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N72

DECT IP

Site Planning and Measurement Guide

Multicell System

VoIPon www.voipon.co.uk [email protected] Tel: +44 (0)1245 808195 Fax: +44 (0)1245 808299

Содержание Pro N720 DECT IP

Страница 1: ...N720 DECT IP Site Planning and Measurement Guide Multicell System VoIPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299...

Страница 2: ...VoIPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299...

Страница 3: ...base stations 24 Evaluating measurements 28 Working with the Gigaset N720 SPK PRO 29 Checking the package contents 29 Further recommended accessories 30 Before you begin 31 Setting up the measuring b...

Страница 4: ...tible with the majority of digital hearing aids on the mar ket However perfect function with all hearing aids cannot be guaranteed The handset may cause an unpleasant humming or whistling noise in hea...

Страница 5: ...nagement station for managing the DECT network One DECT Manager must be used for each installation Manages up to 20 DECT base stations Manages up to 100 handsets on multi cell systems Enables division...

Страница 6: ...m using one Gigaset N720 DM PRO DECT Manager The DECT Manager is connected to the base stations and the PABX via the local net work and is therefore not dependent on DECT ranges This means that you ca...

Страница 7: ...icient DECT wireless coverage of the entire site so that every subscriber can be reached u Sufficient wireless channels DECT bandwidth in particular in hotspots to avoid capacity bottlenecks u Suffici...

Страница 8: ...ssible connections A Gigaset N720 IP PRO can manage eight connections simultaneously when operated in narrowband mode Narrowband mode page 49 In broadband mode four simulta neous connections are possi...

Страница 9: ...ity to ensure that the base stations can receive one another securely For a handover a handset must have a connection of sufficient quality to both base stations You will find information about possib...

Страница 10: ...this plan You should take account of the general conditions deter mined and the technical requirements of DECT telephony in the process page 18 Taking measurements Use the installation plan to take m...

Страница 11: ...cribers and subscriber behaviour u How many employees should be able to make calls and how many subscribers should be able to make calls simultaneously How many handsets are required How many base sta...

Страница 12: ...imum of eight connections simultaneously four connections in Broadband mode This must be taken into consideration in the capacity calculations page 13 Technical conditions The following values can be...

Страница 13: ...the base stations at a lower height interfer ence can occur as a result of furniture or movable objects There should be a minimum clearance of 0 5 m to the ceiling u We recommend installing all base...

Страница 14: ...of the Gigaset N720 DM PRO 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 appears only once i...

Страница 15: ...S The grade of service determines the number of connections that may not be achieved due to the system being at full capacity i e the line is engaged A grade of service of 1 means that out of 100 call...

Страница 16: ...service of 4 you need only three base stations i e 24 connection channels With a grade of service of 4 it is permissible for 20 calls from 500 not to be established This means that only 480 connectio...

Страница 17: ...ing a call simulta neously in a hotspot 60 handsets can be used with four base stations If interference frequently occurs at a hotspot or more than 30 connections are required simultaneously the follo...

Страница 18: ...reas reflections firewalls tank systems refrigerators electrical boilers etc u Movable metal objects such as lifts cranes carts escalators shutters u Room furnishings such as metal shelves filing cabi...

Страница 19: ...installed too closely together try to resolve the problem with the measures described in the Hotspots section increase the distances use obstacles to absorb the interference page 15 If you have found...

Страница 20: ...ments into the evaluation Creating a planning drawing Create a planning drawing from the information you have collected in the preliminary examination of the location Enter building dimensions hotspot...

Страница 21: ...reach u For the hotspot in the room at the top left two additional base stations have been planned in parallel u If full wireless coverage is required for the stairwell measurements must be performed...

Страница 22: ...ey can check the voice quality and interference on both measuring handsets directly in a call If only one person per forms the measurements the connection quality can be checked using the test tone of...

Страница 23: ...e since the handset is sud denly able to receive the signal from the better aerial By moving around you determine an average value that you can use as the measurement value If the fluctuations are str...

Страница 24: ...the various base stations within a partial system Typical limit values for normal low interference environments are 1 Limit value for secured voice quality 65 dBm This is the value at which a handset...

Страница 25: ...packages received without errors in a measurement interval The optimum value is 100 As a rule of thumb 2 reduction in the frame quality leads to a devaluation by one level in the quality table illust...

Страница 26: ...have the least leeway Take the following aspects into consideration u Assumed problem areas For base stations that are to cover specific problem areas e g a stairwell or entrance area there are often...

Страница 27: ...the value in the measurement log Use this method to determine the border line around the base station The theoretical ideal case of a ring shaped transmission is considerably altered in reality by wal...

Страница 28: ...tion that is to synchronise with the first base station 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 lad...

Страница 29: ...synchronisation everywhere Base station E only receives base station D with sufficient quality Here a sensible synchronisation hierarchy would be Measuring point Base station A Base station B Base st...

