Signal Strength Survey - Avaya D100 Installing And Administering

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Handset registration

Signal strength survey

The coverage determined during site planning was only an estimate based on the building
environment. The planned location of a device might need to change based on the actual
coverage. Use the following procedure to verify the coverage of the base station and the repeaters
using the Signal Strength Survey mode.
Use any of the handsets registered to a base station to survey the coverage of that base station
and its repeaters, and establish where the signal is strongest or strong enough.
Procedure
1. Using an idle handset that is registered to the base station being surveyed, press 1+2+3
simultaneously and hold for two seconds.
If the display only reads Searching..., then the handset is out of range. Otherwise, the
handset enters Signal Strength Survey mode and the display reads as follows:
S L– 0
C H 1
Note:
If the LOCK, SL, or RFPI fields show FF, then the handset is not connected to the
base station or repeaters being surveyed.
• SL: Locked Slot — Slot Number: 0–B
• CH: Channel — Channel Number: 0–4 (NA), 0–9 (EU)
• RS: RSSI average — Received Signal Strength Indicator (0x15 – 0x3B)
Install base stations and repeaters such that the RSSI for each device is at least 22
everywhere within the coverage area.
• CR: CRC — (0x00 – 0x40). A value of 40 indicates an error-free signal quality.
Install base stations and repeaters such that the signal quality for each device is near 40
everywhere within the coverage area.
• LOCK: UCP state — LOCK (connected) or SRCH (searching)
• L: Lost Counter — Lost frame counter
• 0000: Base RFPI — If the last character is a '0' the survey is monitoring the base
station. Otherwise, it is monitoring a repeater. A unique value indicates each repeater.
April 2020
on page 38
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Installing and Administering D100 SIP Wireless Phones
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