User's Manual

Teklogix 9150 Wireless Gateway User Manual 123
Chapter 5: Base Station Configuration
RRM Groups
Number of Poll Windows
This textbox allows the user to specify the number of poll windows in which the
RRM listens for terminal responses after sending a poll. The allowable values range
from 2 to 4. The default value is 3.
Size of Poll Windows
This textbox allows the user to specify the size of the poll windows in which the
RRMs of this RRM group listen for terminal replies. The allowable values range
from 5 to 32. The default value is 8.
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 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
Teklogix equipment. When this threshold is exceeded, the RRM starts collision
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.