Справочник Пользователя для AeroComm Corporation 4424200

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3/23/2006  
25 
 
5.2 S
OFTWARE 
P
ARAMETERS
 
Below is a description of all software parameters used to control the LT4424. 
5.2.1  RF Architecture (Server-Client/Peer-to-Peer) 
The Server controls the system timing by sending out regular beacons (transparent to the transceiver 
Host), which contain system timing information.  This timing information synchronizes the Client radios 
to the Server. 
Each network should consist of only one Server.  There should never be two Servers on the same RF 
Channel Number in the same coverage area, as the interference between the two Servers will severely 
hinder RF communications. 
In Server-Client architecture, the Server communicates with the Clients and the Clients only 
communicate with the Server.  Enabling Peer-to-Peer Mode will allow all radios on the network to 
communicate with each other.  Note:  All transceivers on the same network must have the same 
setting for Peer-to-Peer and there must still be one, and only one, Server present in a Peer-to-Peer 
network. 
5.2.2 RF Mode 
Acknowledge Mode 
In Addressed Acknowledge Mode, the RF packet is sent out to the receiver designated by the 
Destination Address.  Transmit Retries is used to increase the odds of successful delivery to the 
intended receiver.  Transparent to the OEM Host, the sending transceiver will send the RF packet to 
the intended receiver.  If the receiver receives the packet free of errors, it will tell the sender.  If the 
sender does not receive this acknowledge, it will assume the packet was never received and retry the 
packet.  This will go on until the packet is successfully received or the transmitter exhausts all of its 
retries.  The received packet will only be sent to the OEM Host if and when it is received free of errors.   
In Broadcast Acknowledge Mode, the RF packet is broadcast out to all eligible receivers on the 
network.  In order to increase the odds of successful delivery, Broadcast Attempts are used to increase 
the odds of successful delivery to the intended receiver(s).  Transparent to the OEM Host, the sending 
transceiver will send the RF packet to the intended receiver.  If the receiver detects a packet error, it will 
throw out the packet.  This will go on until the packet is successfully received or the transmitter 
exhausts all of its attempts.  Once the receiver successfully receives the packet it will send the packet 
to the OEM Host.  It will throw out any duplicates caused by further Broadcast Attempts.  The received 
packet will only be sent to the OEM Host if it is received free of errors.