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	<title>Ravica Blog &#187; SNMP</title>
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	<link>http://www.ravica.com/blog</link>
	<description>Environmental monitoring solutions that just work</description>
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		<title>Environmental Monitoring Improvements to the SecurityProbe 5E</title>
		<link>http://www.ravica.com/blog/environmental-monitoring/environmental-monitoring-improvements-to-the-securityprobe-5e/</link>
		<comments>http://www.ravica.com/blog/environmental-monitoring/environmental-monitoring-improvements-to-the-securityprobe-5e/#comments</comments>
		<pubDate>Mon, 07 Mar 2011 20:28:05 +0000</pubDate>
		<dc:creator>Angela</dc:creator>
				<category><![CDATA[environmental monitoring]]></category>
		<category><![CDATA[Notifications]]></category>
		<category><![CDATA[Security Monitoring]]></category>
		<category><![CDATA[SecurityProbes]]></category>
		<category><![CDATA[security sensors]]></category>
		<category><![CDATA[SecurityProbe]]></category>
		<category><![CDATA[SNMP]]></category>
		<category><![CDATA[SNMP trap]]></category>
		<category><![CDATA[trigger alarms]]></category>

		<guid isPermaLink="false">http://www.ravica.com/blog/?p=1916</guid>
		<description><![CDATA[Monitor your infrastructure with the versatile securityProbe 5E which works with every intelligent sensor in the Ravica family.  Monitor temperature, humidity, water leakage, airflow, security, detection of AC power line voltage, measurement of Digital Voltmeter, control relays, and much more simply by connecting up to 8 of our autoSense sensors in any combination.  The Ravica [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.ravica.com/blog/wp-content/uploads/2011/02/securityProbe-5E.3.jpg"><img class="alignright size-full wp-image-1965" title="securityProbe 5E for Environmental Monitoring" src="http://www.ravica.com/blog/wp-content/uploads/2011/02/securityProbe-5E.3.jpg" alt="securityProbe 5E for Environmental Monitoring" width="312" height="87" /></a><a title="Environmental Monitoring Solutions that are simple, affordable, and reliable" href="http://www.ravica.com/products/index.php" target="_blank">Monitor your infrastructure</a> with the versatile securityProbe 5E which works with every intelligent sensor in the Ravica family.  Monitor temperature, humidity, water leakage, airflow, security, detection of AC power line voltage, measurement of Digital Voltmeter, control relays, and much more simply by connecting up to 8 of our autoSense sensors in any combination.  The Ravica range of sensors also includes an integrated data collection and graphing package which is especially useful in trending and analysis.</p>
<p>And now it’s even easier to trap trigger a relay across the internet using the using the securityProbe 5E.</p>
<p><span id="more-1916"></span></p>
<p>The set-up procedure has been simplified.  Here is a summary:<br />
• The SNMP Trap Receiver is turned on in the Virtual Sensor portion of the SecurityProbe&#8217;s web interface.<br />
• The SecurityProbe can receive an SNMP trap from another device, such as a <a title="Ravica's 2-port sensor device for monitoring an infrastructure's environment" href="http://www.ravica.com/products/sp2.php" target="_blank">BitSight2</a>.<br />
• The Trap received can be used to trigger a relay to turn on and off  other sensors, send alerts from the SecurityProbe unit, and perform  other actions.</p>
<p>When an event occurs, the SecurityProbe 5E can send <a title="Simple Network Management Protocol" href="http://en.wikipedia.org/wiki/Simple_Network_Management_Protocol" target="_blank">SNMP traps</a>, email, SMS, MMS, make a telephone call, and make an audio alert.  These alert messages are customizable and can include a picture of the event.  Besides notification alerts, event information is stored in a nonvolatile flash memory.  The SecurityProbe 5E has a battery-backed time-of-day clock to facilitate accurate record keeping.</p>
<p>In order to prevent false alarms, the SecurityProbe 5E provides an extensive filtering of events.  You can limit events based on time of day or day of the week.  This is especially useful with equipment such as the <a title="Ravica's passive infrared Motion Detector senses the presence of movement" href="http://www.ravica.com/products/is_motion.php" target="_blank">motion detector</a>, where you may want to process an event only when the business is closed.</p>
