SwyxDECT 700
Site Planning and Measurement Guide
As of: January 2017
Страница 1: ...SwyxDECT 700 Site Planning and Measurement Guide As of January 2017 ...
Страница 2: ...imited to any implied warranties of mer chantability or fitness for a particular purpose Trademarks All mentioned trademarks and product names are registered trademarks of Swyx Solutions AG and or its respective owners This documentation is proprietary intellectual property of Swyx Solu tions AG Reproduction adaptation or translation of this documentation without the express written consent of Swy...
Страница 3: ...ations 19 4 5 Evaluating measurements 21 Working with the SwyxDECT 700 SPK PRO 22 5 1 Checking the package contents 22 5 2 Further recommended accessories 23 5 3 Setting up the measuring base station 23 5 3 1 Preparing the base carrier 23 5 3 2 Charging the batteries 24 5 3 3 Alternative power supply 24 5 3 4 Mounting the measuring base station on the stand 25 5 4 Starting up the measuring handset...
Страница 4: ...es 34 Glossary 35 8 1 Bandwidth 35 8 2 Broadband mode 35 8 3 Cell 35 8 4 Cluster 35 8 5 Codec 35 8 6 dBm 36 8 7 DCS 36 8 8 DECT 36 8 9 DECT Manager 36 8 10 Erlang 36 8 11 Frame 36 8 12 Frame quality 36 8 13 Frequency 36 8 14 Handover 36 8 15 HD voice 36 8 16 Multi cell system 36 8 17 Narrowband mode 37 8 18 RFP 37 8 19 RFPI 37 8 20 Roaming 37 8 21 RPN 37 8 22 RPP 37 8 23 RSSI 37 8 24 Slot pair 37 ...
Страница 5: ...types as this could result in significant health risks and personal injury Rechargeable batteries which are noticeably damaged must be replaced If you give your device to a third party make sure you also give them the user guide Remove faulty devices from use or have them repaired by our Service team as these could interfere with other wireless services Do not use the device if the display is crac...
Страница 6: ...ne DECT Manager must be used for each installation Manages up to 30 DECT base stations Manages up to 100 handsets on multi cell systems Enables division into subnets see Cluster page 35 Forms the interface to an IP PABX A Web user interface is available for configuring and administering the DECT network SwyxDECT 700 Base stations These are the cells of the DECT telephone network Each base station ...
Страница 7: ... Cluster 1 Cluster 2 2 2 Criteria for an optimum DECT wireless network A carefully planned DECT wireless network with adequate coverage is the prerequisite for operating a telephone system that offers good call quality and sufficient call options for all subscribers in all buildings and areas belonging to the PABX It is difficult to assess the technical wireless conditions of a DECT instal lation ...
Страница 8: ...u should investigate the actual con ditions that the planned wireless net work will be subjected to by measuring the signal transmission of the measuring base station at appropriate positions 2 2 2 Capacity The capacity of the cells must be large enough to guarantee that the sub scribers can be reached in high density traffic A cell is at full capacity when the number of connections required for e...
Страница 9: ...ortant topics Information on is located here Determining the requirements for the tele phone network Determine the requirements for the telephone network and collect information about the environmental conditions for the planned DECT wireless network see Determining the requirements for the telephone network page 8 Creating an installation plan Create a building plan and enter the planned DECT bas...
Страница 10: ... required Where should telephone calls be possible In which buildings floors stairwell basement underground garage Outdoors on footpaths on the car park For further information please refer to Outside area page 31 How are the handsets distributed from a location perspective How many calls will be made What is the telephony behaviour of the subscribers How long is the average call Where are the hot...
Страница 11: ...istance can be 5 to 10 metres If there is an absorbent wall or absorbent furniture between the base stations 1 to 2 metres may be sufficient You will also find information about possible interferences in section Material characteristics and interference factors page 13 In a horizontal direction good connections can still be established behind 2 3 normal brick walls In a vertical direction and on t...
Страница 12: ...etwork it is not possible to have only one master station and to configure all others as slaves Instead you have to set up a synchronisation hierarchy You can configure this hierarchy using the Web user interface of the DECT Manager During configuration assign one level in the synchronisation hierarchy sync level to each base station Sync level 1 is the highest level it Synchronisation always refe...
Страница 13: ... The traffic volume is expressed in erlangs E One erlang corresponds to the continuous full capacity utilisation of one connection channel in a specific period Erlangs are usually calculated over an observation period of one hour Accordingly the occupation of a connection channel over one hour equals one erlang For example if all eight connections of a base station are continuously occupied this c...
Страница 14: ... however approximately only one quarter of these radio channels can be used without special measures since the neighbouring channels interfere with one another This results in a prac tical value of a maximum of 30 simultaneous connections With a maxi mum of eight handsets per base station this means that four SwyxDECT 700 Base base stations would be required If we assume that a maximum of 50 of th...
