CSHP902 User manual
Contents
1. abe SAWS Met Channel Module GSM HT Modem m EZ Reference SAWS Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 34 of 52 CSHP902 Manual 12 4 CSHP 902 ER Electrical Specification RF REMOTE ER Frequency range Impedance Number of channels Channel bandwidth Output power UL Outout power DL Maximum Input Level no damage Gain at Max Setting Gain Steps Attenuation Range Gain Variation Over Temp Selectivity Flatness 200 kHz BW Flatness 15 MHz BW Oscillator Lock Noise Figure at Max Gain Signal Delay IM Products UL IM Products DL Spurious Emissions from RF Ports UL Spurious Emissions from RF Ports DL Return loss at RF ports AVITEC Remote Unit ER DL 935 2 959 8 MHz 10 dBm 105 1 5 dB 2 0 5 dB 30 1 dB gt 35 dB 400 kHz gt 70 dB 600 kHz 9 lt 36 dBm lt 36 dBm lt 1GHz lt 30 dBm gt 1GHz lt 36 dBm lt 1GHz lt 30 dBm gt 1GHz gt 14dB NOTE All specifications are made without coupler connection Document Number Version CSHP902 UM User Operation and Maintenance Manual 2001 AVITEC AB Page 35 of 52 CSHP902 Manual y Vi ne de Attenuation Control REMOTE ER Nominal Gain Setting dB Attenuation dB 20 22 24 26 28 o 99 E o B O o 98 o 91 Lo 89 0 00 O I y o Y5 o 88 y O o 81 NENNEN SEMEN a a2. DL N A UL lt 4 dB lt 36 dBm lt 70 dBm lt 1GHz lt 70 dBm gt 1GHz lt 36 dBm lt 1GHz lt 30 dBm gt 1GHz gt 14dB NOTE All specifications are made without coupler connection Document Number Version CSHP902 UM User Operation and Maintenance Manual 2001 AVITEC AB Page 27 of 52 CSHP902 Manual y Vi ne de Attenuation Control DONOR DD Nominal Gain Setting dB Attenuation dB 22 2 o 16 ee 26 o 14 ee 28 es NREMEMEkhktt 30 4 4 3 3 3 3 3 2 2 2 2 2 1 1 1 1 2 0 8 6 4 2 0 8 6 4 2 0 8 6 4 2 Electrical Specification Power Requirements DONOR DD Donor Unit Power Requirements e standard voltage option 230VAC 2096 e low voltage option 48 VDC External Electrical Interfaces DONOR DD DonorUnit DD RF ports UL 2 N type Female RF ports DL 7 16 Female Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 28 of 52 CSHP902 Manual y Vi ne de Mechanical Specification DONOR DD Dimensions w x h x d 12 x 18 x 9 5 EE 305 x 455 x 240 mm Weight o J 22kgmax Housing Material Aluminium Grounding Connection Bot Housing Colour Grey External Fins Repeater Block Diagram DONOR DD Block Diagram CSHP902 R DD Channel Module PA Duplex Attenuator Rel gy SAWS ni Combin
3. N type Connecter Coaxial Cable diameter of 1 2 or more is recommended Donor Unit CSHP902 SD Coaxial Cable to Link Antenna Coaxial Cable to Coupler Power Cable 2001 AVITEC AB Page 42 of 52 CSHP902 Manual y Vi ne de The Remote site How the CSHP902 IR should be connected Remote Unit with internal combiner Link Minimum 5m or 75 dB isolation is ecommended EMEN MEM ane eee rr ere AM Server Antenna Le 4101 LE Coaxial Cable typically 1 2 or more Remote Unit CSHP902 IR 7 16 7 16 Coaxial Cable Coaxial Cable to to Link Antenna Server Antenna Power Cable Figure 3 Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 43 of 52 CSHP902 Manual y Vi ne de The Frequency Translating Repeater System F1 4 and F18 F5 and F10 ae Link Link Antenna Antenna Server F15 and Antenna 0 Power 16mm Ground Cable Radio tower Radio tower Power Figure 4 Figure 4 illustrates a basic frequency translating system Channel separation lightning protection and grounding are essentials in any reliable radio system There should be a separation of at least 4carrier bands 800kHz between the Link frequencies and the Broadcast Frequencies In the Illustration Above the link carriers are F5 and F10 and the Broadcast Carrier Frequencies are F15 and F20 Even though the Fre
4. GSM CSHP902 Repeater User Operation and Maintenance Manual AVITEC CSHP902 Manual y Vi ne de Contents 1 Document History 2 Disclaimer 3 Safety Instructions and Warnings 3 1 Safety to Personnel 3 2 Safety to Equipment 3 3 Electrostatic Sensitivity 4 Introduction 4 1 Purpose 4 2 Scope 4 3 Definitions 4 4 References 4 5 General 5 Functional Description of CSHP 902 Repeater 5 1 General Description 5 2 Functional Description of Repeater Modules 5 2 1 Channel Modules 5 2 2 Power Amplifier Modules 5 2 3 Power Supply Module 5 2 4 Duplex Filter Module 5 2 5 Control Module 5 2 6 Reference Generator C1 OI OI Cl CO COO N NN N 6 To Get Started Basic Software Control of the Repeater 11 6 1 General 6 2 Terminal Set up 6 3 Commands Necessary to Set up Remote Access 6 4 Commands used to set Parameters 7 CSHP 902 Useful Information 7 1 Are calls possible on link frequencies 7 2 Frequency Hopping and Repeaters 7 3 Coupler 7 4 Antenna Isolation 7 5 Minimum Channel Spacing 7 6 Minimum Link Channel Spacing 7 7 Environmental Specification 7 8 Other Specifications 8 Attenuation Control 8 1 Attenuation Control of the Donor Unit 8 2 Attenuation Control of the Remote Unit Document Number Version CSHP902 UM User Operation and Maintenance Manual 2001 AVITEC AB Page 2 of 52 CSHP902 Manual y Vi ne de 9 Control Module 18 9 1 General 18 9 2 Commands 18 9 3
5. To shorten the command to only control one channel see above Sets ALC Uplink to xx for channel 1 and yy for channel 2 Sets ALC Downlink to xx for channel 1 and yy for channel 2 Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 14 of 52 CSHP902 Manual y Vi ne de 7 CSHP 902 Useful Information 7 1 Are calls possible on link frequencies Calls cannot be connected via the link frequencies for the following reasons The mobile station MS searches for the Broadcast Control Channel BCCH beamed from the Base Transceiver Station BTS Even though the MS may find the frequency shifted link signal BCCH transmission it will not be possible to initiate a call through it When a call is initiated the BTS switches from BCCH to the Stand Alone Control Channel SDCCH which apart from other information instructs the MS which frequency ARFCN to use during the call This makes the MS switch back to the non frequency shifted ARFCN BTS frequency where it will find no BTS signal and the call is aborted The same is true when logging into the network NOTE The BCCH SDCCH and TCH channels are logical GSM channels not to be confused with Absolute Radio Frequency Channels ARFCN Only the latter are associated with specific frequencies 7 2 Frequency Hopping and Repeaters The CSHP902 repeater with two channels is fully compatible with base band frequency hopping as long as