<p>Call Ravica at 207-324-8173 for more information about the SecurityProbe 5E and our other products designed to keep your data and facilities safe.</p>
<p>~Angela<br />
<a title="Follow Ravica on Twitter!" href="http://twitter.com/RavicaMonitors" target="_blank">Follow us on Twitter!</a><br />
<a title="Find us on Facebook!" href="http://www.facebook.com/home.php?#%21/pages/Ravica/127217813987612" target="_blank">Find us on Facebook!</a></p>
]]></content:encoded>
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		<title>Top 3 advantages of web-based temperature monitoring systems</title>
		<link>http://www.ravica.com/blog/environmental-monitoring/top-3-advantages-of-web-based-temperature-monitoring-systems/</link>
		<comments>http://www.ravica.com/blog/environmental-monitoring/top-3-advantages-of-web-based-temperature-monitoring-systems/#comments</comments>
		<pubDate>Mon, 21 Dec 2009 19:35:24 +0000</pubDate>
		<dc:creator>Jon Mills</dc:creator>
				<category><![CDATA[environmental monitoring]]></category>
		<category><![CDATA[humidity monitoring]]></category>
		<category><![CDATA[temperature monitoring]]></category>
		<category><![CDATA[remote system management]]></category>
		<category><![CDATA[SNMP]]></category>
		<category><![CDATA[web-based applications]]></category>

		<guid isPermaLink="false">http://www.ravica.com/blog/?p=706</guid>
		<description><![CDATA[It regularly occurs to me that web-based environmental monitoring systems, whether they be for the home, office, data center, storage closet, you name it, can oftentimes be overkill. Some people just need a thermometer. Others just need a barometer. Sometimes, simple problems call for simple solutions. However, a web-based system that can monitor for changes [...]]]></description>
			<content:encoded><![CDATA[<p><img class="alignright size-full wp-image-708" title="web-based environmental monitoring systems" src="http://www.ravica.com/blog/wp-content/uploads/2009/12/web-based-software.jpg" alt="web-based environmental monitoring systems" width="280" height="210" />It regularly occurs to me that web-based environmental monitoring systems, whether they be for the home, office, data center, storage closet, you name it, can oftentimes be overkill. Some people just need a thermometer. Others just need a barometer. Sometimes, simple problems call for simple solutions.</p>
<p>However, a web-based system that can monitor for changes in <a title="temperature and humidity sensors" href="http://www.ravica.com/products/is_humid.php">temperature, humidity</a>, airflow, as well as the presence of water, smoke and motion, can be extremely valuable. To demonstrate just how valuable, I thought I would put together a list of the top three reason why a web-based system is more convenient and cost effect for many home and business applications.</p>
<p><span id="more-706"></span></p>
<p><strong>1. Remote system management</strong><br />
For many of our customers, the BitSight and SecurityProbe line of monitors are perfect for <a title="colo" href="http://en.wikipedia.org/wiki/Colocation_centre">collocation centers</a> or off site installations, where they may house valuable equipment, like servers and networking hardware, away from their place of daily operations. It is not always convenient for a network administrator to visit a location that might be hours away (or perhaps even on the other side of the country). With a web-based system, monitoring temperature and humidity readings becomes as easy as visiting a web page.</p>
<p><strong>2. SNMP support</strong><br />
Regardless of what <a title="Denika Network Performance Trender" href="http://www.plixer.com/products/denika.php">network monitoring applications</a> you use, <a title="Simple Network Management Protocol" href="http://en.wikipedia.org/wiki/Simple_Network_Management_Protocol">SNMP</a> is one of the most universally supported protocols available. With complete SNMP support, the Ravica line of intelligent sensors can be monitored using the same tools that you already use to monitor the health of your servers and other networking hardware. With enough expertise, configuration commands can even be issued manually via SNMP or using other SNMP configuration tools.</p>
