Using the deployment tool 63Do not select a cell edge that has an RSSI reading of less than 6.However, keep the following in mind.• There can be environments that cause poor tone at a RSSI meterreading of between 7 and 10. In this case, contact Nortelsupport teamfor assistance.• The tone stops after the radio link is lost.Handset tones interpretationThe handset tones indicate how close the handset is to the deploymenttool basestation.• Steady tone – the handset is within the cell boundary, or at the cellboundary edge.• Tone change, tone breakup, modulation, mute or click – the handset isbeyond cell boundary edge.Rules for outdoor deploymentProcedure 11Complying with the rules for outdoor deploymentStep Action1 Cover outdoor areas before covering indoor areas. Use thedeployment tool to determine outdoor cell centers.2 Use the deployment handset to determine the outdoor coverageprovided by a basestation located indoors.3 External housings for outdoor basestations must be mounteddirectly on walls or similar vertical surfaces.4 If you are using the deployment tool outdoors, ensure thedeployment tool does not fall over or come in contact withelectrical wires and cables.5 If an outdoor critical point cannot be reached, inform thecustomer.6 Do not use the deployment tool on windy days.7 Do not use the deployment tool in bad weather.8 Keep all personnel away from the apparatus.9 Follow all safety requirements.10 Use batteries to power the deployment tool.Nortel Communication Server 1000SIP DECT FundamentalsNN43120-123 01.076 January 2009Copyright © 2008-2009 Nortel Networks.