Страница 30: ...onsider how this affects the synchronisation of the base stations Enter the determined optimum installation locations for the base stations in the plan including the height and special construction ci...

Страница 31: ...case to determine the DECTwirelesscoverageatyourlocation establishhowmanybase stations are required and their optimum location and find sources of interferences in the wireless network Checking the p...

Страница 32: ...tion 11 Planning and recording materials with pen 6 7 8 9 10 11 Stand To obtain an exact measurement we recommend that you mount the measuring base station and battery carrier securely on a stand The...

Страница 33: ...purpose Preparing the base carrier Please note Use only the rechargeable batteries page 45 recommended by Gigaset Commu nications GmbH i e never use conventional non rechargeable batteries otherwise...

Страница 34: ...harge behind opening 3 Move the switch to the charging position by sliding it towards the charging socket Plugthebatterycharger into a mains socket 4 You may need to attach the appro priate plug in mo...

Страница 35: ...station has sufficient power when the LED on the front is illuminated u To save energy position the switch on Charge when you do not need the device Unplug the power cable plug from the base station...

Страница 36: ...n the measuring base station 1 to a connection on an Ethernet switch 2 Use a shielded Ethernet cable The base carrier is fitted with a bracket for mounting the measuring base station on a stand Positi...

Страница 37: ...flat plug of the power adapter to the charger 1 Insert the power adapter into a mains socket 2 If you have to remove the plug from the charger again Press the release button 3 and discon nect the plu...

Страница 38: ...and only replace it when the batteries are fully discharged The handset must only be placed in the des ignated charger Lights up white Charged over 66 Lights up white Charged between 34 and 66 y Ligh...

Страница 39: ...tandard functions of the Gigaset S810H handset see the user guide for the device See the product page at www gigaset com Values for determining the connection quality RSSI value RSSI value Base statio...

Страница 40: ...he measurements alone you can play a continuous test tone to test the connection to a measuring base station from a measuring handset Enter the number string O 2 2 via the keypad c Press the talk key...

Страница 41: ...u have exited metering mode you can reactivate it via the service menu Proceed as follows a Press and hold the off key to deactivate the handset 4 a Press and 4 at the same time and hold them down The...

Страница 42: ...of the maxi mum possible RSSI 100 r Use the navigation key to select the desired display of the signal strength dBm The signal strength measured is displayed in dBm This is preset and is the recommen...

Страница 43: ...ical transmission of the DECT network u No handover between floors required In this case you can work with clusters more cost effective If you set up one cluster for each floor the base stations of th...

Страница 44: ...llation can be on a mast not metal on the roof or on a wall of the building Please note that the LAN connection must be guaranteed as this supplies the device with power and is also required for the c...

Страница 45: ...process design Further information on environmentally friendly products and processes is available on the Internet at www gigaset com Environmental management system Gigaset Communications GmbH is cer...

Страница 46: ...in a dry warm place for at least 72 hours not in a microwave oven etc 4 Do not switch on the handset again until it is completely dry When it has fully dried out you will normally be able to use it ag...

Страница 47: ...atteries with high capacities is not recommended for cordless phones Due to the constant progression in battery development the list of recommended batter ies in the FAQ section of the Gigaset Custome...

Страница 48: ...l injury and also ensure that all the relevant regulations are complied with Case with measuring equipment Item number Gigaset N720 SPK PRO S30852 H2316 R101 Spare part Measuring base station Gigaset...

Страница 49: ...i cell DECT network Cluster Subdivision of a DECT network into groups subnets by a central management station DECT Manager All telephones in the network use the central functions of the PABX VoIP conf...

Страница 50: ...729 Average voice quality The necessary bandwidth is less than or equal to 8 kbit s per voice connection dBm Decibel dB related to milliwatt mW Unit of measure for the send power 0 dBm corresponds to...

Страница 51: ...fre quency band is divided into ten carrier frequencies channels with a channel interval of 1728 kHz where 0 represents the highest frequency and nine the lowest Handover Possibility for a subscriber...

Страница 52: ...ignals On the measuring handsets of the Gigaset N720 SPK PRO RSSI is specified as a percent age value In this case the maximum assumed signal strength is defined as 100 The percentage value represents...

Страница 53: ...anager 3 48 DECT network planning 9 DECT wireless network 5 technical conditions 10 Display in idle status 37 in metering mode 37 not in idle status 38 Disposal 43 Dynamic Channel Selection DCS 48 E E...

Страница 54: ...i cell system 3 49 N Narrowband 6 Narrowband mode 49 O Opening the battery compartment 31 Overlap 7 P Planning drawing 18 Playing test melody 38 PoE Power over Ethernet 11 34 Power adapter 2 33 Q Ques...

Страница 55: ...A31008 M2316 L101 2 7619 VoIPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299...

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