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Chapter 22: The 9160 G2 As Base Station
RRM Groups Configuration Settings
236
Psion Teklogix 9160 G2 Wireless Gateway User Manual
Maximum Message Segment Size
This textbox allows the user to specify the size of the largest message segment, in bytes,
that will be sent over the Psion Teklogix radio network. Larger messages are broken
into parts. The allowable values range from 32 to 116. The default value is 100.
Number of Retries
This textbox allows the user to specify the number of times the RRM retransmits a
message to a terminal, after receiving no acknowledgement from the terminal,
before it declares the terminal offline. The allowable values range from 1 to 7. The
default value is 3.
Collision Size
This textbox allows the user to specify the smallest number of characters of noise
received by the RRM, that will be interpreted as interfering transmissions from
Psion Teklogix equipment. When this threshold is exceeded, the RRM starts colli-
sion resolution. The allowable values range from 3 to 10. The default value is 6.
Free Window Factor
This textbox allows the user to specify the probability that the RRM will include a
free window in its poll, during which any terminal may transmit. The allowable
values range from 0 to 7. The default value is 0.
Message Mode Limit
This textbox allows the user to specify the probability of including a message-mode
poll in its poll transmission. The allowable values range from 0 to 7. The default
value is 4.
Callsign Period
This textbox allows the user to specify the amount of time between transmissions of
the callsign. This parameter is in minutes. A value of 0 (zero) indicates that no call-
sign is transmitted. The allowable values range from 0 to 60. The default value is 0.
Callsign String
This textbox allows the user to specify the text to be transmitted as the RRM’s call-
sign. The text is transmitted as Morse code. The default value is Teklogix.