6. 2 or more Remote Unit CSHP902 ER 7 16 7 16 Coaxial Cable Coaxial Cable to to Link Antenna Server Antenna Power Cable Figure 8 Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 47 of 52 CSHP902 Manual y Vi ne de 13 1 Lightning Protection EMP The top of the mast shall be higher than the antennas and shall be The grounding path shall have properly grounded reliable continuityand be correctly dimensioned Antenna Primary Lightning protective Bu LT 1 Coaxial cables shall Equipotential ML A pa EN E be grounded at 10 m Grounding Bar a Over voltage protector Repeater H Power Cable intervals Secondary Lightning Protectors All coaxial cables and power cables need to be protected from the transients that lightning can cause If all the paths into the repeater and base station are protected with protective devices the chances of damage by lightning are reduced Sometimes several lightning protection devices are used in series with declining threshold voltages This helps attenuate the pulse component that makes it through the first layer of protection Note If insufficient Electro Magnetic Protection is provided or if EMP measures are not taken warranties issued by Avitec are not valid Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 48 of 52 CSHP902 Manual y Vi e 13 2 Con
7. 60 Document Number Version CSHP902 UM User Operation and Maintenance Manual Ch MHz 953 80 954 00 954 20 954 40 954 60 980 80 96480 80 955 00 955 60 956 00 956 40 9 56 80 957 20 957 40 957 60 957 80 958 00 958 20 958 60 958 80 959 00 959 20 959 40 959 60 2001 AVITEC AB Page 21 of 52 CSHP902 Manual y Vi ne de 12 Repeater Specifications The CSHP902 consists of two units There are four different units available and these can be combined in 12 1 CSHP 902 SD Electrical Specification DONOR SD aaa HN Fr DL 935 2 959 8 MHz Impedance OD Number of channels 2 Channel bandwidth 200kHz Output power UL Jj t0dBms1dB Output power DL 33dBms1dB cour eea no damage DL 23 dBm Gain at Max Setting 1 42 15dB Gain Steps Attenuation Range Gain Variation Over Temp gt 70 dB 600 kHz Flatness 200 kHz BW Flatness 15 MHz BW Oscillator Lock Noise Figure at Max Gain Signal Delay IM Products UL IM Products DL Spurious Emissions from lt 70 dBm lt 1GHz RF Ports UL lt 70 dBm gt 1GHz Spurious Emissions from lt 36 dBm lt 1GHz RF Ports DL lt 30 dBm gt 1GHz Return loss at RF ports gt 14dB NOTE All specifications are made without coupler connection Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Mai
8. Command log 18 9 4 Quick commands 18 9 5 Configuring the external alarms 18 9 6 LED indicators 19 10 System Maintenance 20 10 1 General 20 10 2 Preventative Maintenance 20 11 Frequency and Channel List 21 12 Repeater Specifications 22 12 1 CSHP 902 SD 22 12 2 CSHP 902 DD 27 12 3 CSHP 902 IR 30 12 4 CSHP 902 ER 35 13 Installation Guide CSHP902 SD IR DD ER 39 13 1 Lightning Protection EMP 48 13 2 Connecting the External Alarms 49 13 3 Getting the Repeater started 50 Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 3 of 52 CSHP902 Manual y Vi ne de 1 Document History Revision Revised section Date Sign 1 First edition 22 10 99 2 Second Edition 26 09 01 3 Third Edition 28 11 01 2 Disclaimer Every attempt has been made to make this material complete accurate and up to date Users are cautioned however that Avitec AB reserves the right to make changes without notice and shall not be responsible for any damages including consequential caused by reliance on the material presented including but not limited to typographical arithmetical or listing errors Product names referenced in this document may be trademarks or registered trademarks of their respective companies and are hereby acknowledged Guarantees In areas with unstable power grids mains all repeaters must be installed with a voltage regulator ensuring a constant voltage level at the
9. OS 30 97 95 93 91 87 85 83 81 79 7 79 Electrical Specification Power Requirements REMOTE ER Remote Unit Power Requirements e Standard voltage option 230VAC 20 e low voltage option 48 VDC External Electrical Interfaces REMOTE ER Remote Unit ER RF ports UL 7 16 Female ao RF ports DL 7 16 Female Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 36 of 52 CSHP902 Manual y Vi ne de Mechanical Specification REMOTE ER re Dimensions w x h x d Repeater Mechanical Drawing REMOTE ER 1 DC DC Power Supply 2 Low Noise Amplifier DL 3 UL Channelizer 4 DL Channelizer 5 Control Module 6 Low Noise Amplifier UL 7 9 11 AC DC Power Supply 3 RF test port Power Amplifiers 10 Reference Generator 7 16 Serving antenna ports 12 Power Amplifiers 13 7 16 Link antenna port 14 RF test port 15 Battery Pack 16 Wavecom Modem 00O OO LP ILI yi Ee LIO Q il Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 37 of 52 CSHP902 Manual y Vi ne de Repeater Block Diagram REMOTE ER Block Diagram CSHP902 R ER Channel Module PA Au Dual Isclator LN A pil 3 SAWS add Y Channel Module Server Antenna Por Link i C hannel Modus Dual LAA Antenna i Port SAWS 5M MODEM ein Channel Module Reference Server Ge
10. degraded performance 7 7 Environmental Specification Operating Temp Range 25 to 55 C Storage Temp Range 30 to 75 C Weather Resistance IP 65 7 8 Other Specifications MTBF gt 50 000hrs ETS 300 342 3 Electrical Safet EN 60 950 Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 16 of 52 CSHP902 Manual y Vi ne de 8 Attenuation Control 8 1 Attenuation Control of the Donor Unit Attenuation control tables for the different repeater models are found in Section 12 of this manual The attenuation can be adjusted in 2 dB steps on all models of the CSHP 902 8 2 Attenuation Control of the Remote Unit Attenuation control tables for the different repeater models are found in Section 12 of this manual The attenuation can be adjusted in 2 dB steps on all models of the CSHP 902 Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 17 of 52 CSHP902 Manual y Vi ne de 9 Control Module 9 1 General Both the Donor and the Remote units are equipped with a control module that allows the monitoring and control of various parameters such as channel number attenuation temperature status of door etc The communication interface between the local terminal and the control module is set up as a self explanatory menu for simple manual control and monitoring This way the parameters can be observed and change
