comfortel WS-500M Site Planning And Measurement Manual, Instructions Measurement Case

comfortel WS-500M Site Planning And Measurement Manual, Instructions Measurement Case

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V01 09/2019
COMfortel WS-500M
Site Planning and Measurement Guide, Instructions
Measurement Case

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  • Page 1 V01 09/2019 COMfortel WS-500M Site Planning and Measurement Guide, Instructions Measurement Case...
  • Page 2: Table Of Contents

    Evaluating measurements ............. 33 Working with the COMfortel WS-500M Measurement Case ......35 Checking the package contents .
  • Page 3: Safety Precautions

    If you use a medical device (e.g. a pacemaker), please contact the device manufacturer. They will be able to advise you regarding the susceptibility of the device to external sources of high frequency energy. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 4: Introduction

    The COMfortel WS-500M Multi-Cell System The COMfortel WS-500M multi-cell system is a DECT multi-cell system for connecting DECT base stations to a VoIP PBX. It combines the options of IP telephony with the use of DECT telephones.
  • Page 5 (Cloud solution, hosted PBX) • VoIP provider The phone system • establishes the connection to a public phone network • enables central management of phone connections, directories, network mailboxes, ... COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 6 (depending on the capacity of the local base station). Multiple DECT managers are also required when the requirement is to connect more than 250 handsets or provide more than 60 connection channels. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 7 Load balancing is not possible. For more information on this, refer to Section Using multiple ¢ DECT managers P. 16. Installations Different build levels of the COMfortel WS-500M multi-cell system can be installed. Small Medium Large – XXL Device with INT + DM...
  • Page 8: Criteria For An Optimum Dect Wireless Network

    Auerswald/Fontevo offers the COMfortel WS-500M Measurement Case to help you with meas- uring the wireless coverage and quality of your DECT network. For information on setting up and using the measuring equipment, refer to Section Working with the COMfortel WS-500M Meas- ¢...
  • Page 9 You should investigate the actual conditions that the planned wireless network will be subjected to by measuring the signal transmission of the measuring base station at appropriate positions. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 10 Which codecs are approved can be set from the web interface. The device function also has a bearing on capacity. A COMfortel WS-500M - can only be deployed as a base station, a DECT manager with base station, or an integrator with DECT manager and base station.
  • Page 11 However, the strict requirements are only relevant for base stations along the synchronisation path. Neighbouring base stations that do not synchronise directly with each other can be installed further away from each other. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 12 Maximum distance for stable, good signal reception on the handsets Maximum distance to detect overlaps More information on LAN synchronisation is in the Advanced Information of the base station. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 13: How To Proceed

    Do you want to set up your DECT network in a difficult environment? Helpful information and tips are available here. If you have any questions about using your measuring devices, please contact our Customer support team. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 14: Projecting The Dect Network

    Where are the hotspots, i.e., where do a lot of subscribers gather simultaneously (open-plan office, canteen, cafeteria, etc.)? • Where are telephone conferences held? How many telephone conferences are held and how long are these? COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 15: Conditions For The Positioning Of The Base Stations

    The number of parallel calls possible reduces when a device houses ¢ a DECT manager, or integrator and DECT manager, at the same time as a base station ( P. 10). COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 16 • Openings in obstacles improve the technical wireless conditions. ¢ • Consider any possible interference factors ( P. 22). COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 17 P. 12. Information on LAN synchronisation, and synchronisation with base stations of other DECT managers, is available in the Advanced Information of COMfortel WS-500M. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 18 If it does not see any base station with a higher sync level, it cannot synchronise. A base station shows its synchronisation status with an LED. For information on synchronising base stations, refer to the Advanced Information for COMfortel WS-500M.
  • Page 19 ... The number of available connection channels on a COMfortel WS-500M depends on differ- ¢ ent factors P.
  • Page 20 24.5 E 122.5 E 2.4 E 12 E 24 E 120 E Alternative calculation for small systems For smaller systems, an approximate evaluation of the traffic volume can be sufficient. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 21 Therefore, moving the hotspot base stations may affect other base stations and you may have to relocate the base stations of the entire network. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 22 Despite sufficient signal strength, the following interference can occur: • Unexpected termination of the connection • Loss of synchronisation of handsets COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 23 We therefore recommend that when you plan the DECT network areas where interference can be expected, you err on the side of caution when you interpret the thresholds. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 24: Preliminary Identification Of The Positions Of The Base Stations

    The dotted lines on the two outer walls indicate tinted windows (coated with metal film). • The stairwell should be covered by DECT wireless transmission. There is a lift here. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 25 • You must also check whether the base stations planned are sufficient for the second hotspot. ¢ You then check these initial assumptions later using the measurements ( P. 26). COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 26: Taking Measurements

    Move metal objects as far away as possible from the measuring base station as they can influence the measurement. • Document the progress of the measurement by entering it in the layout plan (horizontally and, where applicable, vertically) and in a measurement log. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 27: Defining Thresholds