<p><strong>3. Many sensors on a single user interface</strong><br />
With traditional temperature sensors, and the like, there is nothing to report back to. You have your sensor, with the reading, maybe displayed on an attached gauge or screen. If you have multiple sensors that means physically visiting each one to take your measurements. However, with a web-based approach, we provide several sensors readings all displayed in a central interface. There is no longer a need to visit each sensors. Even though they may be physically placed in five separate locations, the readings can all be found from your desk chair.</p>
<p><strong>Summary</strong><br />
So when considering any form of environmental monitoring system, whether you are monitoring temperature, humidity, airflow or smoke, make sure to decide well in advance if a web-based system is necessary. If so, make sure to take a look at Ravica&#8217;s <a title="temperature and humidity monitoring systems" href="http://www.ravica.com/">environmental monitoring solutions</a> and our line of intelligent sensors. You won&#8217;t be disappointed!</p>
<p>~ Jon Mills<br />
<a title="Follow Jon Mills on Twitter" href="http://twitter.com/myfakeid">Follow me on Twitter</a></p>
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		</item>
		<item>
		<title>Temperature monitoring software</title>
		<link>http://www.ravica.com/blog/environmental-monitoring/temperature-monitoring-software/</link>
		<comments>http://www.ravica.com/blog/environmental-monitoring/temperature-monitoring-software/#comments</comments>
		<pubDate>Thu, 13 Aug 2009 17:47:13 +0000</pubDate>
		<dc:creator>Mike Allen</dc:creator>
				<category><![CDATA[environmental monitoring]]></category>
		<category><![CDATA[humidity monitoring]]></category>
		<category><![CDATA[temperature monitoring]]></category>
		<category><![CDATA[data center temperature]]></category>
		<category><![CDATA[detect water]]></category>
		<category><![CDATA[humidity sensing]]></category>
		<category><![CDATA[netflow]]></category>
		<category><![CDATA[sflow]]></category>
		<category><![CDATA[smoke sensor]]></category>
		<category><![CDATA[SNMP]]></category>
		<category><![CDATA[temperature monitoring probes]]></category>
		<category><![CDATA[temperature monitoring software]]></category>

		<guid isPermaLink="false">http://www.ravica.com/blog/?p=387</guid>
		<description><![CDATA[Our data center temperature gets hot. We have loads of switches, routers and servers, and the heat produced can be substantial. We have software to report on sFlow, NetFlow, SNMP, syslogs, traps, etc., and of course we have temperature monitoring software as well. In the palm of my hand We obviously use our temperature monitoring [...]]]></description>
			<content:encoded><![CDATA[<p>Our data center temperature gets hot. We have loads of switches, routers and servers, and the heat produced can be substantial. We have software to report on sFlow, <a title="Cisco NetFlow monitoring software" href="http://www.plixer.com/products/scrutinizer.php">NetFlow</a>, SNMP, syslogs, traps, etc., and of course we have temperature monitoring software as well.</p>
<p><strong>In the palm of my hand</strong><br />
We obviously use our temperature monitoring probes, which also take care of humidity monitoring. Look how small these things are:</p>
<p style="text-align: center;"><a href="http://www.ravica.com/blog/wp-content/uploads/2009/08/bitSightPalm.jpg" target="_blank"><img class="alignnone size-full wp-image-388" style="border: 0pt none;" title="BitSight2 fits in the palm of your hand" src="http://www.ravica.com/blog/wp-content/uploads/2009/08/bitSightPalm.jpg" alt="BitSight2 fits in the palm of your hand" width="475" height="340" /></a></p>
<p>Since the one probe can do both temperature and humidity sensing, the second port can be used to detect water, smoke, or any of our other <a title="intelligent sensors monitor more than just temp and humidity" href="http://www.ravica.com/products/index.php">environmental monitoring sensors</a>.</p>
<p><strong>No temperature monitoring program needed</strong><br />
This little device has a web server built in, so you can hit it with an IE or FireFox web browser. The unit is self contained, and prices start at $250. It also supports SNMP. Check out the live environmental monitoring demos:</p>