11. display of the terminal This can be performed either via a terminal PC locally or via remote login through the built in GSM modem located on the inside of the repeater door To get the repeater operating on air you only have to set up four parameters 1 ARFCN to be repeated 2 ARFCN to be used by the link path between Donor and Remote 3 Desired attenuation gain in each signal path 4 Desired ALC levels in each signal path NOTE This procedure is simplified with the built in input and output power monitoring functions of the repeater 6 2 Terminal Set up Connect a straight 9PIN RS232 cable to the 9PIN DSUB female connector located on top of the control module in the repeater Any VT 100 compatible terminal unit can be used One example is the Hyper Terminal terminal emulation software included in MS Windows operating systems The easiest way to perform set up is to use the user friendly Repeater Maintenance Console RMC software package to configure the repeater The terminal parameters should be set as follows Baud rate 9600 Parity None 8 Data bits 1 Stop bit and no flow control Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 11 of 52 CSHP902 Manual y Vi ne de When the repeater is switched on it will start its initialisation procedure and information will be displayed on the terminal screen Wait for 10 20 seconds and then press the Enter ke
12. from an existing coverage area via a donor antenna it then amplifies it and re transmits it into the desired poor coverage area In the uplink direction the repeater will receive signals from the mobile radios in the covered area and re transmit them to the corresponding base station 5 Functional Description of CSHP 902 Repeater 5 1 General Description The high power repeater is a 2 channel repeater for GSM systems which has an output power of 38 dBm or 41 dBm per carrier depending on configuration The CSHP902 consists of a two parts one remote unit and one donor unit which both can be custom configured due to the modular design The repeater has a compact design with separate modules for each channel in both UL and DL The frequency and amplification can be individually controlled via two alternative methods of communication The monitoring and control of the system can be conducted either with a direct connection via an RS232 cable to a laptop computer or via the GSM modem wireless interface through the network operator An aluminium case houses the repeater Cooling fins for the amplifiers are located on the rear of the unit Aluminium is chosen as the case material which gives a lightweight design with good heat conduction and weatherproof protection against the elements The enclosure conforms to IP65 and NEMA 4 standards Connections are made with 7 16 and type N connectors that are located on the underside of the repeater Th
13. repeater power input A maximum voltage deviation of 10 from the repeaters rated voltage is acceptable for warranty purposes All antennas must be installed with Lightning protection Damage to power modules as a result of lightning are not covered by the warranty Copyright Information 2001 Avitec AB Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 4 of 52 CSHP902 Manual y Vi ne de 3 Safety Instructions and Warnings 3 1 Safety to Personnel Before installing or replacing any of the equipment the entire manual should be read and understood The user needs to supply the appropriate AC power to the Repeater Incorrect AC power settings can damage the Repeater and may cause injury to the user Throughout this manual there are Caution warnings Caution calls attention to a procedure or practice which if ignored may result in injury or damage to the system or system component or even the user Do not perform any procedure preceded by a Caution until the described conditions are fully understood and met 3 2 Safety to Equipment When installing replacing or using this product observe all safety precautions during handling and operation Failure to comply with the following general safety precautions and with specific precautions described elsewhere in this manual violates the safety standards of the design manufacture and intended use of this product Avitec AB
14. 01 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 50 of 52 CSHP902 Manual AVI Ae Screen Dumps from the RMC Fagen Hoste mance Console Chain 1 Cham Channel Eik hiel Link e o xir e PF e mix Uplink Upik AH enakan IET Power Link HEr Atenas kor HET Power Lent idl Proves Land ral EB Santhesps in CK Sunthegne Hui OE ae bese OF J Baier ier c OF Ava p le Chen OF T The channel and link fields have been filled in with carrier numbers 3 15 chain 1 and 7 20 chain 2 huppes H amlenance Conse He btaw Hep MMC Conn W Or E i Canin 1 Chem 2 T 15 PER FER Ed artha r LIF Synitezier Cut DE In order to view power levely it is necessary to click on levels Choose OFF when measuring antenna isolation Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 51 of 52 CSHP902 Manual 7A Vi ne de Hepoaler Mambenance Console kl Me EE M Corm W det iin Chain 1 Chun Power Levels Apu Input Poker Output Pa BCCH Uplink Uplink Abena dE Fimea Linn Bm ahaa dE F over Lii dre Spriheziser ut DE Uplink 1 Ape InpulPoua Cuigut Power Anpa ham 0E oo ef 7 i Downlink 2 Downlink Downlink i Apa Input Poser Duit Poser Fibersa
15. Noise Amplifier UL HF test port Reference Generator TX 1 amp 2 N type female Battery Pack RX 1 amp 2 N type female 2 2 AM O RI VBR GE 05 4 SSS LE Te ee ae 4 Cie stare NS Se rr Wer a AT 1 WE fa oa SB NM ld User Operation and Maintenance Manual 2001 AVITEC AB Page 25 of 52 CSHP902 Manual y Vi ne de Repeater Block Diagram DONOR SD Block Diagram CSHP902 R SD Channel Module PA Duplex Attenuator Ref SAWS Combiner Filter Channel Module DUPLEX FILTER TEST Ref W ee 9 Link TELE A Fr v9 Antenna i Port Channel Module LMA Split Rel SAWS Combiner ry Gr IE Channel Module GSM Modem Reference SAWS _ Generator Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 26 of 52 CSHP902 Manual 12 2 CSHP 902 DD Electrical Specification RF DONOR DD Maximum Input Level no damage Gain at Max Setting Gain Steps Attenuation Range Gain Variation Over Temp Selectivity Flatness 200 kHz BW Flatness 15 MHz BW Oscillator Lock Noise Figure at Max Gain Signal Delay IM Products DL Spurious Emissions from RF Ports UL Spurious Emissions from RF Ports DL Return loss at RF ports AVITEC DL 935 2 959 8 MHz DL 23 dBm 2 t 0 5 dB 30 1 dB gt 35 dB 400 kHz gt 70 dB 600 kHz