Страница 15: ...terference can be reduced or corrected by small changes to the position Wireless coverage in lifts is normally poor or not available at all see also Stairwells and lifts page 31 3 2 6 2 Loss of range through building materials in comparison to a free wireless field 3 2 6 3 Interference from other cells and networks DECT is very robust against interference from other wireless networks For example c...
Страница 16: ... wireless DECT First create a plan in which you then enter the locations of the base sta tions You can use existing building and supply plans if applicable For very large buildings you may be able to work with partial floor plans and then merge the results of the measurements into the evaluation 3 3 1 Creating a planning drawing Create a planning drawing from the information you have collected in ...
Страница 17: ...e wireless sig nal could reach For the hotspot in the room at the top left two additional base sta tions have been planned in parallel If full wireless coverage is required for the stairwell measurements must be performed to check whether a further base station has to be located here You must also check whether the base stations planned are sufficient for the second hotspot You then check these in...
Страница 18: ... g crackling power at the measuring site is critical Your head can impair reception For this reason the test against your ear is an additional check for verifying the reception quality in limit areas Use the measuring handset in idle status to measure the signal strength between the base stations as it is the measured signal strength and not the voice quality that is relevant in this situation Usi...
Страница 19: ... approximately 50 dBm Systems that are measured at up to 60 dBm generally offer a good quality For measurements up to 70 dBm the measurement must be checked and evaluated with an audio connection to ensure sufficient quality A handover is no longer possible in this area Different limit values can be used for the measurement based on the quality or use of specific areas e g office corridor basement...
Страница 20: ...e base station for which a subsequent change would mean the greatest effort This is usually 60 dBm 97 Weak not suitable 60 dBm 96 Poor not suitable Reception power Frame quality Evaluation of the quality the base station with sync level 1 Start here and move outwards from sync level to sync level For small installations Here it makes sense to start with the base station where the highest call traf...
Страница 21: ...in which a handover is possible highlighted grey in the table 4 4 Measuring the synchronisation overlap of neighbouring base stations For the base stations to be able to synchronise the signal strength between two neighbouring base stations must not be less than 70 dBm Measuring point Base station A Base station B Base station C Base station D 1 60 dBm 100 2 50 dBm 98 3 65 dBm 100 4 48 dBm 100 5 5...
Страница 22: ... and the measurement log 5 Now take this measurement for all planned assembly locations Example of a measurement log for measuring the synchronisation overlap In order to reliably assess the synchronisation you must be located with the handset at the exact position of the planned base station use a ladder to measure at the correct height if necessary A B C D E The result of the measurement is that...
Страница 23: ...tations to your plan where necessary A D Note that moving one installation location also influences the other meas urement results Always consider how this affects the synchronisation of the base stations Once the measurements are complete and the positions of the base sta tions have been defined the telephone system can be installed This is described in the user guide for the SwyxDECT 700 Base an...
Страница 24: ... base stations are required and their optimum location and find sources of inter ferences in the wireless network 5 1 Checking the package contents 1 4 3 2 5 Measuring base station mounted on a carrier Battery pack with eight rechargeable batteries AA Battery charger with three different plug in modules Europe Great Britain and the USA Power adapter for measuring base station only required if the ...
Страница 25: ...ion for this purpose This enables you to simu late the installation of a base station at every possible height and check the layout and range of the network The stand should have a screw thread and be extendable to a height of 2 50 to 3 00 m Use only the rechargeable batteries page 46 recommended i e never use conventional non rechargeable batteries otherwise serious health risks and personal inju...
Страница 26: ...lug the battery charger plug into the charging socket on the back of the base carrier 4 Charge the batteries until the charger s charging indicator lights up 5 When the batteries are charged unplug the charger plug from the charging socket and return the switch to the Operation position 2 1 3 4 5 5 3 3 Alternative power supply The measuring base station is supplied with power via the battery pack ...
Страница 27: ...n an Ethernet switch Use a shielded Ethernet cable 2 1 1 2 5 3 4 Mounting the measuring base station on the stand 5 4 Starting up the measuring handset The base carrier is fitted with a bracket for mounting the measur ing base station on a stand 1 Position the thread of the battery carrier on the stand and screw the battery carrier into place 1 Remove the measuring handsets and accessories from th...
Страница 28: ...mple to change the batteries 1 Insert your fingernail into the notch on the casing see arrow then pull the battery cover in an upward direction 5 4 3 Initial charging and discharging of the batteries 5 4 3 1 Battery charging status in the display The charging status of the battery is shown in the top right corner of the display The correct charge status can only be displayed if the batteries are f...
