User manual

805U Radio Modem Module User Manual
Page 32 © April 2011
Transparent Repeater
When you select a transparent
repeater, the program will ask you to
enter a second group address. The
repeater will re-transmit messages
from the first group to the second
group - and from the second group
to the first group.
A transparent repeater will transmit
data from its host device (if there is
a host connected) using the first
group address, and will only output
data to its host device if the received
message has the first group address.
If the transparent repeater receives a
message from the second group, it
will re-transmit the message but it will not output the data.
4.4.2 Controlled Mode
If you select any of the controlled mode options, you will be asked to select a unit address for
the module. This should be a unique address for that module (0 – 127).
Auto-Connect Master
In auto-connect mode, the “master” will automatically attempt to connect to the slave address.
Once connected, the link can transfer data in either direction, with error-checking,
acknowledgement messages, and automatic re-transmissions if necessary. If the link
connection fails (indicated by the DCD led), then the master unit will automatically try to
reconnect to the slave.