Xiamen Caimore Communication Technology Co.,Ltd
2 F, 37#, Wanghai Road, Software Park 2, Xiamen,China (361009)
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Tel:+86 592 5901215
web:www.caimore.com/emain.asp
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4.1.7 Keep Online (make sure to select one kind online
maintenance solution)
Keeping Online function is used to check wireless gateway online status,
this function checks periodically and automatically data channel between
gateway and wireless network whether normal or no, if finds off-line, software
will re-dial automatically and intelligently, to realize device is online always
without watcher, to make sure data channel smooth.
Wireless gateway supplies 4 kinds online checking mode, customer can
select one or more kinds, default
use Rule2 and Rule3
.
Customer input stable “
destination IP address
” and “destination address
port ”and regard them as the reference of online maintenance. Please kindly
noted, the input “
destination IP address
” and “
destination address por
t” are
must be stable, because wireless gate is reference of this server, if this server
is not stable, it will cause wireless network off-line frequently.
When multi rules are used, only when all selected rules find
communication line is obstructed, wireless gateway can judge device is off-line
and restart connection automatically.
Picture 4-1-16
Rule 1: PING Mode
Wireless gateway checks destination IP address through PING (ICMP)
packet periodically. When the referenced destination IP address device doesn’t
respond PING (ICMP), wireless gateway considers communication line is
disconnected already, and it will released the original link, then dial-up again
automatically, till communication link is smooth. So please make sure the
selected destination address IP server is stable and on, otherwise, gateway will
judge to be off-line, and make gateway on-line and off-line frequently.
