User Manual

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Document #7201-002, Rev C Page 21
consideration if there are likely to be tags stored for long periods in or near
the read zone!
Event message:
Settings to determine when an event message is to be sent and what the message will
contain:
Event reason A tag or an input can serve as a trigger for an event
Tag 3 possibilities: “Enter”, “Leave” or “Enter or Leave”
A message is generated when the tag enters the zone, when it leaves the
zone, or both when it enters AND when it leaves the zone.
Input This functionality has not been implemented at this time.
Message content Each message can contain up to 4 additional pieces of information. By
clicking on the check box, the corresponding information is added to the
message (in addition to the Tag ID): i-PORT ID, Time/Date, Tag Status
and Field Strength.
Antenna settings:
Settings for the antennas, power outputs, etc.
Enable By marking the check box, the corresponding antenna is activated
Scan Enable By marking the check box, the corresponding antenna is also able to
transmit
i-Q TxPower Power setting for i-Q tags at time of scan (send). Valid entries are –30 to
+6 dBm.
i-D TxPower Future option. Functionality not available at this time.
Rx Threshold Threshold (field strength of tag signal) required for tag recognition. Valid
entries are –100 to –20 dBm.
Sensitivity i-PORT receiver mode; this means that the Rx Threshold reaches –60dBm
in low sensitivity mode and –90dBm in high sensitivity mode
Cable Loss Differences in the various antenna types and cable lengths can be
adjusted here to net out the actual configuration to a “0dBm” reference
level. This facilitates the ability to enter the desired antenna output power
for scan transmit power (see example below).
Valid data for each parameter can be obtained from table in Appendix A.