Following an industry best practice, PTCI has selected different RTUs to handle different types of sites. This avoids either running out of capacity or paying too much for an "overkill" solution.
"We use the NetGuardian 480 at our COs and then NetGuardian M16s at our cell sites," explains Ed Reust, Mobile Telephone Radio Technician. "And then we have a NetGuardian 832A G4 in our Genband C15."
To collect all of the data from each remote NetGuardian, PTCI uses a T/Mon master station. "We just upgraded to the T/Mon LNX," Reust says.
That upgrade was driven by planned future enhancements to monitoring at PTCI.
|Jason Kueffler |
Broadband Network Technician
|Ed Reust |
Mobile Telephone Radio Technician
|Rahlon Burson |
Networking & Switching Services Technician
According to Rahlon Burson, Networking & Switching Services Technician, "we upgraded to the LNX because we're going to add SNMP." Although T/Mon has long supported SNMP protocol, the PTCI team was looking forward to using the web interface and built-in device modules on the new LNX to configure SNMP devices quickly.
"The system lets us know instantly when there's a problem with some equipment," Kueffler says. "Especially power outages, door opens, air conditioner fails at COs, and generators running. If it's something that's unexpected, we can get somebody there to fix it. In some cases, if it's a power outage, we'll make a note of it and give it 15 or 20 minutes to let the power company restore service. Typically, power outages are just momentary blips. Otherwise, we'll call it in and report it."
Detecting failures immediately means that PTCI can deliver more reliable service to its customers at a lower cost. But reducing unpleasant surprises has personal benefits for the team as well.
"Without our monitoring, you'd have the five of us scrambling nonstop, which means we'd have less time at home." Reust explains. "We wouldn't know exactly what the problem is and be able to manage our manpower. As spread out as we are, as far as cell sites especially, that just wouldn't work."
As part of their upcoming T/Mon upgrade, Kueffler, Reust, and Burson visited Fresno headquarters for 4 days of factory training. The course covered both NetGuardian RTUs and the new T/Mon LNX web interface.
"Training was great," Kueffler says. "It kind of balances out stuff I've already been exposed to while working with the previous DPS T/Mon system."
"It was good getting exposed to making some changes in our existing T/Mon," Kueffler continues. "When we change on-call, and the person who normally does it is out of the office, we need to change the T/Mon notification schedule. It's just some simple stuff, but when you navigate into it after coming to class, now you'll understand it."
Before PTCI switched to NetGuardian RTUs, they had been using older DPS remotes called KDAs. That switch was driven not by RTU failure but rather a changing world. Any piece of communications equipment will eventually be incompatible with technology that didn't exist before.
"Probably the only reason that we replaced the KDAs was that we needed to incorporate newer equipment into the monitoring process," Burson says.
Having found reliable monitoring equipment, PTCI decided to stick with the same manufacturer for the next generation of technology.
Reust says, "The reason why we went back with DPS was because the KDAs were so reliable."
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