www.acornfiresecurity.com
SECTION 5 (cont)
LINK QUALITY TAB - CHILD DEVICE SECTION
In the Child device section of the page, the following information is displayed:
Device:
The device type is displayed in the first column.
Address:
The device address is displayed in the next column. This address is allocated to
the device by the associated Translator/Expander. This is the system digital
address and NOT the allocated detection loop address.
Quality, RSSI:
Received Signal Strength Indication
(
RSSI
) is a measurement of the
power present in a received radio signal. The signal level from each RF modem is
displayed here - the value to the left of the oblique is from the Primary modem,
the figure to the right is the value from the Secondary modem. This level is
measured in Standard Units. Only one value will be indicated here - left or right.
The other value will be zero.
Quality, dB:
The signal level here is shown as a dB level.
Mark:
This is an indication of the link quality based on a five point rating scale:
QUALITY MARK
2
3
4
5
LINK INDICATION
Fail - no connection or very weak
Not good - Link margin is between 10 - 20 dBs
Good - robust communication with a link margin between 20 - 30 dBs
Excellent - Robust communication with a link margin
≥
30dBs
Comments:
This is the comment added about device location at the
"Configuration"
tab
Link:
WCTM Issue 3
This indicates the last time communications between the device and its
associated Translator Module/Expander Module took place. This indication
increments in 4 second intervals. For all devices, except wireless Audio-Visual
devices, this will increase to approximately 1 minute and return to zero. For the
Audio-Visual devices this will increment to approximately 12 seconds before
returning to zero.
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Summary of Contents for HFW-W2W-01
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