    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. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 28 The optimum value is 100 %. Reception power Frame quality Quality evaluation -60 dBm 100% Good -60 dBm Satisfactory -60 dBm Adequate -60 dBm Weak, not suitable -60 dBm Poor, not suitable COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 29: Measuring The Wireless Range Of The Planned Base Stations

    Check the voice quality in the limit areas using the connection to the second measuring handset or the measuring tone of the base station. ¤ Enter deviations in the reception signal measurement of the voice quality in the layout plan or the measurement log. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 30 –60 dBm/100% -50 dBm/98% -65 dBm/100% -48 dBm/100% -55 dBm/98% -65 dBm/100% -50 dBm/100% -68 dBm/96% -59 dBm/100% -55 dBm/98% -46 dBm/98% –60 dBm/96 % -52 dBm/98% -65 dBm/100% COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 31 Install the measuring base station at this location and take the measurements as for the first position. ¤ Enter the results in the plan and the measurement log. ¤ Now take this measurement for all planned assembly locations. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 32 Base station E only receives base station D with sufficient quality. Here, a sensible synchronisation hierarchy would be: Sync level 1 Base station C Sync level 2 Base stations A, B and D Sync level 3 Base station E COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 33: Evaluating Measurements

    Once the measurements are complete and the positions of the base stations have been defined, the telephone system can be installed. This is described in the user guide for the base station and the handset. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 34 On the page, you can also display graphics of the relationships between the base stations, the synchronisation level and information on the quality of the connections here. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 35: Working With The Comfortel Ws-500M Measurement Case

    You can use the measuring devices in the case to determine the DECT wireless coverage at your location, establish how many base stations are required and their optimum location and find sources of interferences in the wireless network. Checking the package contents COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 36: Further Recommended Accessories

    For example, the outer casing of the batteries could be damaged or the batteries could explode. The device could also malfunction or be damaged as a result of using batteries that are not of the recommended type. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 37: Setting Up The Measuring Base Station

    ¤ Insert the battery pack into the battery compartment in the base carrier §§3§§. ¤ Slide the lid onto the battery compartment §§4§§ until it clicks into place. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 38 "Operation" position. The measuring station has sufficient power when the LED on the front is illuminated. To save energy, move the switch to "Charge" when you do not need the device. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 39 §§1§§. Use the power §§4§§ adapter provided (no. in the figure on P. 35). ¤ Plug the power adapter into a mains socket §§2§§. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 40 The base carrier is fitted with a bracket for mounting the measuring base station on a stand. ¤ Position the thread of the battery carrier on the stand and screw the battery carrier into place. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 41: Starting Up The Measuring Handset

    To open the battery cover; for example, to change the batteries: ¤ Insert your fingernail into the notch on the casing, then pull the battery cover in an upward direction. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 42 This also means that your hands are free to enter the locations determined in the plan and you can read the display during the measurement phase. The headset volume corresponds to the setting for the receiver volume. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 43: Operating The Measuring Handset

    ID of the base station to which the handset is connected. The value is displayed in hexadecimal format. You will find detailed information on evaluating the measurement results in Section ¢ Defining thresholds P. 27. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 44 Press the speaker key to switch between earpiece mode and speaker mode. ¤ In this case, place the plastic cover supplied on the headset socket. This improves the quality in speaker mode. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 45 Once you activate metering mode, the RSSI measurement menu is opened. Working Time Here you can change the settings for the unit of measure Apprv. Narr.Band ´ and the measurement interval. Apprv. Wide Band ´ Zurück Ändern COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 46 Press the display key to exit the service menu again. The handset is deactivated. When you reactivate it, it is in metering mode with the selected settings. You should not make changes to other settings in the service menu. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 47: Dect Installations In Special Environments

    However, if this is a requirement, you can check whether you can achieve sufficient signal strength and quality for making calls in a lift by installing a separate base station in the lift shaft. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 48 Both base stations must be synchronised and (with the door open) have the required overlap area. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 49: Appendix

    (all times are maximum times). Battery pack for the measuring base station Capacity 2000 mAh Usage time 5.8 hours Charging time in charging cradle 3 hours COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 50: Glossary

    The selection of the codec for the telephone connection therefore influences the voice quality and, via the available bandwidth, the possible number of usable channels per base station. £ Codecs in Broadband mode COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 51 DECT network. Erlang Unit which measures the traffic volume in a communications system. One erlang corresponds to the continuous full capacity utilisation of one connection channel in a specific period. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 52 Possibility for a subscriber with a DECT handset to accept or make calls in all cells of a DECT network. Radio Fixed Part Number Number for the base station in a multi-cell DECT network. COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 53 (12–23) form a slot pair. Slot pair four means, for example: the base station sends in time slot four, the handset in time slot 16 (four + 12). COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 54: Index

    ....DECT wireless network ....technical conditions COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 55 ....Measurement process ..... Measurement result Measuring base station COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 56 ....... . RSSI ..RSSI (Received Signal Strength Indication) COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...
  • Page 57 ......optimum ......Wireless range COMfortel WS-500M - Site Planning and Measurement Guide V01 09/2019...

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