: Not hopping |
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| 34 | No Concentric Cell = 0 |
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| 35 | Radiomeasgran =254 |
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| 36 | No Power Reduction = 0 |
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| 37 | Excessive distance =0 disabled |
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| 38 | }}} |
