Avaya 15-601082 manual Detect dBm Coverage, Detect Overlap or Conflicts

Wireless Installation and Configuration Guide

Site Survey Mode

Test signal strength in the covered area by performing a Site Survey. Put a wireless phone in Site Survey Mode (see Wireless Phone Configuration) and walk the entire coverage area while viewing the display.

The FCN key toggles between the three coverage modes described below. The wireless phone will remain in Site Survey Mode until it is powered off. When testing is complete, and to power off the wireless phone, press Power Off/End Call.

Numbers racing across the wireless phone display indicate access point information is being obtained. A Waiting message indicates the system is not configured properly and the wireless phone cannot find any access points.

Detect dBm Coverage

As you walk the perimeter, the two-line display will show the top four access points that the wireless phone can contact in a code as illustrated below.

XXX1 YY XXX2 YY

XXX3 YY XXX4 YY

-dBm

XXX1 through XXX4 are the last four digits of the access point's MAC address. The primary access point (the access point which had the strongest signal to this wireless phone) displays first, followed by the three access points with the next strongest signals.

YY is the power level in dBm at which this wireless phone heard the associated access point. Although shown as a positive number, YY represents negative dBm and lower numbers

represent stronger signals. For example, a displayed value of 40–indicates 40dBm, and is therefore’ a stronger signal then a display of 50 (which indicates 50dBm). At least one access point s reading should be stronger than -70 dBm in all areas.

Note any areas that have inadequate dBm readings.

Detect Overlap or Conflicts

To toggle to the Site Survey function that shows the channel number of the access points, press FCN. Use this information to detect overlaps or conflicts in access point signaling.

XXX1 YY XXX2 YY

XXX3 YY XXX4 YY

Chnl

XXX1 through XXX4 are the last four digits of the access points’ MAC address.

ZZ is the channel number that the access point is using.

Note any areas that have access points that are in contention for the same channel.

It is preferable that no overlaps exist anywhere in your facility. If that is not possible, then any location that shares two access points with the same channel should also show at least two access points with stronger signals that do not conflict.

Wireless Installation and Configuration Guide	Page 52
IP Office	[15-601082] Issue [1] (1 June 2006)