BTS Technical Description HUAWEY

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M900/M1800 GSM SYSTEM

BTS

HUAWEI

Huawei Technologies Co. Ltd.

Copyright (C) 2001-2002 by Huawei Technologies Co., Ltd. All Rights Reserved No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks Internet Explorer is a copyright of Microsoft Corporation. Netscape Navigator is a trademark of Netscape Communications Corporation. Windows 95 and Windows 98 are copyrights of Microsoft Corporation. HUAWEI(R), NS(R),(R)

, C&C08(R), EAST8000(R), HONET(R), ViewPoint(R), INtess(R),

ETS(R), DMC(R), SBS(R), TELLIN(R), InfoLink(R), Netkey(R), Quidway(R), SYNLOCK(R), M900/M1800TM and RadiumTM are registered trademarks of Huawei Technologies Co., Ltd.

Notice Every effort was made to ensure that the information in this document was complete and accurate at the time of printing. However, information is subject to change.II

: 1 ....................................................................................................................5

1.1 1.2 1.3 1.4 1.5

....................................................................................................................5 ........................................................................................6 ............................................................................................10 ...........................................................................................................11 ...............................................................................12

2 ........................................................................................13

2.1 ..................................................................................................................................13 2.2 .........................................................................17 2.2.1 / (TMU).............................................17 2.2.2 (Time distributing unit - TDU) ....................20 2.2.3 (Transceiver unit -TRX) ..................................................22 2.2.4 (TEU)...................................................................27 2.2.5 (Transmission extension power supply unit - TES) .................................................................................................................29 2.2.6 (Fan monitoring unit - FMU) ................................31 2.3 ..................................................................................................32 2.3.1 ...........................................................................................................................32 2.3.2 ........................................................................34 2.3.3 ............................................................................35 2.3.4 (Power monitoring unit - PMU)......................40 2.4 (CDU) - ...........................................................41 2.4.1 .......................................................................................................................42 2.4.2 ..........................................................................................................................43 2.4.3 (lightning arrester)...........................................................43 2.4.4 (Combiner and Divider Unit - CDU) ............................................44 2.4.5 () ....................................................................................45 2.5 ..............................................................................46 2.5.1 ....................................................................47 2.5.2 ............................................................................................47 2.5.3 .............................................................47 2.5.4 ...........................................................................................................................48 3 ..............................................................49

3.1 ..................................................................................49 3.2 ...................................................................50 3.3 .....................................................53 3.3.1 ..........................................................................54 3.3.2 ...............................................56 3.4 ..............................................................57 3.5 (TECP) ..............................................58 3.6 (RTECP) .........59 3.7 (LMTP) ..........................................61 4 ......................................................................................................631

4.1 ................................................................................................................ 63 4.2 A-bis ............................................................................................................... 63 4.2.1 ........................................................................................................ 63 4.2.2 ................................................................................................. 68 4.2.3 ............................................................................................. 69 4.2.4 3 ........................................................................ 70 4.2.5 3 ...................................................... 74 4.3 Um .................................................................................................................. 76 4.3.1 ........................................................................................................ 76 4.3.2 ................................................................................ 77 4.3.3 ................................................................................................. 77 4.3.4 ............................................................................................ 82 4.3.5 3................................................................................................................... 85 5 BTS M900/M1800............................................................................89

5.1 .................................................................................................................. 89 5.1.1 E1 .................................... 89 5.1.2 SDH................................. 91 5.1.3 PON ................................... 92 5.2 ................................................................. 94 5.2.1 ......................................................................... 94 5.2.2 ............................................................................................... 94 5.2.3 ............................................................... 95 5.2.4 ................................................................................................... 95 5.2.5 ........................................................................................... 95 5.2.6 ........................................................................................... 95 5.3 ....................................................................................... 96 5.3.1 .............................................................................. 96 5.3.2 .................................................................. 97 5.4 ................................................................................................ 97 5.4.1 ........................................................................ 97 5.4.2 .......................................................... 98 5.4.3 .................................................................... 99 5.4.4 TRX ....................................................................................... 99 5.5 ......................................................................................... 100 5.5.1 .................................................................... 100 5.5.2 A-bis- ............................................................................ 101 5.5.3 ............................................................................ 102 5.5.4 ................................................................................... 103 5.5.5 ......................................................................................... 104 5.5.6. ................................................................ 104 5.5.7 ................................................................................... 106 5.5.8 BTS ................................................................................................. 107 5.5.9 ....................................................................... 108 5.5.10 .................................................................................................... 108 6 .............................................................................................110

6.1 .......................................................................... 110 6.1.1 .......................................................................................... 110 6.1.2 ........................................................................................................ 110 6.1.3 ....................................................... 1102

6.1.4 ..............................................................................................................110 6.1.5 ...................................................................................................................111 6.1.6 .............................................................................................................................111