User's Manual
Doc. No.
Rev.
Date
DRAFT
1.01
2012-01-27
Damm Cellular Systems A/S, Denmark
TetraFlex
®
7.5 Manual - TetraFlex® Manual breakdown
TetraFlex® 7.5 Manual 15
3.7.10.6 Voice GW ......................................................................................................................................... 3-116
3.7.10.7 PD-GW ............................................................................................................................................. 3-116
3.7.10.8 App-GW ........................................................................................................................................... 3-116
3.7.11 Settings View ...................................................................................................................................... 3-117
3.7.11.1 Database .......................................................................................................................................... 3-117
3.7.11.2 Nodes .............................................................................................................................................. 3-118
3.7.11.3 Subscriber ........................................................................................................................................ 3-119
3.7.11.4 Sound............................................................................................................................................... 3-120
3.7.11.5 LogServer Licens .............................................................................................................................. 3-122
3.7.11.6 LogServer Config ............................................................................................................................. 3-122
PART-4: TECHNICAL REFERENCES ................................................................................................. 4-1
4.1 Antenna System for BS41x ............................................................................................................... 4-2
4.1.1 Introduction ............................................................................................................................................. 4-2
4.1.2 Typical antenna configuration.................................................................................................................. 4-3
4.1.2.1 TMA412/TMD412 .................................................................................................................................. 4-3
4.1.2.2 RX antenna ............................................................................................................................................ 4-4
4.1.2.3 TX antenna ............................................................................................................................................ 4-5
4.1.3 GPS antenna ............................................................................................................................................. 4-6
4.1.4 TX inter-modulation considerations ........................................................................................................ 4-7
4.2 TX Combiner for BS41x ..................................................................................................................... 4-9
4.2.1 Introduction ............................................................................................................................................. 4-9
4.2.2 Cavity combiner system ........................................................................................................................... 4-9
4.2.2.1 Circulator ............................................................................................................................................. 4-10
4.2.2.2 Cavity Filter .......................................................................................................................................... 4-11
4.2.2.3 Junction cables .................................................................................................................................... 4-12
4.2.2.4 Filter connection cable ........................................................................................................................ 4-12
4.2.2.5 TX output filter .................................................................................................................................... 4-12
4.2.2.6 Power measurement ........................................................................................................................... 4-13
4.2.2.7 TCC411 TX Combiner Controller.......................................................................................................... 4-13
4.2.3 BS414 4-way Hybrid Combiner system .................................................................................................. 4-14
4.3 RX Multi coupler for BS41x ............................................................................................................. 4-15
4.3.1 Introduction ........................................................................................................................................... 4-15
4.3.2 RX signal path description ...................................................................................................................... 4-15
4.3.3 Supply and alarm circuits ....................................................................................................................... 4-16
4.3.4 RF Test Loop path description ................................................................................................................ 4-16
4.4 TR412 Transceiver Description ....................................................................................................... 4-18
4.4.1 Introduction ........................................................................................................................................... 4-18
4.4.2 Receiver .................................................................................................................................................. 4-18
4.4.3 Transmitter ............................................................................................................................................. 4-19
4.4.4 Reference oscillators .............................................................................................................................. 4-20
4.4.5 DSP ......................................................................................................................................................... 4-20
4.4.6 Micro Controller ..................................................................................................................................... 4-21
4.5 RX Diversity for BS41x .................................................................................................................... 4-22
4.5.1 Diversity implementation ....................................................................................................................... 4-22
4.5.2 Diversity gain versus correlation factor ................................................................................................. 4-23
4.5.3 BER versus input signal TCH7.2 .............................................................................................................. 4-24
4.5.4 MER versus input signal SCH/F ............................................................................................................... 4-24
4.6 Power Supply for BS41x ................................................................................................................. 4-26
4.6.1 Introduction ........................................................................................................................................... 4-26
4.6.2 Rectifier .................................................................................................................................................. 4-26