
STAR Modem™
54
2
If STAR Modem™ as Client, is transmitting to more than one destination device in 1
way mode, it is necessary to set the Host application to include the modem address
in the message to be transmitted to the destination devices of the system.
Figure 6 - Transmitting a Message in 1 Way Mode
If STAR Modem™ as Client, is transmitting to more than one destination device in 2
way mode, it is necessary to set the Host application to include the modem address
in the message to be transmitted to the destination devices of the system.
STAR Modem™ will include the same address in the answer which sends back to
the Host.
Figure 7 - Transmitting a Message in 2 Way Mode
The Address Stamping parameters consist of a 4-digit number in the range 0000-
1999.
NOTE
When the modem receives data in 2 way mode from more than one
RF device, it is advised to enable Address Stamping for correct radio
transaction management.
Destination
Device
Modem Addr. + message
message
Destination
Device
Modem Addr. + message
Modem Addr. + answer
message
answer