16. abon dI Power Lira KB m Bierusicn del Powe Levi dire 3 EE 30 33 I Uplink Z Apron Inga Posse Guk Poser In the screen dump above the link carrier number in Chain 2 has been changed to carrier 3 The repeater will pick up the server antenna signal via the link antenna The antenna isolation is the difference between 1 and 2 In this case 38 105 143dB This is far more than the required 75dB which means that the antenna isolation is good Unlink ink As Uplink Attenuahon dB Power Limit dem Alteruation dB Power Limit dBm 3 x Syntheziser In OF Syriheziser Gut OK Communication OE Apliier Chain OF Attenuation menu Power Limit menu Be sure to click on the tick once a change has been made This is to confirm the change When commissioning a repeater for the first time it is important to set the attenuation levels at a maximum and then slowly reduce them until the desired signal strength is reached start with 30 and lower this figure to raise the output power Zero attenuation is the same as maximum amplification Attenuation tables are available in the manual supplied with the product The power limit menu limits the output power to the figure chosen or the channel can be switched off completely by clicking on off The downlink Power Limit in chain 2 shall always be switched off when measuring antenna isolation Document Nu
17. assumes no liability for the customer s failure to comply with these precautions This entire manual should be read and understood before operating or maintaining the repeater system CAUTION Calls attention to a procedure or practice which if ignored may result in personal injury or may result in damage to the system or system component Do not perform any procedure preceded by a CAUTION until described conditions are fully understood and met 3 3 Electrostatic Sensitivity CAUTION ESD ELECTROSTATIC DISCHARGE SENSITIVE DEVICE Observe electrostatic precautionary procedures Semiconductor transmitters and receivers provide highly reliable performance when operated in conformity with their intended design However a semiconductor may be damaged by an electrostatic charge inadvertently imposed by careless handling Static electricity can be conducted to the semiconductor chip from the centre pin of the RF input connector and through the AC connector pins When unpacking and otherwise handling the Repeater follow ESD precautionary procedures including use of grounded wrist straps grounded workbench surfaces and grounded floor mats Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 5 of 52 CSHP902 Manual AVITEC M Inside the Repeater Reference Generator An internal view of the remote unit CSHP902 IR Document Number Version 2001 AVITEC AB CSHP902 UM User O
18. d from the display of the terminal This can be performed either via a terminal PC locally or via remote login through the built in wireless interface located on the inside of the repeater door 9 2 Commands A complete set of commands can be found in the Command and Attribute Summary for the CSHP902 Repeater 9 3 Command log A command log kept in the control module stores the last ten commands entered Use the up and down arrow keys to read off these stored commands The right and left arrow keys may then be used along with the backspace and clear buttons to edit the command 9 4 Quick commands Four quick commands are available with the function keys when using the Terminal Mode F1 help menu F2 shows alist with the last ten entered commands F3 status screen F4 traffic data 9 5 Configuring the external alarms The external alarms can be configured active low or active high Active high means that an applied voltage of between 12 and 24 Volts will cause the external alarm indicator to turn red Active low means that when there is no voltage the alarm indicator turns red Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 18 of 52 CSHP902 Manual y Vi ne de Examples of Software Commands for the external alarms are shown below SET EXT X Y Z W Xis configuration of alarm 1 and Y of alarm 2 etc If X is set to 1 and Y to 0 then alarm 1 is active low and alar
19. de Installation To consider before installation e What type of power does the repeater require o Mains AC 230V or 48VDC e s there adequate grounding and lightning protection EMP o Earth cable should be Min 16mm e Is there adequate antenna isolation e What kind of repeater system is being installed e s there a clear line of sight between the Donor Unit s Link antenna and the Remote Repeater s Link antenna e ry to mount the repeater unit where it is easily accessible e t is important that the link antennas are aligned face to face e Make sure that cables and connectors are compatible Using cables and connectors from the same manufacturer is one way of doing this e f the BTS has different sectors always choose to use the carriers used in the sector facing away from the remote site in order to avoid inter symbol interference ISI e A sealing compound such as silicone or vulcanizable tape should be used to waterproof all joins as moisture and dust can impair RF characteristics Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 41 of 52 CSHP902 Manual The BTS site AVITEC How the CSHP902 SD should be connected Donor Unit 7 16 type Connecter Dual L Directional Coupler mounted in spliced BTS Antenna Cable BTS Figure 2 Document Number Version CSHP902 UM User Operation and Maintenance Manual BTS Antenna Link Antenna