<p><a title="BitSight2 product demonstration" href="http://bs2-1.ravica.com/">BitSight2 Demo</a> &#8211; Password=&#8221;ravica&#8221;<br />
<a title="SecurityProbe product demonstration" href="http://cp8-1.ravica.com/guest.php">SecurityProbe Demo</a> &#8211; No password required</p>
<p style="text-align: center;"><a href="http://www.ravica.com/blog/wp-content/uploads/2009/08/bitSightInterface.jpg" target="_blank"><img class="alignnone size-full wp-image-389" style="border: 0pt none;" title="BitSight2 user interface" src="http://www.ravica.com/blog/wp-content/uploads/2009/08/bitSightInterface.jpg" alt="BitSight2 user interface" width="446" height="514" /></a></p>
<p>This is really cool stuff at a great value. Call <a title="environmental monitoring solutions" href="http://www.ravica.com/">ravica.com</a> about these at (207) 324-8173.</p>
<p>- Mike</p>
]]></content:encoded>
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		</item>
		<item>
		<title>Ideal temperature and humidity for a data room</title>
		<link>http://www.ravica.com/blog/environmental-monitoring/ideal-temperature-and-humidity-for-a-data-room/</link>
		<comments>http://www.ravica.com/blog/environmental-monitoring/ideal-temperature-and-humidity-for-a-data-room/#comments</comments>
		<pubDate>Thu, 30 Jul 2009 19:59:12 +0000</pubDate>
		<dc:creator>Mike Allen</dc:creator>
				<category><![CDATA[environmental monitoring]]></category>
		<category><![CDATA[temperature monitoring]]></category>
		<category><![CDATA[Denika]]></category>
		<category><![CDATA[MRTG]]></category>
		<category><![CDATA[SNMP]]></category>
		<category><![CDATA[temperature trends]]></category>

		<guid isPermaLink="false">http://www.ravica.com/blog/?p=312</guid>
		<description><![CDATA[I was talking to my friend Chuck the other day about how cold it was in our office and joking about how the computers probably like it. The fluctuations we are seeing back in June was pretty wild. I emailed him the SNMP trends that we maintain of humidity and temperature. Ravica&#8217;s environmental probes support [...]]]></description>
			<content:encoded><![CDATA[<p>I was talking to my friend Chuck the other day about how cold it was in our office and joking about how the computers probably like it. The fluctuations we are seeing back in June was pretty wild. I emailed him the SNMP trends that we maintain of humidity and temperature.</p>
<p style="text-align: center;"><a href="http://www.ravica.com/blog/wp-content/uploads/2009/07/plixerHumiditytrend.jpg" target="_blank"><img class="alignnone size-full wp-image-313" style="border: 0pt none;" title="Plixer Humidity trend" src="http://www.ravica.com/blog/wp-content/uploads/2009/07/plixerHumiditytrend.jpg" alt="Plixer Humidity trend" width="434" height="194" /></a></p>
<p>Ravica&#8217;s <a title="environmental monitoring solution" href="http://www.ravica.com">environmental probes</a> support <a title="trend environmental details" href="http://en.wikipedia.org/wiki/Simple_Network_Management_Protocol">SNMP</a>. To make sure we stay on top of our data center cooling. There is an OID available to gather the sensor measurements such as smoke, water, voltage, etc.</p>
<blockquote><p>&#8220;Humidity is directly related to the temperature, so monitoring temperature and humidity together is critical. Keeping your data center or IDF closet humidity levels between 45% and 55% is recommended. While maintaining an ambient temperature range of 68° to 75°F (20° to 24°C) is optimal for system reliability.&#8221;</p></blockquote>
<p><a href="http://www.ravica.com/blog/wp-content/uploads/2009/07/Chuck-Cahoon.jpg" target="_blank"><img class="size-full wp-image-315 alignleft" style="border: 0pt none;" title="Chuck Cahoon" src="http://www.ravica.com/blog/wp-content/uploads/2009/07/Chuck-Cahoon.jpg" alt="Chuck Cahoon" width="110" height="168" /></a>Chuck Cahoon<br />
Solutions Architect &#8211; CDW<br />
Cisco Systems CCIE# 15255<br />
E-mail: <a title="email Chuck Cahoon" href="mailto:chuck.cahoon@cdw.com">chuck.cahoon@cdw.com</a></p>
<p>Since they support SNMP, you can use <a title="Multi Router Traffic Grapher" href="http://www.mrtg.org">MRTG</a>, <a title="SNMP monitoring software" href="http://www.plixer.com/products/denika.php">Denika Performance Trender</a> or other programs to gather it.  Check out this Denika humidity trend graph we created by polling the SNMP OID on the BitSight:<br />
