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AeroComm Corporation 44249AJ Manuale Utente

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5
5
5
5////8/2007
8/2007
8/2007
8/2007    
    25
25
25
25    
    
4.5.5
4.5.5
4.5.5
4.5.5    Power
Power
Power
Power----Down
Down
Down
Down    
After the Host issues the power-down command to the transceiver, the transceiver will de-
assert the In_Range line after entering power-down. A Client transceiver in power-down will 
remain in sync with a Server for a minimum of 2 minutes. To maintain synchronization with 
the Server, this Client transceiver should re-sync to the Server at least once every 2 minutes.  
This re-sync is accomplished by issuing the Power
Power
Power
Power----Down Wake
Down Wake
Down Wake
Down Wake----Up Command
Up Command
Up Command
Up Command and waiting for 
the In Range line to go active.  Once this occurs, the Client transceiver is in sync with the 
Server and can be put back into power-down. 
Host Command:
Host Command:
Host Command:
Host Command:    
Byte 1 = CCh 
Byte 2 = 06h 
    
Transceiver Response:
Transceiver Response:
Transceiver Response:
Transceiver Response:    
Byte 1 = CCh 
Byte 2 = RF Channel Number (Hexadecimal) 
4.5.6
4.5.6
4.5.6
4.5.6    Power
Power
Power
Power----Down Wake
Down Wake
Down Wake
Down Wake----Up
Up
Up
Up    
The Power-Down Wake-Up Command is issued by the Host to bring the transceiver out of 
power-down mode. 
Host Command:
Host Command:
Host Command:
Host Command:    
Byte 1 = CCh 
Byte 2 = 07h 
    
Transceiver Response:
Transceiver Response:
Transceiver Response:
Transceiver Response:    
Byte 1 = CCh 
Byte 2 = RF Channel Number (Hexadecimal) 
4.5.7
4.5.7
4.5.7
4.5.7    Broadcast Mode
Broadcast Mode
Broadcast Mode
Broadcast Mode    
The Host issues this command to change the transceiver operation between Addressed Mod
Addressed Mod
Addressed Mod
Addressed Modeeee 
and Broadcast Mode
Broadcast Mode
Broadcast Mode
Broadcast Mode.  If addressed mode is selected the transceiver will send all packets to 
the radio designated by the Destination Address
Destination Address
Destination Address
Destination Address programmed in the transceiver. 
Host Command:
Host Command:
Host Command:
Host Command:    
Byte 1 = CCh 
Byte 2 = 08h 
Byte 3 = 00 for addressed mode, 01 for broadcast mode 
 
Transceiver Response:
Transceiver Response:
Transceiver Response:
Transceiver Response:    
Byte 1 = CCh 
Byte 2 = 00 for addressed mode, 01 for broadcast mode