20. e external connections on the bottom are protected from unauthorised access with a cover which can be opened only from the inside of the repeater The repeater units can be divided into the following modules Channel Modules Power Amplifier Modules Power Supply Module Duplex Filter Module Control Module Reference Generator Low Noise Amplifier Module Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 9 of 52 CSHP902 Manual AVITEC 5 2 Functional Description of Repeater Modules 5 2 1 Channel Modules Every channel module consists of an IF down converter with SAW filters an IF up converter and a post amplifier The module contains a power level control unit The synthesiser in the module shall be locked to an external reference signal generated 5 2 2 Power Amplifier Modules The power amplifiers are made up of temperature compensated gain blocks The power transistors are designed for minimum inter modulation products The uplink power amplifier has a four watt output power while the down link amplifier has an output power of 15 Watts 5 2 3 Power Supply Module The power supply module is connected to all other electronic modules The AC input is equipped with a surge EMI EMC suppression filter 5 2 4 Duplex Filter Module The function of the duplex filter is to isolate the Uplink from the Downlink The transmit antenna is combined with a duplex filter operating in t
21. e waterproofed using silicone or other suitable substance It makes no difference which side is connected to the cable from the BTS as long as the cable feeding the donor unit is connected to the N type connector closest to the BTS as described above Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 45 of 52 CSHP902 Manual y Vi ne de The BTS site How to connect the CSHP902 DD Double Donor BTS Antennas Link Antenna Coaxial Cable diameter of 1 2 or more is recommended Dual Directional Coupler mounted in U spliced BTS E Antenna Cable Donor Unit E CSHP902 DD 7 16 type Connecter BTS Coaxial Cable to Coaxial Cable to Coupler Link Antenna Power Cable Figure 7 The double donor configuration described in figure 7 can be wired in other ways depending on how the BTS is configured Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 46 of 52 CSHP902 Manual y Vi ne de The Remote Site Connecting the CSHP902 ER This is a remote Unit with one antenna per channel A cross polarized antenna can also be used however maximum output power is achieved using two separate antennas po se Link Antenna sx d M n 5 mor 75 dB Server isolation recommended Antennas wi 1 E ARS T rt Coaxial Cable typically 1
22. efore any module is replaced Should the system malfunction the condition of the antenna systems as well as the continuity of the cabling should be checked before replacing any of the repeater modules 10 2 Preventative Maintenance The CSHP 902 repeater does not require any preventative maintenance Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 20 of 52 CSHP902 Manual 11 Frequency and Channel List AVITEC Ch MHz MHz MHz MHz 896 40 941 40 902 60 947 60 890 40 935 40 896 60 941 60 902 80 947 80 890 60 935 60 896 80 941 80 903 00 948 00 890 80 935 80 897 00 942 00 948 20 897 20 891 20 936 20 897 40 942 40 903 80 948 80 891 40 936 40 897 60 942 60 904 40 949 40 892 00 937 00 898 20 943 20 80220 93720 904 80 949 80 89240 937 40 898 60 943 60 905 20 892 80 937 80 899 00 944 00 893 00 938 00 899 20 944 20 905 40 905 60 893 20 938 20 899 40 944 40 905 80 89340 938 40 906 00 893 60 938 60 899 80 944 80 906 20 893 80 938 80 900 00 945 00 999 00 89420 93920 906 80 951 80 894 40 939 40 900 60 945 60 907 00 952 00 894 60 939 60 900 80 945 80 907 40 95240 895 00 940 00 901 20 946 20 895 20 940 20 901 40 946 40 907 60 952 60 895 40 940 40 901 60 946 60 907 80 952 80 895 60 940 60 901 80 946 80 908 00 953 00 908 20 953 20 895 80 940 80 902 00 947 00 908 40 53 60 896 00 941 00 902 20 947 20 950 40 950 60 951 00 951 20 951
23. er Filter Channel Module DUPLEX FILTER Donor Port e ef 4 SAWS es ee i r 1 Llnk Rx Tx1 m r4 Antenna Port Channel Module LNA Split Ei cade i Rel SAWS I Channel Module i Reference SAWS i Generator Donor Port Pte TZ Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 29 of 52 CSHP902 Manual y Vi ne de 12 3 CSHP 902 IR Electrical Specification REMOTE IR Frequency range UL 890 2 914 8 MHz DL 935 2 959 8 MHz 50 Q 200 kHz 38 dBm 1 dB 38 dBm 1 dB Maximum Input Level 10 dBm no damage Gain at Max Setting 102 1 5 dB Gain Steps 0 Attenuation Range 30 1 dB Temp gt 70 dB 600 kHz 1 dB Flatness 15 MHz BW 1dB Oscillator Lock 1x 10 Noise Figure at Max lt 4dB Gain 7 0 us max IM Products DL 36 dBm Spurious Emissions from lt 36 dBm lt 1GHz RF Ports UL lt 30 dBm gt 1GHz Spurious Emissions from lt 36 dBm lt 1GHz RF Ports DL lt 30 dBm gt 1GHz Return loss at RF ports gt 14dB Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 30 of 52 CSHP902 Manual y Vi ne de Attenuation Control REMOTE IR Nominal Gain Setting dB Attenuation dB 9 9 o 98 y O Lo 986 Lo 90 ee o 86 o 80 22 4 26 28 30 Electrical Specification Power Requirements REMOTE IR Remote U
24. he appropriate band The filter consists of band pass filters that provide isolation against out of band signals 5 2 5 Control Module The monitor and control of the repeater is made possible with the help of the Control Module This module determines the status of all channel modules and identifies error conditions When an error occurs the control module sends an alarm via DataCall to the Avitec Element Manager Repeater OMC at the operator s monitoring centre The control module sends and receives all channel and amplification data for the addressed channel modules 5 2 6 Reference Generator The reference generator module provides the synthesisers in the channel modules with a phase locked reference signal An oven controlled crystal oscillator is used to generate the 10 MHz reference Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 10 of 52 CSHP902 Manual y Vi ne de 6 To Get Started Basic Software Control of the Repeater 6 1 General Both the Donor and the Remote unit are equipped with a control module that allows the monitoring and control of various parameters such as traffic density channel number attenuation temperature status of door etc The communication interface between the local terminal and the control module is set up as a easy to understand menu for simple manual control and monitoring This way the parameters can easily be monitored and set up from the
