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Introduction

Gigaset N870 IP PRO / LUG IE-UK_IM en / A31008-XXXXX-XXXX-X-XX / intro.fm / 8/24/18

Introduction

This document explains the preparations necessary to install a multi-cell DECT network and take
measurements for the optimum positioning of the base stations. It also provides technical and
practical background information.

The Gigaset N870 IP Multicell System

The Gigaset N870 IP Multicell System is a DECT multi-cell system for connecting DECT base
stations to a VoIP PABX. It combines the options of IP telephony with the use of DECT telephones.

Components

The following figures shows the components of the Gigaset N870 IP Multicell System and how
they are embedded in the IP phone environment:

PABX

DECT base stations
Gigaset N870 IP PRO

Configuration from
web interface

LAN

IP phones

Gigaset

handsets

DECT integrator /
DECT manager

DECT integrator
(virtual machine)

Handover & roaming

Small/medium-sized installation

Large installation

DECT
manager

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Содержание N870 IP PRO

Страница 1: ...Gigaset N870 IP PRO LUG IE UK_IM en A31008 XXXXX XXXX X XX Cover_front fm 8 24 18 Version 2 06 08 2010 ModuleVersion 1 0 N870 IP PRO Multicell System Site Planning and Measurement Guide...

Страница 2: ...identification of the positions of the base stations 24 Taking measurements 26 Defining thresholds 27 Measuring the wireless range of the planned base stations 30 Evaluating measurements 35 Working wi...

Страница 3: ...er adapter indicated on the device Whilst charging the power socket must be easily accessible Use only the cable supplied for LAN connection and connect it to the intended ports only Remove faulty dev...

Страница 4: ...ell System The Gigaset N870 IP Multicell System is a DECT multi cell system for connecting DECT base stations toa VoIP PABX Itcombines the options of IP telephony with the use of DECTtelephones Compon...

Страница 5: ...ignalising controls the media path from the phone system to the relevant base stations DECT base stations form the wireless cells of the DECT phone network provide media processing from the handsets d...

Страница 6: ...belong to the same LAN subnet of the DECT manager For installations in different LAN subnets multiple DECT managers with one DECT manager per subnet are required The DECT manager function can be insta...

Страница 7: ...s refer to Section Using multiple DECT managers P 16 Installations Different build levels of the Gigaset N870 IP Multicell System can be installed LAN subnet 2 DECT manager 1 Cluster 1 Cluster 1 LAN s...

Страница 8: ...the technical wireless conditions of a DECT installation in advance as they are influenced by many environmental factors Therefore the specific circumstances on site must be determined by taking meas...

Страница 9: ...there must be an area where good reception is ensured for both base stations To achieve this a minimum quality for reception must be defined Signal transmission The ideal signal transmission of a bas...

Страница 10: ...Narrowband mode P 57 Broadband mode P 54 There are two options for increasing capacity Reducing the distance between the base stations This means that the cells overlap more giving the subscriber acc...

Страница 11: ...densely the base stations are installed the greater the overlap Here a compromise must be found between keeping the area relatively open and installing the lowest possible number of base stations The...

Страница 12: ...the connection quality is not high enough in certain areas base stations can also be synchronised over LAN Between base stations synchronised over cable the distances can be greater and the overlappi...

Страница 13: ...ess network P 14 Creating an installation plan Create a building plan and enter the planned DECT base stations in this plan You should take account of the general conditions determined and the technic...

Страница 14: ...m you require an integrator as a virtual machine P 7 Take measurements to check whether the positioning of the base stations at the assumed positions meets the requirements and whether the reception a...

Страница 15: ...istics and interference factors P 22 Conditions for the positioning of the base stations Conditions of the Gigaset N870 IP Multicell System In the planning stage you must take into account which build...

Страница 16: ...ust belong to different RPN groups This is also set from the integrator web interface Technical conditions The following values can be used as a guide for the planning They are values that are influen...

