jSerialComm Library JAVA Projects

The com.fazecast.jSerialComm.SerialPort library in Java is a popular tool for working with serial communication. To listen for a response on a serial port, you’ll need to set up a serial port connection, configure it properly, and then continuously check for incoming data or use event-based mechanisms to listen for responses. Here’s a step-by-step guide to […]

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Reset Cisco CP-7841 Factory Reset

Step 1   Unplug the phone’s LAN cable. Step 2   Wait 5 seconds. Step 3   Press and hold # button while plugging the phone back in. Step 4   Release the # button when the light on the handset blinks red 2 times Step 5 Press 123456789*0# in sequence.After you press these buttons, the phone goes through the factory reset process.If you press the buttons […]

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Reset a Cisco 2900 Series Router

How to Reset First pull in a serial cable pull the compact flash card from slot 0 (you may also need to remove slot 1) Turn on the router you will see the following until the router shows rommon> Readonly ROMMON initializedCompact Flash0: Not present All that’s then required to is type the following command […]

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