<br style="clear:both;" /></p>
<p style="text-align: center;"><a href="http://www.ravica.com/blog/wp-content/uploads/2009/07/plixerHumidityDenikaTrend.jpg" target="_blank"><img class="alignnone size-full wp-image-314" style="border: 0pt none;" title="Humidity Denika Trend" src="http://www.ravica.com/blog/wp-content/uploads/2009/07/plixerHumidityDenikaTrend.jpg" alt="Humidity Denika Trend" width="450" height="207" /></a></p>
<p><span style="font-family: 'Arial','sans-serif'; color: #202020; font-size: 9pt;">Notice  above that you can highlight any spike and drill in for greater detail.   <a title="purchase Ravica environmental monitoring gear" href="http://www.ravica.com/store/index.php">Check  it out</a>, they cost about $250.00. </span></p>
<p><span style="font-family: 'Arial','sans-serif'; color: #202020; font-size: 9pt;">- Mike<br />
</span></p>
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		</item>
		<item>
		<title>SNMP pollable temperature and humidity probes</title>
		<link>http://www.ravica.com/blog/sensorprobes/snmp-pollable-temperature-and-humidity-probes/</link>
		<comments>http://www.ravica.com/blog/sensorprobes/snmp-pollable-temperature-and-humidity-probes/#comments</comments>
		<pubDate>Thu, 11 Jun 2009 17:18:52 +0000</pubDate>
		<dc:creator>Mike Allen</dc:creator>
				<category><![CDATA[Data Center]]></category>
		<category><![CDATA[environmental monitoring]]></category>
		<category><![CDATA[Intelligent Sensors]]></category>
		<category><![CDATA[SensorProbes]]></category>
		<category><![CDATA[temperature monitoring]]></category>
		<category><![CDATA[Denika Performance Trender]]></category>
		<category><![CDATA[humidity graphs]]></category>
		<category><![CDATA[humidity monitoring]]></category>
		<category><![CDATA[MRTG]]></category>
		<category><![CDATA[SNMP]]></category>
		<category><![CDATA[temperature graphs]]></category>

		<guid isPermaLink="false">http://www.ravica.com/blog/?p=177</guid>
		<description><![CDATA[Viewing trends of environmental conditions can be very helpful. The BitSight comes with its own graphical trends for displaying temperature, humidity, etc. over time. Did you know that these appliances support SNMP and that there is an OID available to gather the sensor measurements? Well, there is and you can use MRTG, Denika or other [...]]]></description>
			<content:encoded><![CDATA[<p>Viewing trends of environmental conditions can be very helpful. The BitSight comes with its own graphical trends for <a title="view temperature and humidity trends" href="http://www.ravica.com/products/is_humid.php">displaying temperature, humidity</a>, etc. over time.</p>
<p style="text-align: center;"><a href="http://www.ravica.com/blog/wp-content/uploads/2009/06/ravicahumiditytrend.jpg" target="_blank"><img class="alignnone size-full wp-image-178" style="border: 0pt none;" title="ravica humidity trend" src="http://www.ravica.com/blog/wp-content/uploads/2009/06/ravicahumiditytrend.jpg" alt="ravica humidity trend" width="434" height="194" /></a></p>
<p>Did you know that these appliances support <a title="simple network management protocol" href="http://en.wikipedia.org/wiki/Simple_Network_Management_Protocol">SNMP</a> and that there is an OID available to gather the sensor measurements?  Well, there is and you can use MRTG, Denika or other programs to gather it. Check out this Denika humidity trend graph we created by polling the SNMP OID on the BitSight:</p>
<p><a title="SNMP polling engine" href="http://www.mrtg.com">MRTG (Multi-Router Traffic Grapher)</a><br />
<a title="SNMP monitoring" href="http://www.plixer.com/products/denika.php">Denika Performance Trender</a></p>
<p style="text-align: center;"><a href="http://www.ravica.com/blog/wp-content/uploads/2009/06/ravicahumiditydenikatrend.jpg" target="_blank"><img class="alignnone size-full wp-image-179" style="border: 0pt none;" title="ravica humidity denika trend" src="http://www.ravica.com/blog/wp-content/uploads/2009/06/ravicahumiditydenikatrend.jpg" alt="ravica humidity denika trend" width="467" height="215" /></a></p>
<p>Notice above that you can highlight any spike and drill in for greater detail.</p>
<p>- Mike</p>
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