perating and Installation
The CNI2 has several modes of operation. It can serve as a data logger for pulse
ations, a transparent modem to allow the host system to communicate with
an external piece of equipment, or as a short
When the CNI2 calls into the data collection system (
a Metretek “SIP” data logger.
In this mode the CNI2 serves as a data logger for pulse
and alarm sensing applications and uses the legacy Metretek communications protocol.
term “SIP” refers to a Metretek data logger called a Survey I
supports both CSD and IP (internet) communications with the CNI2.
supports CSD connections (see next topic).
does not support internet connections
is necessary to install another software product called “
a modem emulator and a transparent “bridge” to the internet. In this case you should select
The CNI2 contacts the InvisiConnect
server first. Data is then transferred between
system as though the connection was occurring over a wired
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