25. m 2 is active high To set the delay before the alarm is activated the following command is used SET ALA EX1 X Y Z LLL UUU TTT The letters represent digits The delay in seconds takes the place of TTT e g SET ALA EX1 0 1 0 030 030 002 This indicates a delay of 2 seconds All software commands are described in the Command and Attribute Summary Further information on external alarms can be found in section 13 2 of this document 9 6 LED indicators The multicoloured LED on the controller module indicates the following conditions Green Repeater is functioning properly Hed Hepeater is not functioning properly Amber User logged in to control module NOTE Depending on alarm configuration the door alarm may go off a few seconds after the door has been opened in this case the LED will turn red Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 19 of 52 CSHP902 Manual y Vi ne de 10 System Maintenance 10 1 General The system normally operates without any operator intervention or maintenance In the unlikely event of a unit failure the field replaceable components antenna unit cables etc should be checked and replaced if faulty and the system restored A failed unit can be removed and replaced with a spare while the rest of the system other repeaters is operating However the power supply of the failed repeater should be isolated from AC mains and DC power b
26. mber Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 52 of 52
27. necting the External Alarms The alarm board is found in the bottom right hand corner of the repeater There is a pillar terminal mounted on a printed circuit board with wiring joining the circuit board to the distribution board The can be connected to two external alarm sources These must have a voltage between 12 and 24VDC The presence or absence of this voltage will trigger the alarm depending on how alarm thresholds have been configured in the RMC or AEM Alarm 1 is connected to pillar terminals 9 and 10 Alarm 2 is connected to pillar terminals 7 and 8 i ARR Alarm 2 Alarm 1 12 24VDC 3 12 24VDC Please refer to section 9 5 on how to configure the external alarms Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 49 of 52 CSHP902 Manual y Vi ne de 13 3 Getting the Repeater started Once the repeaters their antennas and cables have all been mounted and connected it is time to start testing the system Avitec s Remote Maintenance Console RMC is an essential tool in this process In order to use the RMC you will need the following e APC with operating system Windows 95 98 NT or better e The program in the form of diskettes or CD e Amodem and telephone line or a suitable cable if direct connection to the repeater is desired e he Data Call number to the repeater Looks like a telephone number but is for data transfer only How the RMC is installed is e
28. nerator i Antenna SAW Y Port Duplex Filtar Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 38 of 52 CSHP902 Manual AVITEC 13 Installation Guide CSHP902 SD IR DD ER A basic knowledge of repeater systems is recommended before starting an installation We will therefore begin with a brief description of the products covered in this guide and explain in general terms how a frequency translating repeater system works Figure 1 illustrates a typical frequency translating repeater system Donor Antenna w8 Link T aoe Antenna E i EX Donor RF Link Path Donor Cell Base Station Figure 1 The Frequency Translating Repeater The frequency translating repeater system consists of two units the donor unit and the remote unit The donor unit is mounted at the BTS site and the remote unit is mounted at the remote site A bi directional coupler is mounted in the main antenna feeder cable where the signal is tapped into the donor unit This unit converts the applicable carrier frequencies into other designated carrier frequencies that are chosen in such a way that they will not interfere with the carrier frequencies used in nearby sectors In the GSM system adjacent carriers should have a centre to centre 800kHz separation 3 guard channels The donor unit is connected to a link antenna facing in the direction of the remote site Document Numbe
29. nit Power Requirements e Standard voltage option 230VAC 2090 e low voltage option 48 VDC Power Cons Idle mode Power Con Typical 110 W lt 230 W Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 31 of 52 CSHP902 Manual y Vi ne de External Electrical Interfaces REMOTE IR SC es Remote Unit IR RF ports UL 7 16 Female RF ports DL 7 16 Female Mechanical Specification REMOTE IR Dimensions w x h x d Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 32 of 52 CSHP902 Manual y Vi ne de Repeater Mechanical Drawing REMOTE IR 1 DC DC Power Supply 2 Low Noise Amplifier DL 3 ULChannelizer 4 DL Channelizer 5 Control Module 6 Low Noise Amplifier UL 7 AC DC Power Supply 8 HF test port 9 Power Amplifiers 10 Reference Generator 11 7 16 Serving antenna port 12 Power Amplifiers 13 7 16 Link antenna port 14 RF test port 15 Battery Pack 16 Wavecom Modem C0 2 O MEX Cn m 5 A IGE ni Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 33 of 52 CSHP902 Manual y Vi ne de Repeater Block Diagram REMOTE IR Block Diagram CSHP902 R IR Channel Module FA LMA Split il Duplex Combiner Filter Server Antenna Port Link Channel Mod ule LNA Split Antenna E l x E E Port Haml i
30. ntenance Manual Page 22 of 52 CSHP902 Manual AVITEC Attenuation Control DONOR SD Nominal Gain Setting dB 4 4 3 3 3 3 9 2 2 2 2 2 2 0 8 6 4 2 0 8 6 4 2 0 8 6 4 2 Electrical Specification Power Requirements DONOR SD Donor Unit Attenuation dB 22 2 26 28 30 Power Requirements e standard voltage option 230VAC 20 e low voltage option 48 VDC Power Cons Idle mode Power Con Typical Power Cons Maximum lt 120 W Document Number Version CSHP902 UM User Operation and Maintenance Manual 2001 AVITEC AB Page 23 of 52 CSHP902 Manual y Vi ne de External Electrical Interfaces DONOR SD Donor Unit SD RF ports UL NHtype Female RF ports DL 7 16 Female Mechanical Specification DONOR SD 12 x 18 x 9 5 305 x 455 x 240 mm Dimensions w x h x d Grounding Connection Housing Colour Coolino Housing Material Aluminium External Fins Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 24 of 52 CSHP902 Manual AVITEC Mechanical Drawing DONOR SD o ON OW O1 Ww e MV MV VV Yu DC DC Power Supply UL Channelizer Control Module AC DC Power Supply Power Amplifiers 7 16 Link antenna port Tele box Wavecom Modem Document Number Version CSHP902 UM du p DN 3 Low Noise Amplifier DL DL Channelizer Low