Страница 17: ...ernet connection to the PABX i e it must be possible to connect to the LAN Gigaset N870 IP PRO base stations are powered by PoE Power over Ethernet IEEE 802 3af Therefore you do not normally require a...

Страница 18: ...ach base station Sync level 1 isthe highest level it appears only once in each cluster A base station always synchronises itself with a base station that has a better sync level If it sees several bas...

Страница 19: ...ilable defines how manyconnections canbe managed simultaneously Note A connection channel is not only needed for phone calls All actions for which a handset requires a connection to the phone system o...

Страница 20: ...20 minutes this corresponds to 1 3 E Example calculation Calculation details It is a multi cell system with only one DECT manager The DECT manager system includes no base station i e it is provided as...

Страница 21: ...l space You can cover such areas with several base stations since the DECT bandwidths in the coverage areas of neighbouring basestations addup TheDECT standardprovides120radiochannelsthat can be share...

Страница 22: ...station that provides the strongest signal Therefore moving the hotspot base stations may affect other base stations and you may have to relocate the base stations of the entire network Material char...

Страница 23: ...ions are installed too closely together try to resolve the problem with the measures described in Section Hotspots increase the distances use obstacles to absorb the interference P 21 If you have foun...

Страница 24: ...arge buildings you may be able to work with partial floor plans and then merge the results of the measurements into the evaluation Creating a planning drawing Create a planning drawing from the inform...

Страница 25: ...can estimate how many base stations can see each other and which building areas the wireless signal could reach For the hotspot in the room at the top left two additional base stations have been plann...

Страница 26: ...ed by two people since they can check the voice quality and interference on both measuring handsets directly in a call If only one person performs the measurements the connection quality can be checke...

Страница 27: ...ntly alter the measurement value since the handset is suddenly able to receive the signal from the better aerial By moving around you determine an average value that you can use as the measurement val...

Страница 28: ...the various base stations within a partial system Typical thresholds for normal low interference environments are 1 Limit value for guaranteed call quality 65 dBm This is the value at which a handset...

Страница 29: ...reflection or external systems that influence the voice quality can also occur with good reception power The Frame quality is therefore also displayed on the measuring handset in addition to the rece...

Страница 30: ...regard to the existing problem areas As a rule of thumb first measure the base stations whose positions have the least leeway Take the following aspects into consideration Assumed problem areas For ba...

Страница 31: ...piece until the limit value of 65 dBm is displayedora wirelesstransmission boundary is reached e g lift exterior wall Transfer this point to your plan and enter the value in the measurement log Use th...

Страница 32: ...over lap zone of the two base stations in which a handover is possible highlighted grey in the table Measuring point Base station A 1 60 dBm 100 2 65 dBm 98 9 73 dBm 70 Measur ing point Base station A...

Страница 33: ...the handset to the planned position of a base station 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 ex...

Страница 34: ...chronisation everywhere Base station E only receives base station D with sufficient quality Here a sensible synchronisation hierarchy would be Measur ing point Base station A Base station B Base stati...

Страница 35: ...define new positions for the base stations and check them with further measurements Note that moving one installation location also influences the other measurement results Always consider how this a...

Страница 36: ...interface for the telephone system offers different tools for monitoring the operation and diagnosis in the event of problems occurring Page Status Statistics Base stations shows counters for various...

Страница 37: ...i cell system It contains one measuring base station two measuring handsets and further helpful accessories for exact determination of the DECT environmental conditions for the planned network and is...

Страница 38: ...charging time in the charger is approx 5 hours Stand To obtain an exact measurement we recommend that you mount the measuring base station and battery carrier securely on a stand The base carrier is f...

Страница 39: ...rier Remove the base carrier from the case together with the measuring base station and battery pack Slide the lid to the left to open the battery compartment 1 Lift the lid gently with your fingernai...

Страница 40: ...charging position by sliding it towards the charging socket Plug the battery charger into a mains socket 4 You may need to attach the appropri ate plug in module first Plug the battery charger plug i...