Страница 29: ...ormation on the standard functions of the handsets see the user guide for the devices 5 5 1 1 Display in idle status The display shows the following information in idle status The following information is also displayed You will find detailed information on evaluating the measurement results in section Defining limit values page 17 5 5 1 2 Display not in idle status Values for determining the conn...
Страница 30: ...tone to test the connection to a measuring base station from a measur ing handset The test melody is played via the loudspeaker If you have connected a headset press the speaker key d to hear the melody 5 5 3 Activating deactivating the measuring handset The measuring handset is activated automatically when it is placed in the charger This means that it is activated after charging in the charger 5...
Страница 31: ... Working Time Apprv Narr Band Apprv Wide Band Back Change Service SAR As soon as you have activated metering mode the RSSI measurement menu is opened Here you can change the settings for the unit of measure and the meas urement interval 5 5 6 Changing the settings for metering mode In the service menu you can change the unit of measure and the meas urement interval for metering mode Metering Mode ...
Страница 32: ...elect the required measurement inter val Value range 06 16 1 0 s 2 5 s Recommended value 16 The handset is deactivated When you reactivate it it is in metering mode with the selected settings Press the display key to activate metering mode Press the display key to exit the service menu again Metering Mode dBm Metering range 06 Back Start RSSI measurement You should not make changes to other settin...
Страница 33: ...nts here If you want calls via the DECT network to be possible in the stairwell the most cost effective variant is to install one or even several base station as a separate cluster If a handover is required in the stairwell you should check the position of the stairwell to the corridors transitions doors fire doors measure the wireless coverage and if necessary provide one or more base sta tions f...
Страница 34: ...ary perform further measurements in different weather condi tions plan the radio coverage generously if you want to guarantee secured reception Changes in the vegetation leaves on the trees growth of bushes can also affect the radio conditions 6 5 Handover over the whole site If handover is to be achieved over the whole site including all buildings the transition areas between internal rooms and t...
Страница 35: ...e detailed information about disposal of your old appliance please contact your local council refuse centre or the original supplier of the product 7 3 Care Wipe the base station charging cradle and handset with a damp cloth do not use solvent or an antistatic cloth Never use a dry cloth This can cause static Impairments in high gloss finishes can be carefully removed using dis play polishes for m...
Страница 36: ...he measuring base station Technology Nickel metal hydride NiMH Size AAA Micro HR03 Voltage 1 2 V Capacity 700 mAh Capacity 2000 mAh Usage time 5 8 hours Charging time in charger Three hours 7 6 Accessories 7 6 0 2 Ordering Swyx products You can order Swyx products from your specialist retailer 7 6 0 3 Spare parts for the SwyxDECT 700 SPK PRO Measuring base station SwyxDECT 700 SPK PRO Base carrier...
Страница 37: ...d compresses analogue voice before it is sent via the Internet and decodes i e translates into ana logue voice digital data when voice packets are received There are dif ferent codecs with differing degrees of compression for instance Both parties involved in the telephone connection caller sender and recipient must use the same codec This is negotiated between the sender and the recipient when es...
Страница 38: ...es a time multiplex procedure with a frame structure for separating the uplink and downlink for each radio channel Frequency This time frame is ten ms long and is subdivided into 24 time slots slot 0 23 The first 12 time slots are for the downlink and the second 12 time slots for the uplink For one connection the base station and handset each occupy one Slot pair 8 12 Frame quality The radio quali...
Страница 39: ...mber Number for the base station in a multi cell DECT network 8 22 RPP Radio Portable Part Handset in a multi cell DECT network 8 23 RSSI Received Signal Strength Indication Indicator for the reception field strength of radio signals On the measuring handsets of the SwyxDECT 700 SPK PRO RSSI is speci fied as a percentage value In this case the maximum assumed signal strength is defined as 100 The ...
Страница 40: ...s 27 Disposal 33 Dynamic Channel Selection DCS 36 E Environment 33 Erlang 11 36 F Frame quality 27 36 Frequency range 36 G Grade of service 11 Grade of Service GoS 11 H Handover 4 36 Handset contact with liquid 33 HD voice 36 Headset connecting 27 Hotspot 12 interference 12 I Installation guidelines 9 Installation height optimum 9 Interference factors 13 material characteristics 13 obstacles 13 ot...
Страница 41: ...Radio Fixed Part Number 37 Roaming 4 37 RPP Radio Portable Part 37 RSSI value fluctuations 21 S Safety precautions 3 Send power unit of measure 36 Service menu 29 Service mode 29 Signal strength 17 27 changing unit of measure 29 Signal transmission 6 Slot pair 27 37 Speaker 28 Stand 23 mounting 25 Steckernetzgerät 3 SwyxDECT 700 4 capacity 9 power supply 9 SwyxDECT 700 SPK PRO 22 Sync level 10 Syn...