31. only two frequencies are being used for hopping by the BTS and the repeater is configured for exactly those two frequencies 7 3 Coupler The Donor unit must be connected to the BTS main antenna feed line through a 30 dB coupler The coupler taps a tiny portion of the power from the BTS antenna cable and reduces it to a level compatible with the repeater input This means that 30 dB has to be subtracted from Donor gain 7 4 Antenna Isolation Because the CSHP902 converts the carrier frequency used in the link antenna isolation requirements are far less stringent than is the case with other kinds of repeaters Avitec recommends a minimum of 75dB of isolation between the link and server antenna When maximum output power levels are used this isolation requirement will mainly help to prevent blocking of the input stages When using the CSHP902 ER R at least 10dB of isolation is recommended between the two serving antennas Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 15 of 52 CSHP902 Manual y Vi ne de 7 5 Minimum Channel Spacing Avitec recommends a spacing of four GSM channels 0 8MHz between the carriers in the two amplifier chains Decreasing the spacing may lead to degraded performance 7 6 Minimum Link Channel Spacing Avitec recommends a spacing of four GSM channels 0 8MHz between the centre frequencies in the two amplifier chains Decreasing the spacing may lead to
32. peration and Maintenance Manual Page 6 of 52 CSHP902 Manual y Vi ne de 4 Introduction 4 1 Purpose The purpose of this document is to describe the electrical and mechanical specifications operation and maintenance of the CSHP 902 Repeater 4 2 Scope This document is the product description of the Avitec Repeater CSHP 902 4 3 Definitions Band Selective A repeater which is designed for operation on a Repeater combination of channels within a specified band of frequencies within the operating band of the repeater Broadband A repeater which is designed for operation on any Repeater combination of specified maximum number of channels within the operating band of the repeater Channel In this document a channel is the same as a carrier It also describes one time slot on one carrier in radio terminology Channel A repeater which is designed for operation on a Selective specified carrier within the operating band of the Repeater repeater The subset of carriers may be determined during the manufacture of the repeater or may be orogrammable relayed to mobile radio equipment GND Ground A Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 7 of 52 CSHP902 Manual y Vi ne de Definitions Continued NA NotApplicable INF NoiseFigure 00 Repeater A bi directional Radio frequency RF amplifier
33. quency Translating system reduces the need for Antenna separation it does not eliminate it For this reason a vertical isolation of 75dB is recommended It is important to remember that a whole sector must be used when installing a frequency translating repeater EX The base station sector using F15 and F20 is transmitted to the repeater The base station sector used must have the same number of carriers as the repeater Grounding and lightning Protection measures are also essential ingredients in the construction of a reliable repeater site All cables should be fitted with suitable Lightning protection devices that should in turn be connected to an adequately dimensioned grounding cable The minimum recommended conductive area for such a Cable is 16mm Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 44 of 52 CSHP902 Manual y Vi E g ae How to connect the coupler at the donor BTS site in a Frequency translating system 7 16 type Connector 4 N type Connector Figure 6 Connectors 1 and 2 are for the cable from the BTS to the BTS antenna Connectors 3 or 4 are for the cable to the donor The donor must be connected to 3 if 1 is connected to the BTS and to 4 if 2 is connected to the BTS The N Type connector not used shall be capped to prevent the ingression of dust and water 3 and 4 are N type connectors 1 and 2 are 7 16 connectors All connections shall b
34. r Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 39 of 52 CSHP902 Manual AVITEC The remote unit has a link antenna facing in the direction of the donor unit s link antenna This picks up the signal from the donor unit The Remote unit converts the carrier frequency back to the original carrier frequency amplifies and retransmits it to the mobile station The same applies in the uplink direction The frequency translating repeater systems manufactured by Avitec have been designed for flexibility and ease of installation The various units can be combined in different ways depending on the goal to be achieved Avitec has four basic units available for the GSM 900 system A system always consists of one donor unit and one remote unit Single Donor CSHP902 SD Double Donor CSHP902 DD Internal Remote CSHP902 IR External Remote CSHP902 ER The choice of donor and remote is application specific The most commonly used Donor is the CSHP902 SD This is used when the signal is tapped from one antenna The CSHP902 DD is used in cases where signals from different source antennas are desired The remote unit CSHP902 IR has one server antenna and an internal combiner The remote unit CSHP902 ER has two server antenna outputs and no internal combiner Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 40 of 52 CSHP902 Manual y Vi ne
35. t the cables together In the event of a power disruption this battery will supply the wireless interface and the control module with power The battery is fully charged after the repeater has been connected to external power for 24 hours Configuring for DATACALL Insert the SIM card into the Wireless interface Wavecom module and enter the following four commands SET PIN xxxx Where xxxx is the PIN code of the SIM card NOTE ensure the SIM card has a DATACALL number and is activated If PIN code is disabled leave XXXX blank SET MTP Wavecom Sets the modem type Wavecom SET ASC Clears any old telephone number the repeater calls on alarm SET MIS Sets the modem initialisation string Note AT CBST 0 0 3 These strings work in most networks but or might have to be adjusted from network to SET MIS network AT CBST 7 0 3 SET DEV DTC Set up for datacall modem communication ACT RCD Resets the communications device after next logout LOGOUT Exits the terminal mode After entering the commands logout by using the command LOGOUT Make sure the modem has been successfully initialised by checking the display During this procedure the wireless interface will try to access the GSM network which will only be possible if the repeater is connected to antennas For lab tests with 50 Q attenuators on repeater ports it is possible to temporarily disconnect the wireless interface antenna cable SMA connector from the box and connect i
