Sierra Wireless RAVEN 20070914 User Manual Page 83

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Configuring Modbus/BSAP
Rev 3.0B Feb.08 78
Thedestinationportforthemodematthehostneedstomatch
thedeviceportinuseonallthemodemsattheremotesites.
Forexample,iftheremotemodem’sdeviceport(seebelow)is
“12345”,thentheModbushostmodem’sS53destinationport
shouldbesetto“12345”.
Setthedestinationport(S53)tomatchthedeviceportofthe
hostmodem(*DPORT).Makesurethedeviceportofthe
remotemodem(*DPORT)matchesthedestina tion portofthe
hostmodem(S53).
2. Configure IP addresses for the host.
IftheHostmodemhasastaticIPaddress,enteritintheDesti
nationAddressforS53.
Note: With a name instead of
IPs for the host modem, the
remote modems will query the
DNS server for the current IP
assigned to the host modem
before sending data back to the
host.
IfthemodematthehosthasadynamicIPandisusingIP
Manager,insteadofanIPaddressforS53,specifythenameof
thehostmodem(*MODEMNAME).Iftheremotemodemsare
usingadifferentDDNSthanthehostmodem,youwillneedto
specifythefullyqualified
domainname
(*MODEMNAME+*DOMAIN).
Note: Setting the Host modem IP address as the S53 Destination
Address provides a low level security. The modem will not forward
UDP traffic unless the source IP/port matches what is in S53.
However, if you set *AIP=1, the modem will forward UDP traffic from
any source IP address as long as it is accessing the modem on the
configured *DPORT.
3. Configure the default mode for start-up.
Eachmodemattheremotelocationswillneedtobeconfigured
tocommunicatewiththemodematthehost.InAceManager,
selectUDPinthesidemenu.
Figure 8-7: AceManager: UDP
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