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Data Communication and Host Modes
Rev 3.0B Feb.08 67
Figure 6-6: AceManager : PPP/Ethernet
• *HOSTPRIVMODE‐Setto1toenabletheexplicitIP
addresses.
• *HOSTPRIVIP‐SettotheIPaddressyouwanttheRaven
togivetoyourdevice.
• *HOSTPEERIP‐SettotheIPaddressyouwantforthe
Raven.
• *HOSTNETMASK‐Settothesubnetmask,generally
255.255.255.0.
Tip: If you are using Private Mode (*HOSTPRIVMODE=1), you will
need to make sure that *HOSTPRIVIP and *HOSTPEERIP are on the
same subnet. If the subnet mask is 255.255.255.0, it is safe to use
192.168.x.y for each as long as the x is the same number (0 in the
example screen shot above) and the y is different (1 and 2 in the
example) and between 0 and 254.
Keepalive
Keepaliveisusedtotesttheconnectiontothecellularnetwork
bypinginganIPaddressafteraspecifiedperiodofinactivity.
Keepaliveisonlyrecommendedforuserswhohavearemote
terminatedmodemthatinfrequentlycommunicatestothe
networkorifyouhaveexperiencedissuesovertimewherethe
modem
cannolongerbereachedremotely.
WhenKeepalivepingstheIPaddress,anacknowledgement
indicatesthereisanactiveconnectiontothenetwork.Ifthe
RavendoesnotreceivearesponsefromtheIPaddress,itwill
makeadditionalattemptsaccordingtoabackoffalgorithm
beforedeterminingtheInternetconnectionisnotfunctioning