36. t to a small whip antenna Itis now possible to log in to the repeater by dialling the DATA CALL number of the SIM card NOTE Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 13 of 52 CSHP902 Manual y Vi ne de Do not try to enable the wireless interface for DATA CALL traffic if it has not registered any GSM radio signal If an attempt to enable the wireless interface is done when a very weak GSM radio signal is detected the communication between the repeater and the terminal will be extremely slow 6 4 Commands used to set Parameters The best method of adjusting RF parameters is by using the user friendly Repeater Maintenance Console software One can also set RF parameters when in Terminal mode by using the following commands followed by the enter key SET CHA 1 xxx 2 Sets repeater channel 1 to ARFCN xxx and yyy channel 2 to ARFCN yyy SET LNK 1 zzz 2 Sets channel 1 link ARFCN to zzz and WWW channel 2 ARFCN www Itis also possible to set only one channel at a time for example SET CHA 1 30 SET LNK 2 14 NOTE Setting input frequency output frequency is not recommended There should always be 3 guard channels or 800kHz from centre frequency to centre frequency SET ATD 1 xx 2 yy Sets attenuation to xx in downlink channel 1 and yy in channel 2 Sets attenuation to xx in uplink channel 1 and yy in channel 2 NOTE Gain Full gain attenuation
37. that can amplify and transmit a received Mobile Station MS signal in the MS transmit band In addition simultaneously it can amplify and transmit a received Base Transceiver Station BTS RF signal in the BTS transmit band Uplink UL HF signals that are transmitted from mobile radio equipment to the BTS 4 4 References 1 ETS 300 086 Radio Equipment and Systems Land mobile service Technical characteristics and test conditions for radio equipment with an internal or external RF connector intended primarily for analogue speech 2 ETS 300 609 4 Digital cellular telecommunications system phase 2 Base Station systems BSS equipment specification Part 4 Repeaters 3 ETS 300 342 3 Radio Equipment and Systems RES Electro Magnetic Compatibility EMC for European Digital Cellular Telecommunications systems Base Station Radio and ancillary equipment and Repeaters meeting phase 2 GSM requirements Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 8 of 52 CSHP902 Manual y Vi ne de 4 5 General Mobile Communication systems transmit signals in two directions between base station and mobile radio equipment If weak radio transmissions occur within the coverage area and they are due to topological conditions or distance from the transmitter a repeater system is used to extend the transmission range In the downlink path the repeater will pickup the signal
38. xplained in a separate instruction sheet available from Avitec Before the RMC can establish contact with the repeater the power must be switched on The default window in the RMC is BASICS From this window most of the parameters can be set Measuring Antenna Isolation using the RMC One of the unique features of the RMC is it s ability to measure the antenna isolation at the remote site Requires that the repeater has at least two channels In the example below we assume that the link carriers have been assigned frequencies F3 and F7 The broadcast carriers are for the purposes of this example F15 and F20 This is what you do Make sure that the levels frame on the right hand side of the basics window is displayed e The channel in chain 1 must always contain the BCCH e The link signal gain should not be set higher than necessary e Set the parameters for the channel in chain 1 to F15 and in the link field to F3 e Before setting chain 2 set the Power Limit in chain 2 to OFF e n Chain 2 set the link field to F15 This means that the frequency transmitted by the server antenna is the same as the frequency being picked up by the link antenna e Lookatthe power levels on the right side of your screen Note the Downlink 1 output power and Downlink 2 input power The antenna isolation can now be calculated using the following formula Output Power BCCH Input Power Downlink 2 Isolation Document Number Version 20
39. y This activates the AVITEC Login screen which requests the Username and Password Different user accounts may have different authorities The default login parameters are Username Password Authority Read write Read write Type USERNAM1 followed by Enter Repeater now prompts for Password Type PASSWRD1 followed by Enter You are now logged in Type STATUS followed by Enter This displays the current repeater settings and status This screen can also be viewed by pressing F3 NOTE Login activation may take several seconds if the control module is busy with a transmission or reception The username and password should be changed during installation The control module logs the number of failed login attempts If this count exceeds the user defined maximum default 8 then future login attempts are no longer allowed The false login count value is decremented by one every hour This means that it takes one hour after reaching the maximum number of failed login attempts before a new attempt can be made Document Number Version 2001 AVITEC AB CSHP902 UM User Operation and Maintenance Manual Page 12 of 52 CSHP902 Manual y Vi ne de 6 3 Commands Necessary to Set up Remote Access When the repeater is delivered the back up battery will be disconnected The battery cable connector is found next to the GSM modem on the inside of the repeater door Before starting with the set up of the telephone please connec
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