Страница 41: ...h power via the battery pack inserted in the battery carrier Alternatively you can also use one of the following power supplies Unplug the power cable plug from the base station Connecting to the main...

Страница 42: ...on on the stand Connecting to a switch with PoE functionality Power over Ethernet Connect the LAN socket on the measuring base station 1 to a connection on an Ethernet switch 2 Use a shielded Ethernet...

Страница 43: ...spares The display and keypad are protected by plastic film please remove it 1 2 3 4 5 Connecttheflatplugofthe poweradapter to the charger 1 Insert the power adapter into a mains socket 2 If you have...

Страница 44: ...e the handset in the charger for 5 hours After charging remove the handset from the charger and only replace it when the batteries are fully discharged The handset may only be placed in the associated...

Страница 45: ...only describes the functions of the handsets relevant for measurements For information on the standard functions of the Gigaset S650H PRO handset see the user guide for the device See the product page...

Страница 46: ...sttheconnection to a measuring base station from a measuring handset Enter the number string O 2 2 from the keypad c Press the talk key The test melody is played via the loudspeaker If you have connec...

Страница 47: ...ia the service menu Proceed as follows a Press and hold the off key to deactivate the handset 4M a Press 4and M at the same time and hold them down Then press and hold the on key a The handset is now...

Страница 48: ...ngth as a per centage value This represents the signal strength of the pack age received as a ratio of the maximum possible RSSI 100 r Use the navigation key to select the desired display of the signa...

Страница 49: ...ely Add the vertical levels of your planned coverage areas to your measurement plan and record the vertical transmission of the DECT network No handover between floors required In this case you can wo...

Страница 50: ...lds for the operating temperature of the base stations 5 to 40 must be taken into consideration The installation can be on a mast not metal on the roof or on a wall of the building Please note that th...

Страница 51: ...o the international standards ISO 14001 and ISO 9001 ISO 14001 Environment Certified since September 2007 by T V S D Management Service GmbH ISO 9001 Quality Certified since 17 02 1994 by T V S D Mana...

Страница 52: ...it has fully dried out you will normally be able to use it again Approval Voice over IP telephony is possible via the LAN interface IEEE 802 3 Depending on your telecommunication network interface an...

Страница 53: ...gaset N720 SPK PRO Ordering accessories small parts and spare parts You can order Gigaset products and accessories from your specialist retailer You can find Gigaset business partners near you at giga...

Страница 54: ...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 configuration directories etc However the ba...

Страница 55: ...onnection dBm Decibel dB related to milliwatt mW Unit of measure for the send power 0 dBm corresponds to a power of 1 mW larger power values have positive dBm values smaller power values have negative...

Страница 56: ...28 kHz where 0 represents the highest frequency and 9 the lowest Handover Possibility for a subscriber with a DECT handset to change from one cell to another during a call or a data connection without...

Страница 57: ...n medium voice data is transmitted in narrowband mode or Broadband mode In narrowband mode a transmission rate or Bandwidth of up to 32 Kbit s is available The bandwidth used for the transmission is d...

Страница 58: ...Channel Selection 55 DECT Digital Enhanced Cordless Telecommunica tion 55 DECT base station 5 DECT integrator 5 DECT Manager 55 DECT manager 5 DECT managers using multiple 16 DECT network planning 14...

Страница 59: ...Minimum distance 16 Multi cell system 4 56 N Narrowband 15 Narrowband mode 57 O Opening the battery compartment 39 Overlap 11 P P 14 13 Phone system 5 Planning drawing 24 Playing test melody 46 PoE Po...

Страница 60: ...Cover_back fm 8 24 18 Version 2 06 08 2010 ModuleVersion 1 0 Issued by Gigaset Communications GmbH Frankenstr 2a 46395 Bocholt Germany Gigaset Communications GmbH 2018 Subject to availability All righ...

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