BS11Configuration » History » Version 7
laforge, 02/19/2016 10:47 PM
add link on where to buy the E1 twinax plugs
| 1 | 2 | laforge | == Hardware interface == |
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| 2 | |||
| 3 | We are using a 120 Ohms balanced connection between the BS11 and a HFC-E1 card. |
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| 4 | To configure the BS11 hardware correctly, you need to |
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| 5 | * open the connection between pin 2 and 3 of the 4 jumpers below connector J01 |
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| 6 | |||
| 7 | === Cable to RJ45 === |
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| 8 | |||
| 9 | 7 | laforge | The E1 interface[s] of the BS-11 are on some strange BNC-related twinax plugs called "RADIALL 605 006 000", you can find the PDF data sheet of the connectors at [http://radiall.applixia.net/catalogue/resource?path=PRODUCT/PDF/TDS/coaxialconnectors/R605006000EN.pdf Radiall] and you can buy them online from [http://webradiall.applixia.net/buyonline?PN=R605006000&LANG=en&SUP=FARNELL this link] (which for Germany results in a hyperlink to [http://de.farnell.com/jsp/displayProduct.jsp?sku=4196995 this page of the Farnell webshop] where they cost EUR 16.51 each). |
| 10 | |||
| 11 | 3 | laforge | * left Y01 PCM in (from BSC): RJ45 pin 4,5 |
| 12 | 1 | laforge | * Y02 PCM out (to BSC): RJ45 pin 1,2 |
| 13 | 7 | laforge | * Y03 PCM left open |
| 14 | * Y04 PCM left open |
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| 15 | 2 | laforge | |
| 16 | 1 | laforge | == Configuration of BTSM Object == |
| 17 | |||
| 18 | * BS11 requires PCM30CRC4 64kBit/s no Subslots |
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| 19 | * OM Layer on Timeslot 1 |
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| 20 | * TEI for OM Layer default Siemens is 25 (but configurable in BS11 [wiki:LMT]) |
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| 21 | |||
| 22 | * the following parameters are not configurable |
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| 23 | * RSL Layer on Timeslot 1, too |
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| 24 | * TEI for RSL is fixed in Siemens equipment |
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| 25 | * TEI = 0 für TRX0 |
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| 26 | * TEI = 1 für TRX1 |
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| 27 | * Attention: if you select OM Layer TEI 0 oder 1, RSL can no longer be brought up |
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| 28 | |||
| 29 | * Timeslots for TCHs |
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| 30 | * TRX0: TS2 und TS3 |
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| 31 | * TRX1: TS4 und TS5 |
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| 32 | |||
| 33 | == E1 interface == |
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| 34 | 2 | laforge | |
| 35 | 1 | laforge | LI Objekt: Line MULTIDROP |
| 36 | 4 | laforge | |
| 37 | 1 | laforge | Impedance 120 Ohm balanced to connect to HFC-E1 board |
| 38 | Additionally you will need to change some jumpers on the connector board |
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| 39 | 4 | laforge | of BS11: |
| 40 | 5 | laforge | * dip-switch SW3: |
| 41 | * 1-4: off |
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| 42 | * 5-8: on |
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| 43 | * TB01: no jumper |
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| 44 | * TB02: no jumper |
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| 45 | * TB03: no jumper |
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| 46 | * TB04: no jumper |
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| 47 | 4 | laforge | |
| 48 | SW3 is the dip-switch underneath the connector board |
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| 49 | TB0* are the four jumpers on the left hand side of the connector board. |
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| 50 | 1 | laforge | |
| 51 | == Database == |
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| 52 | 2 | laforge | |
| 53 | 1 | laforge | Important database settings: |
| 54 | |||
| 55 | * the database has to be downloaded from PC via E1 to BS11 |
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| 56 | |||
| 57 | |||
| 58 | 6 | laforge | * BCCH channel combination Type 5 or 8 (including SDCCH for SMS) |
| 59 | * TCH combination 0 or 9 |
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| 60 | 1 | laforge | {{{ |
| 61 | Cell config: Not hopping |
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| 62 | No Concentric Cell = 0 |
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| 63 | Radiomeasgran =254 |
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| 64 | No Power Reduction = 0 |
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| 65 | Excessive distance =0 disabled |
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| 66 | }}} |
