August 2, 2013 by James

Monitoring and graphing signal strength on a Wavecom serial GSM modem using perl and cacti.

Todays problem: Frequent errors and dropouts on a Wavecom 900E GSM modem we use to send SMS alerts to our engineering team.  Following on from  a spell of frustrating problems with one of our alerting systems I decided to see if I could graph the received signal strength on our GSM modem to determine if that…

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