Planning the Nortel WLAN 2300 System 83Nortel WLAN—Management Software 2300 Series Reference Guide6 In the Number Of Floors box, specify how many floors the building has.7 In the Starting Floor Level box, specify the floor number of the first floor in the building. To start with asubterranean floor, you can specify 0 or a negative floor number.8 In the Skip Floor Levels box, specify floor numbers you want to skip. Skipping floors is useful when youwant to model only certain floors in a building. To enter a list of floors, use commas to separate the floornumbers (example: 1,3,7). To enter a range, use a hyphen (example: 8-12).9 Click OK to close the dialog box.10 From the Content panel, you can also change default values for floors in the building. In the Unit ofMeasurement list, select Feet or Metric. If you are importing a drawing of a floor plan, choose themeasurement system the drawing uses.11 In the Height of the Ceiling box, type the number of feet or meters from the floor to the ceiling (1 to 1000feet or meters).12 In the Ceiling Type box, select the type of ceiling used most commonly in the building.WLAN Management Software adjusts the default attenuations based on your selection.13 To change the default attenuation for radios, type the number of dB in the 802.11a (dB) box or 802.11b/g(dB) box.From the building’s Content panel, you can edit the properties of existing floors in the building. See “Creating orModifying Floors” (page 83) next for more information.Creating or Modifying FloorsTo create or modify a floor in a building1 Select the RF Planning tool bar option.2 In the Organizer panel, click the building name.Note. The ceiling height is based on the surface of the ceiling where the accesspoints will be mounted, not on the center of the plenum space between floors.